build(deps): bump pypa/cibuildwheel from 2.23.2 to 2.23.3

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 2.23.2 to 2.23.3.
- [Release notes](https://github.com/pypa/cibuildwheel/releases)
- [Changelog](https://github.com/pypa/cibuildwheel/blob/main/docs/changelog.md)
- [Commits](https://github.com/pypa/cibuildwheel/compare/v2.23.2...v2.23.3)

---
updated-dependencies:
- dependency-name: pypa/cibuildwheel
  dependency-version: 2.23.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.appveyor.yml

@@ -1,81 +0,0 @@
-version : 2.x.{build}
-
-clone_folder: C:\Project
-
-environment:
-    global:
-        # MSVC Express 2008's setenv.cmd failes if /E:ON and /V:ON are not
-        # enabled in the batch script interpreter
-        CMD_IN_ENV: cmd /E:ON /V:ON /C .\appveyor\run_with_env.cmd
-
-    matrix:
-        # For Python versions available on Appveyor, see
-        # https://www.appveyor.com/docs/windows-images-software/#python
-      - {PY_VER: "27", PY_ARCH: "32"}
-      - {PY_VER: "27", PY_ARCH: "64"}
-      - {PY_VER: "38", PY_ARCH: "32"}
-      - {PY_VER: "38", PY_ARCH: "64"}
-      - {PY_VER: "37", PY_ARCH: "32"}
-      - {PY_VER: "37", PY_ARCH: "64"}
-      - {PY_VER: "36", PY_ARCH: "32"}
-      - {PY_VER: "36", PY_ARCH: "64"}
-      - {PY_VER: "35", PY_ARCH: "32"}
-      - {PY_VER: "35", PY_ARCH: "64"}
-      - {PY_VER: "34", PY_ARCH: "32"}
-      - {PY_VER: "34", PY_ARCH: "64"}
-
-    OPENSSL_VERSION: "1_1_1g"
-    POSTGRES_VERSION: "11_4"
-
-    PSYCOPG2_TESTDB: psycopg2_test
-    PSYCOPG2_TESTDB_USER: postgres
-    PSYCOPG2_TESTDB_HOST: localhost
-
-    PGUSER: postgres
-    PGPASSWORD: Password12!
-    PGSSLMODE: require
-
-    # Select according to the service enabled
-    POSTGRES_DIR: C:\Program Files\PostgreSQL\9.6\
-
-    # The python used in the build process, not the one packages are built for
-    PYEXE: C:\Python36\python.exe
-
-matrix:
-    fast_finish: false
-
-services:
-    # Note: if you change this service also change POSTGRES_DIR
-    - postgresql96
-
-cache:
-  # Rebuild cache if following file changes
-  # (See the file to zap the cache manually)
-  - C:\Others -> scripts\appveyor.cache_rebuild
-
-# Script called before repo cloning
-# init:
-
-# Repository gets cloned, Cache is restored
-
-install:
-    - "%PYEXE% scripts\\appveyor.py install"
-
-# PostgreSQL server starts now
-
-build: off
-
-build_script:
-    - "%PYEXE% scripts\\appveyor.py build_script"
-
-after_build:
-    - "%PYEXE% scripts\\appveyor.py after_build"
-
-before_test:
-    - "%PYEXE% scripts\\appveyor.py before_test"
-
-test_script:
-    - "%PYEXE% scripts\\appveyor.py test_script"
-
-
-# vim: set ts=4 sts=4 sw=4:

.github/ISSUE_TEMPLATE/problem-installing-psycopg2.md

@@ -0,0 +1,23 @@
+---
+name: Problem installing psycopg2
+about: Report a case in which psycopg2 failed to install on your platform
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**This is a bug tracker**
+If you have a question, such has "how do you do X with Python/PostgreSQL/psycopg2" please [write to the mailing list](https://lists.postgresql.org/manage/) or [open a question](https://github.com/psycopg/psycopg2/discussions) instead.
+
+**Before opening this ticket, please confirm that:**
+- [ ] I am running the latest version of pip, i.e. typing ``pip --version`` you get [this version](https://pypi.org/project/pip/).
+- [ ] I have read the [installation documentation](https://www.psycopg.org/docs/install.html) and the [frequently asked questions](https://www.psycopg.org/docs/faq.html)
+- [ ] If install failed, I typed `pg_config` on the command line and I obtained an output instead of an error.
+
+**Please complete the following information:**
+- OS:
+- Psycopg version:
+- Python version:
+- PostgreSQL version:
+- pip version

.github/ISSUE_TEMPLATE/problem-using-psycopg2.md

@@ -0,0 +1,27 @@
+---
+name: Problem using psycopg2
+about: Report a case in which psycopg2 is not working as expected
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**This is a bug tracker**
+If you have a question, such has "how do you do X with Python/PostgreSQL/psycopg2" please [write to the mailing list](https://lists.postgresql.org/manage/) or [open a question](https://github.com/psycopg/psycopg2/discussions) instead.
+
+**Please complete the following information:**
+- OS:
+- Psycopg version:
+- Python version:
+- PostgreSQL version:
+- pip version
+
+**Describe the bug**
+Please let us know:
+
+1: what you did
+2: what you expected to happen
+3: what happened instead
+
+If possible, provide a script reproducing the issue.

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/docs.yml

@@ -0,0 +1,18 @@
+name: Build documentation
+
+on:
+  push:
+    branches:
+      # This should match the DOC_BRANCH value in the psycopg-website Makefile
+      - master
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger docs build
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          repository: psycopg/psycopg-website
+          event-type: psycopg2-commit
+          token: ${{ secrets.ACCESS_TOKEN }}

.github/workflows/packages.yml

@@ -0,0 +1,266 @@
+---
+name: Build packages
+on:
+  - workflow_dispatch
+
+env:
+  PIP_BREAK_SYSTEM_PACKAGES: "1"
+  LIBPQ_VERSION: "16.0"
+  OPENSSL_VERSION: "1.1.1w"
+
+jobs:
+  sdist:  # {{{
+    if: true
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - package_name: psycopg2
+          - package_name: psycopg2-binary
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repos
+        uses: actions/checkout@v4
+
+      - name: Build sdist
+        run: ./scripts/build/build_sdist.sh
+        env:
+          PACKAGE_NAME: ${{ matrix.package_name }}
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: sdist-${{ matrix.package_name }}
+          path: |
+            dist/*.tar.gz
+
+    env:
+      PSYCOPG2_TESTDB: postgres
+      PSYCOPG2_TESTDB_HOST: 172.17.0.1
+      PSYCOPG2_TESTDB_USER: postgres
+      PSYCOPG2_TESTDB_PASSWORD: password
+      PSYCOPG2_TEST_FAST: 1
+
+    services:
+      postgresql:
+        image: postgres:16
+        env:
+          POSTGRES_PASSWORD: password
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+  # }}}
+
+  linux:  # {{{
+    if: true
+
+    strategy:
+      fail-fast: false
+      matrix:
+        platform: [manylinux, musllinux]
+        arch: [x86_64, i686, aarch64, ppc64le]
+        pyver: [cp38, cp39, cp310, cp311, cp312, cp313]
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repos
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU for multi-arch build
+        uses: docker/setup-qemu-action@v3
+
+      - name: Cache libpq build
+        uses: actions/cache@v4
+        with:
+          path: /tmp/libpq.build
+          key: libpq-${{ env.LIBPQ_VERSION }}-${{ matrix.platform }}-${{ matrix.arch }}
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.23.3
+        env:
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
+          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
+          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
+          CIBW_MANYLINUX_PPC64LE_IMAGE: manylinux2014
+          CIBW_BUILD: ${{matrix.pyver}}-${{matrix.platform}}_${{matrix.arch}}
+          CIBW_ARCHS_LINUX: auto aarch64 ppc64le
+          CIBW_BEFORE_ALL_LINUX: ./scripts/build/wheel_linux_before_all.sh
+          CIBW_REPAIR_WHEEL_COMMAND: >-
+            ./scripts/build/strip_wheel.sh {wheel}
+            && auditwheel repair -w {dest_dir} {wheel}
+          CIBW_TEST_COMMAND: >-
+            export PYTHONPATH={project} &&
+            python -c "import tests; tests.unittest.main(defaultTest='tests.test_suite')"
+          CIBW_ENVIRONMENT_PASS_LINUX: LIBPQ_VERSION OPENSSL_VERSION
+          CIBW_ENVIRONMENT: >-
+            PACKAGE_NAME=psycopg2-binary
+            LIBPQ_BUILD_PREFIX=/host/tmp/libpq.build
+            PATH="$LIBPQ_BUILD_PREFIX/bin:$PATH"
+            LD_LIBRARY_PATH="$LIBPQ_BUILD_PREFIX/lib:$LIBPQ_BUILD_PREFIX/lib64"
+            PSYCOPG2_TESTDB=postgres
+            PSYCOPG2_TESTDB_HOST=172.17.0.1
+            PSYCOPG2_TESTDB_USER=postgres
+            PSYCOPG2_TESTDB_PASSWORD=password
+            PSYCOPG2_TEST_FAST=1
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: linux-${{matrix.pyver}}-${{matrix.platform}}_${{matrix.arch}}
+          path: ./wheelhouse/*.whl
+
+    services:
+      postgresql:
+        image: postgres:16
+        env:
+          POSTGRES_PASSWORD: password
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+  # }}}
+
+  macos:  # {{{
+    runs-on: macos-latest
+    if: true
+
+    strategy:
+      fail-fast: false
+      matrix:
+        # These archs require an Apple M1 runner: [arm64, universal2]
+        arch: [x86_64, arm64]
+        pyver: [cp39, cp310, cp311, cp312, cp313]
+
+    steps:
+      - name: Checkout repos
+        uses: actions/checkout@v4
+
+      - name: Cache libpq build
+        uses: actions/cache@v4
+        with:
+          path: /tmp/libpq.build
+          key: libpq-${{ env.LIBPQ_VERSION }}-macos-${{ matrix.arch }}
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.23.3
+        env:
+          CIBW_BUILD: ${{matrix.pyver}}-macosx_${{matrix.arch}}
+          CIBW_ARCHS_MACOS: ${{matrix.arch}}
+          MACOSX_ARCHITECTURE: ${{matrix.arch}}
+          CIBW_BEFORE_ALL_MACOS: ./scripts/build/wheel_macos_before_all.sh
+          CIBW_TEST_COMMAND: >-
+            export PYTHONPATH={project} &&
+            python -c "import tests; tests.unittest.main(defaultTest='tests.test_suite')"
+          CIBW_ENVIRONMENT: >-
+            PG_VERSION=16
+            PACKAGE_NAME=psycopg2-binary
+            PSYCOPG2_TESTDB=postgres
+            PATH="/tmp/libpq.build/bin:$PATH"
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: macos-${{matrix.pyver}}-macos-${{matrix.arch}}
+          path: ./wheelhouse/*.whl
+
+  # }}}
+
+  windows:  # {{{
+    runs-on: windows-latest
+    if: true
+
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [win_amd64]
+        pyver: [cp38, cp39, cp310, cp311, cp312, cp313]
+        package_name: [psycopg2, psycopg2-binary]
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      # there are some other libpq in PATH
+      - name: Drop spurious libpq in the path
+        run: rm -rf c:/tools/php C:/Strawberry/c/bin
+
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Start PostgreSQL service for test
+        run: |
+          $PgSvc = Get-Service "postgresql*"
+          Set-Service $PgSvc.Name -StartupType manual
+          $PgSvc.Start()
+        shell: powershell
+
+      - name: Export GitHub Actions cache environment variables
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const path = require('path')
+            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+            core.addPath(path.join(process.env.VCPKG_INSTALLATION_ROOT, 'installed/x64-windows-release/lib'));
+            core.addPath(path.join(process.env.VCPKG_INSTALLATION_ROOT, 'installed/x64-windows-release/bin'));
+
+      - name: Create the binary package source tree
+        run: >-
+          sed -i 's/^setup(name="psycopg2"/setup(name="${{matrix.package_name}}"/'
+          setup.py
+        if: ${{ matrix.package_name != 'psycopg2' }}
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v2.23.3
+        env:
+          VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite" # cache vcpkg
+          CIBW_BUILD: ${{matrix.pyver}}-${{matrix.arch}}
+          CIBW_ARCHS_WINDOWS: AMD64 x86
+          CIBW_BEFORE_BUILD_WINDOWS: '.\scripts\build\wheel_win32_before_build.bat'
+          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: >-
+            delvewheel repair -w {dest_dir}
+            --no-mangle "libiconv-2.dll;libwinpthread-1.dll" {wheel}
+          CIBW_TEST_COMMAND: >-
+            set PYTHONPATH={project} &&
+            python -c "import tests; tests.unittest.main(defaultTest='tests.test_suite')"
+          # Note: no fast test because we don't run Windows tests
+          CIBW_ENVIRONMENT_WINDOWS: >-
+            PSYCOPG2_TESTDB=postgres
+            PSYCOPG2_TESTDB_USER=postgres
+            PSYCOPG2_TESTDB_HOST=localhost
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-${{ matrix.package_name }}-${{matrix.pyver}}-${{matrix.arch}}
+          path: ./wheelhouse/*.whl
+
+  # }}}
+
+  merge:  # {{{
+    runs-on: ubuntu-latest
+    needs:
+      - sdist
+      - linux
+      - macos
+      - windows
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: psycopg2-artifacts
+          delete-merged: true
+
+  # }}}

.github/workflows/tests.yml

@@ -0,0 +1,79 @@
+name: Tests
+
+env:
+  PIP_BREAK_SYSTEM_PACKAGES: "1"
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    if: true
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - {python: "3.8", postgres: "12"}
+          - {python: "3.9", postgres: "13"}
+          - {python: "3.10", postgres: "14"}
+          - {python: "3.11", postgres: "15"}
+          - {python: "3.12", postgres: "16"}
+          - {python: "3.13", postgres: "17"}
+
+          # Opposite extremes of the supported Py/PG range, other architecture
+          - {python: "3.8", postgres: "17", architecture: "x86"}
+          - {python: "3.9", postgres: "16", architecture: "x86"}
+          - {python: "3.10", postgres: "15", architecture: "x86"}
+          - {python: "3.11", postgres: "14", architecture: "x86"}
+          - {python: "3.12", postgres: "13", architecture: "x86"}
+          - {python: "3.13", postgres: "12", architecture: "x86"}
+
+    env:
+      PSYCOPG2_TESTDB: postgres
+      PSYCOPG2_TESTDB_HOST: 127.0.0.1
+      PSYCOPG2_TESTDB_USER: postgres
+      PSYCOPG2_TESTDB_PASSWORD: password
+
+    services:
+      postgresql:
+        image: postgres:${{ matrix.postgres }}
+        env:
+          POSTGRES_PASSWORD: password
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v4
+
+      # Can enable to test an unreleased libpq version.
+      - name: install libpq 16
+        if: false
+        run: |
+          set -x
+          rel=$(lsb_release -c -s)
+          echo "deb http://apt.postgresql.org/pub/repos/apt ${rel}-pgdg main 16" \
+            | sudo tee -a /etc/apt/sources.list.d/pgdg.list
+          sudo apt-get -qq update
+          pqver=$(apt-cache show libpq5  | grep ^Version: | head -1 \
+            | awk '{print $2}')
+          sudo apt-get -qq -y install "libpq-dev=${pqver}" "libpq5=${pqver}"
+
+      - name: Install tox
+        run: pip install "tox < 4"
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Run tests
+        env:
+          MATRIX_PYTHON: ${{ matrix.python }}
+        run: tox -e ${MATRIX_PYTHON%-dev}
+        timeout-minutes: 5

.gitignore

@@ -6,7 +6,7 @@ MANIFEST
 *.sw[po]
 *.egg-info/
 dist/*
-build/*
+/build
 env
 env?
 .idea
@@ -14,3 +14,5 @@ env?
 .vscode/
 /rel
 /wheels
+/packages
+/wheelhouse

.travis.yml

@@ -1,38 +0,0 @@
-# Travis CI configuration file for psycopg2
-
-language: python
-
-dist: bionic
-
-arch:
-  - amd64
-  - arm64
-
-python:
-  - 3.5
-  - 3.6
-  - 3.7
-  - 3.8
-
-matrix:
-  include:
-    - python: 2.7
-
-install:
-  - sudo apt-get install -y bc
-  - pip install -U pip setuptools wheel
-  - pip install .
-  - rm -rf psycopg2.egg-info
-  - sudo scripts/travis_prepare.sh
-
-script:
-  - scripts/travis_test.sh
-
-deploy:
-  - provider: script
-    script: bash scripts/travis_update_docs.sh
-    on:
-      branch: master
-
-notifications:
-  email: false

NEWS

@@ -1,6 +1,133 @@
 Current release
 ---------------
 
+What's new in psycopg 2.9.10
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Add support for Python 3.13.
+- Receive notifications on commit (:ticket:`#1728`).
+- `~psycopg2.errorcodes` map and `~psycopg2.errors` classes updated to
+  PostgreSQL 17.
+- Drop support for Python 3.7.
+
+
+What's new in psycopg 2.9.9
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Add support for Python 3.12.
+- Drop support for Python 3.6.
+
+
+What's new in psycopg 2.9.8
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Wheel package bundled with PostgreSQL 16 libpq in order to add support for
+  recent features, such as ``sslcertmode``.
+
+
+What's new in psycopg 2.9.7
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Fix propagation of exceptions raised during module initialization
+  (:ticket:`#1598`).
+- Fix building when pg_config returns an empty string (:ticket:`#1599`).
+- Wheel package bundled with OpenSSL 1.1.1v.
+
+
+What's new in psycopg 2.9.6
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Package manylinux 2014 for aarch64 and ppc64le platforms, in order to
+  include libpq 15 in the binary package (:ticket:`#1396`).
+- Wheel package bundled with OpenSSL 1.1.1t.
+
+
+What's new in psycopg 2.9.5
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Add support for Python 3.11.
+- Add support for rowcount in MERGE statements in binary packages
+  (:ticket:`#1497`).
+- Wheel package bundled with OpenSSL 1.1.1r and PostgreSQL 15 libpq.
+
+
+What's new in psycopg 2.9.4
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Fix `~psycopg2.extras.register_composite()`,
+  `~psycopg2.extras.register_range()` with customized :sql:`search_path`
+  (:ticket:`#1487`).
+- Handle correctly composite types with names or in schemas requiring escape.
+- Find ``pg_service.conf`` file in the ``/etc/postgresql-common`` directory in
+  binary packages (:ticket:`#1365`).
+- `~psycopg2.errorcodes` map and `~psycopg2.errors` classes updated to
+  PostgreSQL 15.
+- Wheel package bundled with OpenSSL 1.1.1q and PostgreSQL 14.4 libpq.
+
+
+What's new in psycopg 2.9.3
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Alpine (musl) wheels now available (:ticket:`#1392`).
+- macOS arm64 (Apple M1) wheels now available (:ticket:`1482`).
+
+
+What's new in psycopg 2.9.2
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Raise `ValueError` for dates >= Y10k (:ticket:`#1307`).
+- `~psycopg2.errorcodes` map and `~psycopg2.errors` classes updated to
+  PostgreSQL 14.
+- Add preliminary support for Python 3.11 (:tickets:`#1376, #1386`).
+- Wheel package bundled with OpenSSL 1.1.1l and PostgreSQL 14.1 libpq
+  (:ticket:`#1388`).
+
+
+What's new in psycopg 2.9.1
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Fix regression with named `~psycopg2.sql.Placeholder` (:ticket:`#1291`).
+
+
+What's new in psycopg 2.9
+-------------------------
+
+- ``with connection`` starts a transaction on autocommit transactions too
+  (:ticket:`#941`).
+- Timezones with fractional minutes are supported on Python 3.7 and following
+  (:ticket:`#1272`).
+- Escape table and column names in `~cursor.copy_from()` and
+  `~cursor.copy_to()`.
+- Connection exceptions with sqlstate ``08XXX`` reclassified as
+  `~psycopg2.OperationalError` (a subclass of the previously used
+  `~psycopg2.DatabaseError`) (:ticket:`#1148`).
+- Include library dirs required from libpq to work around MacOS build problems
+  (:ticket:`#1200`).
+
+Other changes:
+
+- Dropped support for Python 2.7, 3.4, 3.5 (:tickets:`#1198, #1000, #1197`).
+- Dropped support for mx.DateTime.
+- Use `datetime.timezone` objects by default in datetime objects instead of
+  `~psycopg2.tz.FixedOffsetTimezone`.
+- The `psycopg2.tz` module is deprecated and scheduled to be dropped in the
+  next major release.
+- Provide :pep:`599` wheels packages (manylinux2014 tag) for i686 and x86_64
+  platforms.
+- Provide :pep:`600` wheels packages (manylinux_2_24 tag) for aarch64 and
+  ppc64le platforms.
+- Wheel package bundled with OpenSSL 1.1.1k and PostgreSQL 13.3 libpq.
+- Build system for Linux/MacOS binary packages moved to GitHub Actions.
+
+
+What's new in psycopg 2.8.7
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Accept empty params as `~psycopg2.connect()` (:ticket:`#1250`).
+- Fix attributes refcount in `Column` initialisation (:ticket:`#1252`).
+- Allow re-initialisation of static variables in the C module (:ticket:`#1267`).
+
+
 What's new in psycopg 2.8.6
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -8,12 +135,12 @@ What's new in psycopg 2.8.6
   (:ticket:`#1101`).
 - Fixed search of mxDateTime headers in virtualenvs (:ticket:`#996`).
 - Added missing values from errorcodes (:ticket:`#1133`).
-- `cursor.query` reports the query of the last :sql:`COPY` opearation too
+- `cursor.query` reports the query of the last :sql:`COPY` operation too
   (:ticket:`#1141`).
 - `~psycopg2.errorcodes` map and `~psycopg2.errors` classes updated to
   PostgreSQL 13.
 - Added wheel packages for ARM architecture (:ticket:`#1125`).
-- Wheel package compiled against OpenSSL 1.1.1g.
+- Wheel package bundled with OpenSSL 1.1.1g.
 
 
 What's new in psycopg 2.8.5
@@ -42,7 +169,7 @@ What's new in psycopg 2.8.4
   and `~psycopg2.extensions.Column.type_code` (:ticket:`#961`).
 - `~psycopg2.errorcodes` map and `~psycopg2.errors` classes updated to
   PostgreSQL 12.
-- Wheel package compiled against OpenSSL 1.1.1d and PostgreSQL at least 11.4.
+- Wheel package bundled with OpenSSL 1.1.1d and PostgreSQL at least 11.4.
 
 
 What's new in psycopg 2.8.3
@@ -131,7 +258,7 @@ Other changes:
   source files are now compatible with Python 2 & 3 as is.
 - The `!psycopg2.test` package is no longer installed by ``python setup.py
   install``.
-- Wheel package compiled against OpenSSL 1.0.2r and PostgreSQL 11.2 libpq.
+- Wheel package bundled with OpenSSL 1.0.2r and PostgreSQL 11.2 libpq.
 
 
 What's new in psycopg 2.7.7
@@ -139,14 +266,14 @@ What's new in psycopg 2.7.7
 
 - Cleanup of the cursor results assignment code, which might have solved
   double free and inconsistencies in concurrent usage (:tickets:`#346, #384`).
-- Wheel package compiled against OpenSSL 1.0.2q.
+- Wheel package bundled with OpenSSL 1.0.2q.
 
 
 What's new in psycopg 2.7.6.1
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 - Fixed binary package broken on OS X 10.12 (:ticket:`#807`).
-- Wheel package compiled against PostgreSQL 11.1 libpq.
+- Wheel package bundled with PostgreSQL 11.1 libpq.
 
 
 What's new in psycopg 2.7.6
@@ -163,7 +290,7 @@ What's new in psycopg 2.7.6
 - `~psycopg2.extras.execute_values()` accepts `~psycopg2.sql.Composable`
   objects (:ticket:`#794`).
 - `~psycopg2.errorcodes` map updated to PostgreSQL 11.
-- Wheel package compiled against PostgreSQL 10.5 libpq and OpenSSL 1.0.2p.
+- Wheel package bundled with PostgreSQL 10.5 libpq and OpenSSL 1.0.2p.
 
 
 What's new in psycopg 2.7.5
@@ -177,7 +304,7 @@ What's new in psycopg 2.7.5
 - Maybe fixed building on MSYS2 (as reported in :ticket:`#658`).
 - Allow string subclasses in connection and other places (:ticket:`#679`).
 - Don't raise an exception closing an unused named cursor (:ticket:`#716`).
-- Wheel package compiled against PostgreSQL 10.4 libpq and OpenSSL 1.0.2o.
+- Wheel package bundled with PostgreSQL 10.4 libpq and OpenSSL 1.0.2o.
 
 
 What's new in psycopg 2.7.4
@@ -199,7 +326,7 @@ What's new in psycopg 2.7.4
 - Fixed `~cursor.rowcount` after `~cursor.executemany()` with :sql:`RETURNING`
   statements (:ticket:`#633`).
 - Fixed compatibility problem with pypy3 (:ticket:`#649`).
-- Wheel packages compiled against PostgreSQL 10.1 libpq and OpenSSL 1.0.2n.
+- Wheel packages bundled with PostgreSQL 10.1 libpq and OpenSSL 1.0.2n.
 - Wheel packages for Python 2.6 no more available (support dropped from
   wheel building infrastructure).
 
@@ -207,7 +334,7 @@ What's new in psycopg 2.7.4
 What's new in psycopg 2.7.3.2
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-- Wheel package compiled against PostgreSQL 10.0 libpq and OpenSSL 1.0.2l
+- Wheel package bundled with PostgreSQL 10.0 libpq and OpenSSL 1.0.2l
   (:tickets:`#601, #602`).
 
 
@@ -280,7 +407,7 @@ New features:
   them together.
 - Added `~psycopg2.__libpq_version__` and
   `~psycopg2.extensions.libpq_version()` to inspect the version of the
-  ``libpq`` library the module was compiled/loaded with
+  ``libpq`` library the module was bundled with
   (:tickets:`#35, #323`).
 - The attributes `~connection.notices` and `~connection.notifies` can be
   customized replacing them with any object exposing an `!append()` method

README.rst

@@ -17,6 +17,18 @@ flexible objects adaptation system.
 
 Psycopg 2 is both Unicode and Python 3 friendly.
 
+.. Note::
+
+    The psycopg2 package is still widely used and actively maintained, but it
+    is not expected to receive new features.
+
+    `Psycopg 3`__ is the evolution of psycopg2 and is where `new features are
+    being developed`__: if you are starting a new project you should probably
+    start from 3!
+
+    .. __: https://pypi.org/project/psycopg/
+    .. __: https://www.psycopg.org/psycopg3/docs/index.html
+
 
 Documentation
 -------------
@@ -61,13 +73,8 @@ production it is advised to use the package built from sources.
 .. _install: https://www.psycopg.org/docs/install.html#install-from-source
 .. _faq: https://www.psycopg.org/docs/faq.html#faq-compile
 
-:Linux/OSX: |travis|
-:Windows: |appveyor|
+:Build status: |gh-actions|
 
-.. |travis| image:: https://travis-ci.org/psycopg/psycopg2.svg?branch=master
-    :target: https://travis-ci.org/psycopg/psycopg2
-    :alt: Linux and OSX build status
-
-.. |appveyor| image:: https://ci.appveyor.com/api/projects/status/github/psycopg/psycopg2?branch=master&svg=true
-    :target: https://ci.appveyor.com/project/psycopg/psycopg2/branch/master
-    :alt: Windows build status
+.. |gh-actions| image:: https://github.com/psycopg/psycopg2/actions/workflows/tests.yml/badge.svg
+    :target: https://github.com/psycopg/psycopg2/actions/workflows/tests.yml
+    :alt: Build status

doc/COPYING.LESSER

@@ -1,7 +1,7 @@
 		   GNU LESSER GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 

doc/Makefile

@@ -8,7 +8,7 @@ check: doctest
 # It is not clean by 'make clean'
 
 PYTHON := python$(PYTHON_VERSION)
-PYTHON_VERSION ?= $(shell $(PYTHON) -c 'import sys; print ("%d.%d" % sys.version_info[:2])')
+PYTHON_VERSION ?= $(shell $(PYTHON) -c 'import sys; print("%d.%d" % sys.version_info[:2])')
 BUILD_DIR = $(shell pwd)/../build/lib.$(PYTHON_VERSION)
 
 SPHINXBUILD ?= $$(pwd)/env/bin/sphinx-build
@@ -19,7 +19,7 @@ html: package src/sqlstate_errors.rst
 	cp -r src/_build/html .
 
 src/sqlstate_errors.rst: ../psycopg/sqlstate_errors.h $(BUILD_DIR)
-	env/bin/python src/tools/make_sqlstate_docs.py $< > $@
+	./env/bin/python src/tools/make_sqlstate_docs.py $< > $@
 
 $(BUILD_DIR):
 	$(MAKE) PYTHON=$(PYTHON) -C .. package
@@ -33,7 +33,7 @@ clean:
 	rm -rf html src/sqlstate_errors.rst
 
 env: requirements.txt
-	virtualenv -p $(PYTHON) env
+	$(PYTHON) -m venv env
 	./env/bin/pip install -r requirements.txt
 	echo "$$(pwd)/../build/lib.$(PYTHON_VERSION)" \
 		> env/lib/python$(PYTHON_VERSION)/site-packages/psycopg.pth

doc/release.rst

@@ -15,28 +15,16 @@ How to make a psycopg2 release
 
     $ export VERSION=2.8.4
 
-- In the `Travis settings`__ you may want to be sure that the variables
-  ``TEST_PAST`` and ``TEST_FUTURE`` are set to 1 to check all
-  the supported postgres version.
+- Push psycopg2 to master or to the maint branch. Make sure tests on `GitHub
+  Actions`__.
 
-.. __: https://travis-ci.org/psycopg/psycopg2/settings
-
-- Push psycopg2 to master or to the maint branch. Make sure tests on Travis__
-  and AppVeyor__ pass.
-
-.. __: https://travis-ci.org/psycopg/psycopg2
-.. __: https://ci.appveyor.com/project/psycopg/psycopg2
-
-- For an extra test merge or rebase the `test_i686`__ branch on the commit to
-  release and push it too: this will test with Python 32 bits and debug
-  versions.
-
-.. __: https://github.com/psycopg/psycopg2/tree/test_i686
+.. __: https://github.com/psycopg/psycopg2/actions/workflows/tests.yml
 
 - Create a signed tag with the content of the relevant NEWS bit and push it.
   E.g.::
 
-    $ git tag -a -s 2_8_4
+    # Tag name will be 2_8_4
+    $ git tag -a -s ${VERSION//\./_}
 
     Psycopg 2.8.4 released
 
@@ -48,34 +36,18 @@ How to make a psycopg2 release
     - Fixed bug blah (:ticket:`#42`).
     ...
 
-- Update the `psycopg2-wheels`_ submodule to the tag version and push. This
-  will build the packages on `Travis CI`__ and `AppVeyor`__ and upload them to
-  https://upload.psycopg.org/.
+- Create the packages:
 
-.. _psycopg2-wheels: https://github.com/psycopg/psycopg2-wheels
-.. __: https://travis-ci.org/psycopg/psycopg2-wheels
-.. __: https://ci.appveyor.com/project/psycopg/psycopg2-wheels
+  - On GitHub Actions run manually a `package build workflow`__.
 
-- Download the packages generated (this assumes ssh configured properly)::
+.. __: https://github.com/psycopg/psycopg2/actions/workflows/packages.yml
 
-    $ rsync -arv psycopg-upload:psycopg2-${VERSION} .
+- When the workflows have finished download the packages from the job
+  artifacts.
 
-- Sign the packages and upload the signatures back::
+- Only for stable packages: upload the signed packages on PyPI::
 
-    $ for f in psycopg2-${VERSION}/*.{exe,tar.gz,whl}; do \
-        gpg --armor --detach-sign $f;
-      done
-
-    $ rsync -arv psycopg2-${VERSION} psycopg-upload:
-
-- Remove the ``.exe`` from the dir, because we don't want to upload them on
-  PyPI::
-
-    $ rm -v psycopg2-${VERSION}/*.exe{,.asc}
-
-- Only for stable packages: upload the packages and signatures on PyPI::
-
-    $ twine upload psycopg2-${VERSION}/*
+    $ twine upload -s wheelhouse/psycopg2-${VERSION}/*
 
 - Create a release and release notes in the psycopg website, announce to
   psycopg and pgsql-announce mailing lists.
@@ -88,7 +60,7 @@ Releasing test packages
 
 Test packages may be uploaded on the `PyPI testing site`__ using::
 
-    $ twine upload -r testpypi psycopg2-${VERSION}/*
+    $ twine upload -s -r testpypi wheelhouse/psycopg2-${VERSION}/*
 
 assuming `proper configuration`__ of ``~/.pypirc``.
 

doc/requirements.in

@@ -0,0 +1,2 @@
+Sphinx
+sphinx-better-theme

doc/requirements.txt

@@ -1,8 +1,50 @@
-# Packages only needed to build the docs
-Pygments>=2.2,<2.3
-Sphinx>=1.6,<=1.7
-sphinx-better-theme>=0.1.5,<0.2
-
-# 0.15.2 affected by https://sourceforge.net/p/docutils/bugs/353/
-# Can update to 0.16 after release (currently in rc) but must update Sphinx too
-docutils<0.15
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile requirements.in
+#
+alabaster==0.7.13
+    # via sphinx
+babel==2.12.1
+    # via sphinx
+certifi>=2023.7.22
+    # via requests
+charset-normalizer==3.1.0
+    # via requests
+docutils==0.19
+    # via sphinx
+idna==3.4
+    # via requests
+imagesize==1.4.1
+    # via sphinx
+jinja2==3.1.2
+    # via sphinx
+markupsafe==2.1.2
+    # via jinja2
+packaging==23.1
+    # via sphinx
+pygments==2.15.0
+    # via sphinx
+requests==2.31.0
+    # via sphinx
+snowballstemmer==2.2.0
+    # via sphinx
+sphinx==6.1.3
+    # via -r requirements.in
+sphinx-better-theme==0.1.5
+    # via -r requirements.in
+sphinxcontrib-applehelp==1.0.4
+    # via sphinx
+sphinxcontrib-devhelp==1.0.2
+    # via sphinx
+sphinxcontrib-htmlhelp==2.0.1
+    # via sphinx
+sphinxcontrib-jsmath==1.0.1
+    # via sphinx
+sphinxcontrib-qthelp==1.0.3
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.5
+    # via sphinx
+urllib3==1.26.17
+    # via requests

doc/src/advanced.rst

@@ -226,7 +226,7 @@ read:
 
     >>> cur.execute("SELECT '(10.2,20.3)'::point")
     >>> point = cur.fetchone()[0]
-    >>> print type(point), point.x, point.y
+    >>> print(type(point), point.x, point.y)
     <class 'Point'> 10.2 20.3
 
 A typecaster created by `!new_type()` can be also used with
@@ -284,15 +284,15 @@ something to read::
     curs = conn.cursor()
     curs.execute("LISTEN test;")
 
-    print "Waiting for notifications on channel 'test'"
+    print("Waiting for notifications on channel 'test'")
     while True:
         if select.select([conn],[],[],5) == ([],[],[]):
-            print "Timeout"
+            print("Timeout")
         else:
             conn.poll()
             while conn.notifies:
                 notify = conn.notifies.pop(0)
-                print "Got NOTIFY:", notify.pid, notify.channel, notify.payload
+                print("Got NOTIFY:", notify.pid, notify.channel, notify.payload)
 
 Running the script and executing a command such as :sql:`NOTIFY test, 'hello'`
 in a separate :program:`psql` shell, the output may look similar to:

doc/src/conf.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # Psycopg documentation build configuration file, created by
 # sphinx-quickstart on Sun Feb  7 13:48:41 2010.
@@ -48,9 +47,9 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Psycopg'
+project = 'Psycopg'
 copyright = (
-    u'2001-2020, Federico Di Gregorio, Daniele Varrazzo, The Psycopg Team'
+    '2001-2021, Federico Di Gregorio, Daniele Varrazzo, The Psycopg Team'
 )
 
 # The version info for the project you're documenting, acts as replacement for
@@ -129,8 +128,6 @@ rst_epilog = """
 .. _transaction isolation level:
     https://www.postgresql.org/docs/current/static/transaction-iso.html
 
-.. _mx.DateTime: https://www.egenix.com/products/python/mxBase/mxDateTime/
-
 .. |MVCC| replace:: :abbr:`MVCC (Multiversion concurrency control)`
 """
 
@@ -235,8 +232,8 @@ latex_documents = [
     (
         'index',
         'psycopg.tex',
-        u'Psycopg Documentation',
-        u'Federico Di Gregorio',
+        'Psycopg Documentation',
+        'Federico Di Gregorio',
         'manual',
     )
 ]
@@ -258,6 +255,7 @@ latex_documents = [
 # If false, no module index is generated.
 # latex_use_modindex = True
 
+toc_object_entries = False
 
 doctest_global_setup = """
 

doc/src/cursor.rst

@@ -124,7 +124,7 @@ The ``cursor`` class
     .. attribute:: name
 
         Read-only attribute containing the name of the cursor if it was
-        creates as named cursor by `connection.cursor()`, or `!None` if
+        created as named cursor by `connection.cursor()`, or `!None` if
         it is a client side cursor.  See :ref:`server-side-cursors`.
 
         .. extension::
@@ -208,6 +208,14 @@ The ``cursor`` class
         Parameters are bounded to the query using the same rules described in
         the `~cursor.execute()` method.
 
+        .. code:: python
+
+            >>> nums = ((1,), (5,), (10,))
+            >>> cur.executemany("INSERT INTO test (num) VALUES (%s)", nums)
+
+            >>> tuples = ((123, "foo"), (42, "bar"), (23, "baz"))
+            >>> cur.executemany("INSERT INTO test (num, data) VALUES (%s, %s)", tuples)
+
         .. warning::
             In its current implementation this method is not faster than
             executing `~cursor.execute()` in a loop. For better performance
@@ -232,6 +240,16 @@ The ``cursor`` class
         .. versionchanged:: 2.7
           added support for named arguments.
 
+        .. note::
+
+            `!callproc()` can only be used with PostgreSQL functions__, not
+            with the procedures__ introduced in PostgreSQL 11, which require
+            the :sql:`CALL` statement to run. Please use a normal
+            `execute()` to run them.
+
+            .. __: https://www.postgresql.org/docs/current/sql-createfunction.html
+            .. __: https://www.postgresql.org/docs/current/sql-createprocedure.html
+
     .. method:: mogrify(operation [, parameters])
 
         Return a query string after arguments binding. The string returned is
@@ -274,7 +292,7 @@ The ``cursor`` class
 
             >>> cur.execute("SELECT * FROM test;")
             >>> for record in cur:
-            ...     print record
+            ...     print(record)
             ...
             (1, 100, "abc'def")
             (2, None, 'dada')
@@ -498,8 +516,10 @@ The ``cursor`` class
 
         The time zone factory used to handle data types such as
         :sql:`TIMESTAMP WITH TIME ZONE`.  It should be a `~datetime.tzinfo`
-        object.  A few implementations are available in the `psycopg2.tz`
-        module.
+        object.  Default is `datetime.timezone`.
+
+        .. versionchanged:: 2.9
+            previosly the default factory was `psycopg2.tz.FixedOffsetTimezone`.
 
 
     .. method:: nextset()
@@ -550,13 +570,6 @@ The ``cursor`` class
             >>> cur.fetchall()
             [(6, 42, 'foo'), (7, 74, 'bar')]
 
-        .. note:: the name of the table is not quoted: if the table name
-            contains uppercase letters or special characters it must be quoted
-            with double quotes::
-
-                cur.copy_from(f, '"TABLE"')
-
-
         .. versionchanged:: 2.0.6
             added the *columns* parameter.
 
@@ -565,6 +578,11 @@ The ``cursor`` class
             are encoded in the connection `~connection.encoding` when sent to
             the backend.
 
+        .. versionchanged:: 2.9
+            the table and fields names are now quoted. If you need to specify
+            a schema-qualified table please use `copy_expert()`.
+
+
     .. method:: copy_to(file, table, sep='\\t', null='\\\\N', columns=None)
 
         Write the content of the table named *table* *to* the file-like
@@ -586,12 +604,6 @@ The ``cursor`` class
             2|\N|dada
             ...
 
-        .. note:: the name of the table is not quoted: if the table name
-            contains uppercase letters or special characters it must be quoted
-            with double quotes::
-
-                cur.copy_to(f, '"TABLE"')
-
         .. versionchanged:: 2.0.6
             added the *columns* parameter.
 
@@ -600,6 +612,10 @@ The ``cursor`` class
             are decoded in the connection `~connection.encoding` when read
             from the backend.
 
+        .. versionchanged:: 2.9
+            the table and fields names are now quoted. If you need to specify
+            a schema-qualified table please use `copy_expert()`.
+
 
     .. method:: copy_expert(sql, file, size=8192)
 

doc/src/errorcodes.rst

@@ -50,7 +50,7 @@ An example of the available constants defined in the module:
     '42P01'
 
 Constants representing all the error values defined by PostgreSQL versions
-between 8.1 and 13 are included in the module.
+between 8.1 and 15 are included in the module.
 
 
 .. autofunction:: lookup(code)

doc/src/errors.rst

@@ -14,11 +14,17 @@
 
 .. versionchanged:: 2.8.6 added errors introduced in PostgreSQL 13
 
+.. versionchanged:: 2.9.2 added errors introduced in PostgreSQL 14
+
+.. versionchanged:: 2.9.4 added errors introduced in PostgreSQL 15
+
+.. versionchanged:: 2.9.10 added errors introduced in PostgreSQL 17
+
 This module exposes the classes psycopg raises upon receiving an error from
 the database with a :sql:`SQLSTATE` value attached (available in the
 `~psycopg2.Error.pgcode` attribute). The content of the module is generated
 from the PostgreSQL source code and includes classes for every error defined
-by PostgreSQL in versions between 9.1 and 13.
+by PostgreSQL in versions between 9.1 and 15.
 
 Every class in the module is named after what referred as "condition name" `in
 the documentation`__, converted to CamelCase: e.g. the error 22012,

doc/src/extensions.rst

@@ -453,13 +453,6 @@ deal with Python objects adaptation:
 
         Specialized adapters for Python datetime objects.
 
-.. class:: DateFromMx
-           TimeFromMx
-           TimestampFromMx
-           IntervalFromMx
-
-        Specialized adapters for `mx.DateTime`_ objects.
-
 .. data:: adapters
 
     Dictionary of the currently registered object adapters.  Use
@@ -1004,20 +997,6 @@ from the database.  See :ref:`unicode-handling` for details.
     Typecasters to convert time-related data types to Python `!datetime`
     objects.
 
-.. data:: MXDATE
-          MXDATETIME
-          MXDATETIMETZ
-          MXINTERVAL
-          MXTIME
-          MXDATEARRAY
-          MXDATETIMEARRAY
-          MXDATETIMETZARRAY
-          MXINTERVALARRAY
-          MXTIMEARRAY
-
-    Typecasters to convert time-related data types to `mx.DateTime`_ objects.
-    Only available if Psycopg was compiled with `!mx` support.
-
 .. versionchanged:: 2.2
         previously the `DECIMAL` typecaster and the specific time-related
         typecasters (`!PY*` and `!MX*`) were not exposed by the `extensions`

doc/src/extras.rst

@@ -445,7 +445,9 @@ The individual messages in the replication stream are represented by
         If the *reply* or *force* parameters are not set, this method will
         just update internal structures without sending the feedback message
         to the server. The library sends feedback message automatically
-        when *status_interval* timeout is reached.
+        when *status_interval* timeout is reached. For this to work, you must
+        call `send_feedback()` on the same Cursor that you called `start_replication()`
+        on (the one in `message.cursor`) or your feedback will be lost.
 
         .. versionchanged:: 2.8.3
             added the *force* parameter.
@@ -1027,6 +1029,14 @@ parameters.  By reducing the number of server roundtrips the performance can be
 
 .. autofunction:: execute_batch
 
+    .. code:: python
+
+        >>> nums = ((1,), (5,), (10,))
+        >>> execute_batch(cur, "INSERT INTO test (num) VALUES (%s)", nums)
+
+        >>> tuples = ((123, "foo"), (42, "bar"), (23, "baz"))
+        >>> execute_batch(cur, "INSERT INTO test (num, data) VALUES (%s, %s)", tuples)
+
     .. versionadded:: 2.7
 
 .. note::

doc/src/faq.rst

@@ -180,7 +180,7 @@ Psycopg automatically converts PostgreSQL :sql:`json` data into Python objects.
 Psycopg converts :sql:`json` values into Python objects but :sql:`jsonb` values are returned as strings. Can :sql:`jsonb` be converted automatically?
     Automatic conversion of :sql:`jsonb` values is supported from Psycopg
     release 2.5.4. For previous versions you can register the :sql:`json`
-    typecaster on the :sql:`jsonb` oids (which are known and not suppsed to
+    typecaster on the :sql:`jsonb` oids (which are known and not supposed to
     change in future PostgreSQL versions)::
 
         psycopg2.extras.register_json(oid=3802, array_oid=3807, globally=True)

doc/src/install.rst

@@ -31,23 +31,23 @@ wheel_ package available on PyPI_:
 
 This will install a pre-compiled binary version of the module which does not
 require the build or runtime prerequisites described below. Make sure to use
-an up-date-date version of :program:`pip` (you can upgrade it using something
+an up-to-date version of :program:`pip` (you can upgrade it using something
 like ``pip install -U pip``).
 
-You may then import the ``psycopg`` package, as usual:
+You may then import the ``psycopg2`` package, as usual:
 
 .. code-block:: python
 
-    import psycopg
+    import psycopg2
 
     # Connect to your postgres DB
-    conn = psycopg.connect("dbname=test user=postgres")
+    conn = psycopg2.connect("dbname=test user=postgres")
 
     # Open a cursor to perform database operations
     cur = conn.cursor()
 
     # Execute a query
-    cur.execute("SELECT * FROM my_data");
+    cur.execute("SELECT * FROM my_data")
 
     # Retrieve query results
     records = cur.fetchall()
@@ -131,11 +131,17 @@ The current `!psycopg2` implementation supports:
 ..
     NOTE: keep consistent with setup.py and the /features/ page.
 
-- Python version 2.7
-- Python 3 versions from 3.4 to 3.8
-- PostgreSQL server versions from 7.4 to 12
+- Python versions from 3.8 to 3.13
+- PostgreSQL server versions from 7.4 to 17
 - PostgreSQL client library version from 9.1
 
+.. note::
+
+    Not all the psycopg2 versions support all the supported Python versions.
+
+    Please see the :ref:`release notes <news>` to verify when the support for
+    a new Python version was added and when the support for an old Python
+    version was removed.
 
 
 .. _build-prerequisites:
@@ -199,7 +205,7 @@ self-contained wheel package, it will need the libpq_ library at runtime
 (usually distributed in a ``libpq.so`` or ``libpq.dll`` file).  `!psycopg2`
 relies on the host OS to find the library if the library is installed in a
 standard location there is usually no problem; if the library is in a
-non-standard location you will have to tell somehow Psycopg how to find it,
+non-standard location you will have to tell Psycopg how to find it,
 which is OS-dependent (for instance setting a suitable
 :envvar:`LD_LIBRARY_PATH` on Linux).
 
@@ -231,7 +237,6 @@ If you have less standard requirements such as:
 
 - creating a :ref:`debug build <debug-build>`,
 - using :program:`pg_config` not in the :envvar:`PATH`,
-- supporting ``mx.DateTime``,
 
 then take a look at the ``setup.cfg`` file.
 

doc/src/module.rst

@@ -168,7 +168,7 @@ available through the following exceptions:
 
         >>> e.pgcode
         '42P01'
-        >>> print e.pgerror
+        >>> print(e.pgerror)
         ERROR:  relation "barf" does not exist
         LINE 1: SELECT * FROM barf
                               ^
@@ -184,7 +184,7 @@ available through the following exceptions:
 
             >>> try:
             ...     cur.execute("SELECT * FROM barf")
-            ... except psycopg2.Error, e:
+            ... except psycopg2.Error as e:
             ...     pass
 
             >>> e.diag.severity

doc/src/news.rst

@@ -2,6 +2,8 @@
     single: Release notes
     single: News
 
+.. _news:
+
 Release notes
 =============
 

doc/src/sql.rst

@@ -33,7 +33,7 @@ name should be escaped using `~psycopg2.extensions.quote_ident()`::
     # This works, but it is not optimal
     table_name = 'my_table'
     cur.execute(
-        "insert into %s values (%%s, %%s)" % ext.quote_ident(table_name),
+        "insert into %s values (%%s, %%s)" % ext.quote_ident(table_name, cur),
         [10, 20])
 
 This is now safe, but it somewhat ad-hoc. In case, for some reason, it is

doc/src/tools/lib/dbapi_extension.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     extension
     ~~~~~~~~~

doc/src/tools/lib/sql_role.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     sql role
     ~~~~~~~~

doc/src/tools/lib/ticket_role.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     ticket role
     ~~~~~~~~~~~

doc/src/tools/make_sqlstate_docs.py

@@ -2,7 +2,6 @@
 """Create the docs table of the sqlstate errors.
 """
 
-from __future__ import print_function
 
 import re
 import sys
@@ -26,8 +25,8 @@ def main():
     for k in sorted(sqlstate_errors):
         exc = sqlstate_errors[k]
         lines.append(Line(
-            "``%s``" % k, "`!%s`" % exc.__name__,
-            "`!%s`" % get_base_exception(exc).__name__, k))
+            f"``{k}``", f"`!{exc.__name__}`",
+            f"`!{get_base_exception(exc).__name__}`", k))
 
     widths = [max(len(l[c]) for l in lines) for c in range(3)]
     h = Line(*(['=' * w for w in widths] + [None]))
@@ -40,7 +39,7 @@ def main():
     for l in lines:
         cls = l.sqlstate[:2] if l.sqlstate else None
         if cls and cls != sqlclass:
-            print("**Class %s**: %s" % (cls, sqlclasses[cls]))
+            print(f"**Class {cls}**: {sqlclasses[cls]}")
             print(h1)
             sqlclass = cls
 

doc/src/tz.rst

@@ -5,6 +5,10 @@
 
 .. module:: psycopg2.tz
 
+.. deprecated:: 2.9
+   The module will be dropped in psycopg 2.10. Use `datetime.timezone`
+   instead.
+
 This module holds two different tzinfo implementations that can be used as the
 `tzinfo` argument to `~datetime.datetime` constructors, directly passed to
 Psycopg functions or used to set the `cursor.tzinfo_factory` attribute in

doc/src/usage.rst

@@ -407,7 +407,7 @@ defined on the database connection (the `PostgreSQL encoding`__, available in
 `connection.encoding`, is translated into a `Python encoding`__ using the
 `~psycopg2.extensions.encodings` mapping)::
 
-    >>> print u, type(u)
+    >>> print(u, type(u))
     àèìòù€ <type 'unicode'>
 
     >>> cur.execute("INSERT INTO test (num, data) VALUES (%s,%s);", (74, u))
@@ -418,19 +418,19 @@ defined on the database connection (the `PostgreSQL encoding`__, available in
 When reading data from the database, in Python 2 the strings returned are
 usually 8 bit `!str` objects encoded in the database client encoding::
 
-    >>> print conn.encoding
+    >>> print(conn.encoding)
     UTF8
 
     >>> cur.execute("SELECT data FROM test WHERE num = 74")
     >>> x = cur.fetchone()[0]
-    >>> print x, type(x), repr(x)
+    >>> print(x, type(x), repr(x))
     àèìòù€ <type 'str'> '\xc3\xa0\xc3\xa8\xc3\xac\xc3\xb2\xc3\xb9\xe2\x82\xac'
 
     >>> conn.set_client_encoding('LATIN9')
 
     >>> cur.execute("SELECT data FROM test WHERE num = 74")
     >>> x = cur.fetchone()[0]
-    >>> print type(x), repr(x)
+    >>> print(type(x), repr(x))
     <type 'str'> '\xe0\xe8\xec\xf2\xf9\xa4'
 
 In Python 3 instead the strings are automatically *decoded* in the connection
@@ -442,7 +442,7 @@ In Python 2 you must register a :ref:`typecaster
 
     >>> cur.execute("SELECT data FROM test WHERE num = 74")
     >>> x = cur.fetchone()[0]
-    >>> print x, type(x), repr(x)
+    >>> print(x, type(x), repr(x))
     àèìòù€ <type 'unicode'> u'\xe0\xe8\xec\xf2\xf9\u20ac'
 
 In the above example, the `~psycopg2.extensions.UNICODE` typecaster is
@@ -540,7 +540,6 @@ or `!memoryview` (in Python 3).
     single: Date objects; Adaptation
     single: Time objects; Adaptation
     single: Interval objects; Adaptation
-    single: mx.DateTime; Adaptation
 
 .. _adapt-date:
 
@@ -550,8 +549,7 @@ Date/Time objects adaptation
 Python builtin `~datetime.datetime`, `~datetime.date`,
 `~datetime.time`,  `~datetime.timedelta` are converted into PostgreSQL's
 :sql:`timestamp[tz]`, :sql:`date`, :sql:`time[tz]`, :sql:`interval` data types.
-Time zones are supported too.  The Egenix `mx.DateTime`_ objects are adapted
-the same way::
+Time zones are supported too.
 
     >>> dt = datetime.datetime.now()
     >>> dt
@@ -576,29 +574,39 @@ Time zones handling
 '''''''''''''''''''
 
 The PostgreSQL type :sql:`timestamp with time zone` (a.k.a.
-:sql:`timestamptz`) is converted into Python `~datetime.datetime` objects with
-a `~datetime.datetime.tzinfo` attribute set to a
-`~psycopg2.tz.FixedOffsetTimezone` instance.
+:sql:`timestamptz`) is converted into Python `~datetime.datetime` objects.
 
-    >>> cur.execute("SET TIME ZONE 'Europe/Rome';")  # UTC + 1 hour
-    >>> cur.execute("SELECT '2010-01-01 10:30:45'::timestamptz;")
-    >>> cur.fetchone()[0].tzinfo
-    psycopg2.tz.FixedOffsetTimezone(offset=60, name=None)
+    >>> cur.execute("SET TIME ZONE 'Europe/Rome'")  # UTC + 1 hour
+    >>> cur.execute("SELECT '2010-01-01 10:30:45'::timestamptz")
+    >>> cur.fetchone()[0]
+    datetime.datetime(2010, 1, 1, 10, 30, 45,
+        tzinfo=datetime.timezone(datetime.timedelta(seconds=3600)))
 
-Note that only time zones with an integer number of minutes are supported:
-this is a limitation of the Python `datetime` module.  A few historical time
-zones had seconds in the UTC offset: these time zones will have the offset
-rounded to the nearest minute, with an error of up to 30 seconds.
+.. note::
 
-    >>> cur.execute("SET TIME ZONE 'Asia/Calcutta';")  # offset was +5:53:20
-    >>> cur.execute("SELECT '1930-01-01 10:30:45'::timestamptz;")
-    >>> cur.fetchone()[0].tzinfo
-    psycopg2.tz.FixedOffsetTimezone(offset=353, name=None)
+    Before Python 3.7, the `datetime` module only supported timezones with an
+    integer number of minutes. A few historical time zones had seconds in the
+    UTC offset: these time zones will have the offset rounded to the nearest
+    minute, with an error of up to 30 seconds, on Python versions before 3.7.
+
+        >>> cur.execute("SET TIME ZONE 'Asia/Calcutta'")  # offset was +5:21:10
+        >>> cur.execute("SELECT '1900-01-01 10:30:45'::timestamptz")
+        >>> cur.fetchone()[0].tzinfo
+        # On Python 3.6: 5h, 21m
+        datetime.timezone(datetime.timedelta(0, 19260))
+        # On Python 3.7 and following: 5h, 21m, 10s
+        datetime.timezone(datetime.timedelta(seconds=19270))
 
 .. versionchanged:: 2.2.2
     timezones with seconds are supported (with rounding). Previously such
     timezones raised an error.
 
+.. versionchanged:: 2.9
+    timezones with seconds are supported without rounding.
+
+.. versionchanged:: 2.9
+    use `datetime.timezone` as default tzinfo object instead of
+    `~psycopg2.tz.FixedOffsetTimezone`.
 
 .. index::
     double: Date objects; Infinite
@@ -750,10 +758,10 @@ until a call to the `~connection.rollback()` method.
 
 The connection is responsible for terminating its transaction, calling either
 the `~connection.commit()` or `~connection.rollback()` method.  Committed
-changes are immediately made persistent into the database.  If he connection
+changes are immediately made persistent in the database.  If the connection
 is closed (using the `~connection.close()` method) or destroyed (using `!del`
-or letting it falling out of scope) while a transaction is in progress, the
-server will discard the transaction.  However doing so is not adviceable:
+or by letting it fall out of scope) while a transaction is in progress, the
+server will discard the transaction.  However doing so is not advisable:
 middleware such as PgBouncer_ may see the connection closed uncleanly and
 dispose of it.
 
@@ -787,6 +795,8 @@ the details.
 .. index::
     single: with statement
 
+.. _with:
+
 ``with`` statement
 ^^^^^^^^^^^^^^^^^^
 
@@ -804,7 +814,7 @@ is rolled back.
 When a cursor exits the ``with`` block it is closed, releasing any resource
 eventually associated with it. The state of the transaction is not affected.
 
-A connection can be used in more than a ``with`` statement
+A connection can be used in more than one ``with`` statement
 and each ``with`` block is effectively wrapped in a separate transaction::
 
     conn = psycopg2.connect(DSN)
@@ -832,6 +842,9 @@ and each ``with`` block is effectively wrapped in a separate transaction::
         finally:
             conn.close()
 
+.. versionchanged:: 2.9
+    ``with connection`` starts a transaction also on autocommit connections.
+
 
 .. index::
     pair: Server side; Cursor
@@ -847,7 +860,7 @@ Server side cursors
 
 When a database query is executed, the Psycopg `cursor` usually fetches
 all the records returned by the backend, transferring them to the client
-process. If the query returned an huge amount of data, a proportionally large
+process. If the query returns a huge amount of data, a proportionally large
 amount of memory will be allocated by the client.
 
 If the dataset is too large to be practically handled on the client side, it is
@@ -1039,8 +1052,8 @@ using the |lo_import|_ and |lo_export|_ libpq functions.
       (`~connection.server_version` must be >= ``90300``).
 
     If Psycopg was built with 64 bits large objects support (i.e. the first
-    two contidions above are verified), the `psycopg2.__version__` constant
-    will contain the ``lo64`` flag.  If any of the contition is not met
+    two conditions above are verified), the `psycopg2.__version__` constant
+    will contain the ``lo64`` flag.  If any of the condition is not met
     several `!lobject` methods will fail if the arguments exceed 2GB.
 
 

lib/__init__.py

@@ -19,7 +19,7 @@ Homepage: https://psycopg.org/
 # psycopg/__init__.py - initialization of the psycopg module
 #
 # Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -61,8 +61,6 @@ from psycopg2._psycopg import (                     # noqa
     __version__, __libpq_version__,
 )
 
-from psycopg2 import tz                             # noqa
-
 
 # Register default adapters.
 
@@ -120,9 +118,6 @@ def connect(dsn=None, connection_factory=None, cursor_factory=None, **kwargs):
     if 'async_' in kwargs:
         kwasync['async_'] = kwargs.pop('async_')
 
-    if dsn is None and not kwargs:
-        raise TypeError('missing dsn and no parameters')
-
     dsn = _ext.make_dsn(dsn, **kwargs)
     conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
     if cursor_factory is not None:

lib/_ipaddress.py

@@ -4,7 +4,7 @@
 # psycopg/_ipaddress.py - Ipaddres-based network types adaptation
 #
 # Copyright (C) 2016-2019 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -26,7 +26,6 @@
 
 from psycopg2.extensions import (
     new_type, new_array_type, register_type, register_adapter, QuotedString)
-from psycopg2.compat import text_type
 
 # The module is imported on register_ipaddress
 ipaddress = None
@@ -78,13 +77,13 @@ def cast_interface(s, cur=None):
     if s is None:
         return None
     # Py2 version force the use of unicode. meh.
-    return ipaddress.ip_interface(text_type(s))
+    return ipaddress.ip_interface(str(s))
 
 
 def cast_network(s, cur=None):
     if s is None:
         return None
-    return ipaddress.ip_network(text_type(s))
+    return ipaddress.ip_network(str(s))
 
 
 def adapt_ipaddress(obj):

lib/_json.py

@@ -8,7 +8,7 @@ extensions importing register_json from extras.
 # psycopg/_json.py - Implementation of the JSON adaptation objects
 #
 # Copyright (C) 2012-2019 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -32,7 +32,6 @@ import json
 
 from psycopg2._psycopg import ISQLQuote, QuotedString
 from psycopg2._psycopg import new_type, new_array_type, register_type
-from psycopg2.compat import PY2
 
 
 # oids from PostgreSQL 9.2
@@ -44,7 +43,7 @@ JSONB_OID = 3802
 JSONBARRAY_OID = 3807
 
 
-class Json(object):
+class Json:
     """
     An `~psycopg2.extensions.ISQLQuote` wrapper to adapt a Python object to
     :sql:`json` data type.
@@ -82,13 +81,9 @@ class Json(object):
             qs.prepare(self._conn)
         return qs.getquoted()
 
-    if PY2:
-        def __str__(self):
-            return self.getquoted()
-    else:
-        def __str__(self):
-            # getquoted is binary in Py3
-            return self.getquoted().decode('ascii', 'replace')
+    def __str__(self):
+        # getquoted is binary
+        return self.getquoted().decode('ascii', 'replace')
 
 
 def register_json(conn_or_curs=None, globally=False, loads=None,
@@ -168,7 +163,7 @@ def _create_json_typecasters(oid, array_oid, loads=None, name='JSON'):
 
     JSON = new_type((oid, ), name, typecast_json)
     if array_oid is not None:
-        JSONARRAY = new_array_type((array_oid, ), "%sARRAY" % name, JSON)
+        JSONARRAY = new_array_type((array_oid, ), f"{name}ARRAY", JSON)
     else:
         JSONARRAY = None
 
@@ -199,6 +194,6 @@ def _get_json_oids(conn_or_curs, name='json'):
         conn.rollback()
 
     if not r:
-        raise conn.ProgrammingError("%s data type not found" % name)
+        raise conn.ProgrammingError(f"{name} data type not found")
 
     return r

lib/_lru_cache.py

@@ -1,104 +0,0 @@
-"""
-LRU cache implementation for Python 2.7
-
-Ported from http://code.activestate.com/recipes/578078/ and simplified for our
-use (only support maxsize > 0 and positional arguments).
-"""
-
-from collections import namedtuple
-from functools import update_wrapper
-from threading import RLock
-
-_CacheInfo = namedtuple("CacheInfo", ["hits", "misses", "maxsize", "currsize"])
-
-
-def lru_cache(maxsize=100):
-    """Least-recently-used cache decorator.
-
-    Arguments to the cached function must be hashable.
-
-    See:  http://en.wikipedia.org/wiki/Cache_algorithms#Least_Recently_Used
-
-    """
-    def decorating_function(user_function):
-
-        cache = dict()
-        stats = [0, 0]                  # make statistics updateable non-locally
-        HITS, MISSES = 0, 1             # names for the stats fields
-        cache_get = cache.get           # bound method to lookup key or return None
-        _len = len                      # localize the global len() function
-        lock = RLock()                  # linkedlist updates aren't threadsafe
-        root = []                       # root of the circular doubly linked list
-        root[:] = [root, root, None, None]      # initialize by pointing to self
-        nonlocal_root = [root]                  # make updateable non-locally
-        PREV, NEXT, KEY, RESULT = 0, 1, 2, 3    # names for the link fields
-
-        assert maxsize and maxsize > 0, "maxsize %s not supported" % maxsize
-
-        def wrapper(*args):
-            # size limited caching that tracks accesses by recency
-            key = args
-            with lock:
-                link = cache_get(key)
-                if link is not None:
-                    # record recent use of the key by moving it to the
-                    # front of the list
-                    root, = nonlocal_root
-                    link_prev, link_next, key, result = link
-                    link_prev[NEXT] = link_next
-                    link_next[PREV] = link_prev
-                    last = root[PREV]
-                    last[NEXT] = root[PREV] = link
-                    link[PREV] = last
-                    link[NEXT] = root
-                    stats[HITS] += 1
-                    return result
-            result = user_function(*args)
-            with lock:
-                root, = nonlocal_root
-                if key in cache:
-                    # getting here means that this same key was added to the
-                    # cache while the lock was released.  since the link
-                    # update is already done, we need only return the
-                    # computed result and update the count of misses.
-                    pass
-                elif _len(cache) >= maxsize:
-                    # use the old root to store the new key and result
-                    oldroot = root
-                    oldroot[KEY] = key
-                    oldroot[RESULT] = result
-                    # empty the oldest link and make it the new root
-                    root = nonlocal_root[0] = oldroot[NEXT]
-                    oldkey = root[KEY]
-                    # oldvalue = root[RESULT]
-                    root[KEY] = root[RESULT] = None
-                    # now update the cache dictionary for the new links
-                    del cache[oldkey]
-                    cache[key] = oldroot
-                else:
-                    # put result in a new link at the front of the list
-                    last = root[PREV]
-                    link = [last, root, key, result]
-                    last[NEXT] = root[PREV] = cache[key] = link
-                stats[MISSES] += 1
-            return result
-
-        def cache_info():
-            """Report cache statistics"""
-            with lock:
-                return _CacheInfo(stats[HITS], stats[MISSES], maxsize, len(cache))
-
-        def cache_clear():
-            """Clear the cache and cache statistics"""
-            with lock:
-                cache.clear()
-                root = nonlocal_root[0]
-                root[:] = [root, root, None, None]
-                stats[:] = [0, 0]
-
-        wrapper.__wrapped__ = user_function
-        wrapper.cache_info = cache_info
-        wrapper.cache_clear = cache_clear
-        return update_wrapper(wrapper, user_function)
-
-    return decorating_function

lib/_range.py

@@ -5,7 +5,7 @@
 # psycopg/_range.py - Implementation of the Range type and adaptation
 #
 # Copyright (C) 2012-2019 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -30,10 +30,9 @@ import re
 from psycopg2._psycopg import ProgrammingError, InterfaceError
 from psycopg2.extensions import ISQLQuote, adapt, register_adapter
 from psycopg2.extensions import new_type, new_array_type, register_type
-from psycopg2.compat import string_types
 
 
-class Range(object):
+class Range:
     """Python representation for a PostgreSQL |range|_ type.
 
     :param lower: lower bound for the range. `!None` means unbound
@@ -48,7 +47,7 @@ class Range(object):
     def __init__(self, lower=None, upper=None, bounds='[)', empty=False):
         if not empty:
             if bounds not in ('[)', '(]', '()', '[]'):
-                raise ValueError("bound flags not valid: %r" % bounds)
+                raise ValueError(f"bound flags not valid: {bounds!r}")
 
             self._lower = lower
             self._upper = upper
@@ -58,9 +57,9 @@ class Range(object):
 
     def __repr__(self):
         if self._bounds is None:
-            return "%s(empty=True)" % self.__class__.__name__
+            return f"{self.__class__.__name__}(empty=True)"
         else:
-            return "%s(%r, %r, %r)" % (self.__class__.__name__,
+            return "{}({!r}, {!r}, {!r})".format(self.__class__.__name__,
                 self._lower, self._upper, self._bounds)
 
     def __str__(self):
@@ -144,10 +143,6 @@ class Range(object):
     def __bool__(self):
         return self._bounds is not None
 
-    def __nonzero__(self):
-        # Python 2 compatibility
-        return type(self).__bool__(self)
-
     def __eq__(self, other):
         if not isinstance(other, Range):
             return False
@@ -239,7 +234,7 @@ def register_range(pgrange, pyrange, conn_or_curs, globally=False):
     return caster
 
 
-class RangeAdapter(object):
+class RangeAdapter:
     """`ISQLQuote` adapter for `Range` subclasses.
 
     This is an abstract class: concrete classes must set a `name` class
@@ -287,7 +282,7 @@ class RangeAdapter(object):
             + b", '" + r._bounds.encode('utf8') + b"')"
 
 
-class RangeCaster(object):
+class RangeCaster:
     """Helper class to convert between `Range` and PostgreSQL range types.
 
     Objects of this class are usually created by `register_range()`. Manual
@@ -315,7 +310,7 @@ class RangeCaster(object):
         # an implementation detail and is not documented. It is currently used
         # for the numeric ranges.
         self.adapter = None
-        if isinstance(pgrange, string_types):
+        if isinstance(pgrange, str):
             self.adapter = type(pgrange, (RangeAdapter,), {})
             self.adapter.name = pgrange
         else:
@@ -332,7 +327,7 @@ class RangeCaster(object):
 
         self.range = None
         try:
-            if isinstance(pyrange, string_types):
+            if isinstance(pyrange, str):
                 self.range = type(pyrange, (Range,), {})
             if issubclass(pyrange, Range) and pyrange is not Range:
                 self.range = pyrange
@@ -368,33 +363,54 @@ class RangeCaster(object):
             schema = 'public'
 
         # get the type oid and attributes
-        try:
-            curs.execute("""\
-select rngtypid, rngsubtype,
-    (select typarray from pg_type where oid = rngtypid)
+        curs.execute("""\
+select rngtypid, rngsubtype, typarray
 from pg_range r
 join pg_type t on t.oid = rngtypid
 join pg_namespace ns on ns.oid = typnamespace
 where typname = %s and ns.nspname = %s;
 """, (tname, schema))
+        rec = curs.fetchone()
 
-        except ProgrammingError:
-            if not conn.autocommit:
-                conn.rollback()
-            raise
-        else:
-            rec = curs.fetchone()
+        if not rec:
+            # The above algorithm doesn't work for customized seach_path
+            # (#1487) The implementation below works better, but, to guarantee
+            # backwards compatibility, use it only if the original one failed.
+            try:
+                savepoint = False
+                # Because we executed statements earlier, we are either INTRANS
+                # or we are IDLE only if the transaction is autocommit, in
+                # which case we don't need the savepoint anyway.
+                if conn.status == STATUS_IN_TRANSACTION:
+                    curs.execute("SAVEPOINT register_type")
+                    savepoint = True
 
-            # revert the status of the connection as before the command
-            if (conn_status != STATUS_IN_TRANSACTION
-            and not conn.autocommit):
-                conn.rollback()
+                curs.execute("""\
+SELECT rngtypid, rngsubtype, typarray, typname, nspname
+from pg_range r
+join pg_type t on t.oid = rngtypid
+join pg_namespace ns on ns.oid = typnamespace
+WHERE t.oid = %s::regtype
+""", (name, ))
+            except ProgrammingError:
+                pass
+            else:
+                rec = curs.fetchone()
+                if rec:
+                    tname, schema = rec[3:]
+            finally:
+                if savepoint:
+                    curs.execute("ROLLBACK TO SAVEPOINT register_type")
+
+        # revert the status of the connection as before the command
+        if conn_status != STATUS_IN_TRANSACTION and not conn.autocommit:
+            conn.rollback()
 
         if not rec:
             raise ProgrammingError(
-                "PostgreSQL type '%s' not found" % name)
+                f"PostgreSQL range '{name}' not found")
 
-        type, subtype, array = rec
+        type, subtype, array = rec[:3]
 
         return RangeCaster(name, pyrange,
             oid=type, subtype_oid=subtype, array_oid=array)
@@ -424,7 +440,7 @@ where typname = %s and ns.nspname = %s;
 
         m = self._re_range.match(s)
         if m is None:
-            raise InterfaceError("failed to parse range: '%s'" % s)
+            raise InterfaceError(f"failed to parse range: '{s}'")
 
         lower = m.group(3)
         if lower is None:
@@ -504,8 +520,7 @@ class NumberRangeAdapter(RangeAdapter):
         else:
             upper = ''
 
-        return ("'%s%s,%s%s'" % (
-            r._bounds[0], lower, upper, r._bounds[1])).encode('ascii')
+        return (f"'{r._bounds[0]}{lower},{upper}{r._bounds[1]}'").encode('ascii')
 
 
 # TODO: probably won't work with infs, nans and other tricky cases.

lib/compat.py

@@ -1,19 +0,0 @@
-import sys
-
-__all__ = ['string_types', 'text_type', 'lru_cache']
-
-if sys.version_info[0] == 2:
-    # Python 2
-    PY2 = True
-    PY3 = False
-    string_types = basestring,
-    text_type = unicode
-    from ._lru_cache import lru_cache
-
-else:
-    # Python 3
-    PY2 = False
-    PY3 = True
-    string_types = str,
-    text_type = str
-    from functools import lru_cache

lib/errorcodes.py

@@ -1,11 +1,11 @@
-"""Error codes for PostgresSQL
+"""Error codes for PostgreSQL
 
 This module contains symbolic names for all PostgreSQL error codes.
 """
 # psycopg2/errorcodes.py - PostgreSQL error codes
 #
 # Copyright (C) 2006-2019 Johan Dahlin  <jdahlin@async.com.br>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -223,6 +223,7 @@ SQL_JSON_OBJECT_NOT_FOUND = '2203C'
 TOO_MANY_JSON_ARRAY_ELEMENTS = '2203D'
 TOO_MANY_JSON_OBJECT_MEMBERS = '2203E'
 SQL_JSON_SCALAR_REQUIRED = '2203F'
+SQL_JSON_ITEM_CANNOT_BE_CAST_TO_TARGET_TYPE = '2203G'
 FLOATING_POINT_EXCEPTION = '22P01'
 INVALID_TEXT_REPRESENTATION = '22P02'
 INVALID_BINARY_REPRESENTATION = '22P03'
@@ -255,6 +256,7 @@ HELD_CURSOR_REQUIRES_SAME_ISOLATION_LEVEL = '25008'
 NO_ACTIVE_SQL_TRANSACTION = '25P01'
 IN_FAILED_SQL_TRANSACTION = '25P02'
 IDLE_IN_TRANSACTION_SESSION_TIMEOUT = '25P03'
+TRANSACTION_TIMEOUT = '25P04'
 
 # Class 26 - Invalid SQL Statement Name
 INVALID_SQL_STATEMENT_NAME = '26000'
@@ -391,6 +393,7 @@ ADMIN_SHUTDOWN = '57P01'
 CRASH_SHUTDOWN = '57P02'
 CANNOT_CONNECT_NOW = '57P03'
 DATABASE_DROPPED = '57P04'
+IDLE_SESSION_TIMEOUT = '57P05'
 
 # Class 58 - System Error (errors external to PostgreSQL itself)
 SYSTEM_ERROR = '58000'

lib/errors.py

@@ -4,7 +4,7 @@
 # psycopg/errors.py - SQLSTATE and DB-API exceptions
 #
 # Copyright (C) 2018-2019 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published

lib/extensions.py

@@ -13,7 +13,7 @@ This module holds all the extensions to the DBAPI-2.0 provided by psycopg.
 # psycopg/extensions.py - DBAPI-2.0 extensions specific to psycopg
 #
 # Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -42,14 +42,6 @@ from psycopg2._psycopg import (                             # noqa
     ROWIDARRAY, STRINGARRAY, TIME, TIMEARRAY, UNICODE, UNICODEARRAY,
     AsIs, Binary, Boolean, Float, Int, QuotedString, )
 
-try:
-    from psycopg2._psycopg import (                         # noqa
-        MXDATE, MXDATETIME, MXDATETIMETZ, MXINTERVAL, MXTIME, MXDATEARRAY,
-        MXDATETIMEARRAY, MXDATETIMETZARRAY, MXINTERVALARRAY, MXTIMEARRAY,
-        DateFromMx, TimeFromMx, TimestampFromMx, IntervalFromMx, )
-except ImportError:
-    pass
-
 from psycopg2._psycopg import (                         # noqa
     PYDATE, PYDATETIME, PYDATETIMETZ, PYINTERVAL, PYTIME, PYDATEARRAY,
     PYDATETIMEARRAY, PYDATETIMETZARRAY, PYINTERVALARRAY, PYTIMEARRAY,
@@ -106,7 +98,7 @@ def register_adapter(typ, callable):
 
 
 # The SQL_IN class is the official adapter for tuples starting from 2.0.6.
-class SQL_IN(object):
+class SQL_IN:
     """Adapt any iterable to an SQL quotable object."""
     def __init__(self, seq):
         self._seq = seq
@@ -130,7 +122,7 @@ class SQL_IN(object):
         return str(self.getquoted())
 
 
-class NoneAdapter(object):
+class NoneAdapter:
     """Adapt None to NULL.
 
     This adapter is not used normally as a fast path in mogrify uses NULL,
@@ -168,7 +160,7 @@ def make_dsn(dsn=None, **kwargs):
         tmp.update(kwargs)
         kwargs = tmp
 
-    dsn = " ".join(["%s=%s" % (k, _param_escape(str(v)))
+    dsn = " ".join(["{}={}".format(k, _param_escape(str(v)))
         for (k, v) in kwargs.items()])
 
     # verify that the returned dsn is valid

lib/extras.py

@@ -6,7 +6,7 @@ and classes until a better place in the distribution is found.
 # psycopg/extras.py - miscellaneous extra goodies for psycopg
 #
 # Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -38,7 +38,7 @@ from psycopg2 import extensions as _ext
 from .extensions import cursor as _cursor
 from .extensions import connection as _connection
 from .extensions import adapt as _A, quote_ident
-from .compat import PY2, PY3, lru_cache
+from functools import lru_cache
 
 from psycopg2._psycopg import (                             # noqa
     REPLICATION_PHYSICAL, REPLICATION_LOGICAL,
@@ -72,47 +72,47 @@ class DictCursorBase(_cursor):
         else:
             raise NotImplementedError(
                 "DictCursorBase can't be instantiated without a row factory.")
-        super(DictCursorBase, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self._query_executed = False
         self._prefetch = False
         self.row_factory = row_factory
 
     def fetchone(self):
         if self._prefetch:
-            res = super(DictCursorBase, self).fetchone()
+            res = super().fetchone()
         if self._query_executed:
             self._build_index()
         if not self._prefetch:
-            res = super(DictCursorBase, self).fetchone()
+            res = super().fetchone()
         return res
 
     def fetchmany(self, size=None):
         if self._prefetch:
-            res = super(DictCursorBase, self).fetchmany(size)
+            res = super().fetchmany(size)
         if self._query_executed:
             self._build_index()
         if not self._prefetch:
-            res = super(DictCursorBase, self).fetchmany(size)
+            res = super().fetchmany(size)
         return res
 
     def fetchall(self):
         if self._prefetch:
-            res = super(DictCursorBase, self).fetchall()
+            res = super().fetchall()
         if self._query_executed:
             self._build_index()
         if not self._prefetch:
-            res = super(DictCursorBase, self).fetchall()
+            res = super().fetchall()
         return res
 
     def __iter__(self):
         try:
             if self._prefetch:
-                res = super(DictCursorBase, self).__iter__()
+                res = super().__iter__()
                 first = next(res)
             if self._query_executed:
                 self._build_index()
             if not self._prefetch:
-                res = super(DictCursorBase, self).__iter__()
+                res = super().__iter__()
                 first = next(res)
 
             yield first
@@ -126,7 +126,7 @@ class DictConnection(_connection):
     """A connection that uses `DictCursor` automatically."""
     def cursor(self, *args, **kwargs):
         kwargs.setdefault('cursor_factory', self.cursor_factory or DictCursor)
-        return super(DictConnection, self).cursor(*args, **kwargs)
+        return super().cursor(*args, **kwargs)
 
 
 class DictCursor(DictCursorBase):
@@ -137,18 +137,18 @@ class DictCursor(DictCursorBase):
 
     def __init__(self, *args, **kwargs):
         kwargs['row_factory'] = DictRow
-        super(DictCursor, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         self._prefetch = True
 
     def execute(self, query, vars=None):
         self.index = OrderedDict()
         self._query_executed = True
-        return super(DictCursor, self).execute(query, vars)
+        return super().execute(query, vars)
 
     def callproc(self, procname, vars=None):
         self.index = OrderedDict()
         self._query_executed = True
-        return super(DictCursor, self).callproc(procname, vars)
+        return super().callproc(procname, vars)
 
     def _build_index(self):
         if self._query_executed and self.description:
@@ -169,22 +169,22 @@ class DictRow(list):
     def __getitem__(self, x):
         if not isinstance(x, (int, slice)):
             x = self._index[x]
-        return super(DictRow, self).__getitem__(x)
+        return super().__getitem__(x)
 
     def __setitem__(self, x, v):
         if not isinstance(x, (int, slice)):
             x = self._index[x]
-        super(DictRow, self).__setitem__(x, v)
+        super().__setitem__(x, v)
 
     def items(self):
-        g = super(DictRow, self).__getitem__
+        g = super().__getitem__
         return ((n, g(self._index[n])) for n in self._index)
 
     def keys(self):
         return iter(self._index)
 
     def values(self):
-        g = super(DictRow, self).__getitem__
+        g = super().__getitem__
         return (g(self._index[n]) for n in self._index)
 
     def get(self, x, default=None):
@@ -201,7 +201,7 @@ class DictRow(list):
 
     def __reduce__(self):
         # this is apparently useless, but it fixes #1073
-        return super(DictRow, self).__reduce__()
+        return super().__reduce__()
 
     def __getstate__(self):
         return self[:], self._index.copy()
@@ -210,27 +210,12 @@ class DictRow(list):
         self[:] = data[0]
         self._index = data[1]
 
-    if PY2:
-        iterkeys = keys
-        itervalues = values
-        iteritems = items
-        has_key = __contains__
-
-        def keys(self):
-            return list(self.iterkeys())
-
-        def values(self):
-            return tuple(self.itervalues())
-
-        def items(self):
-            return list(self.iteritems())
-
 
 class RealDictConnection(_connection):
     """A connection that uses `RealDictCursor` automatically."""
     def cursor(self, *args, **kwargs):
         kwargs.setdefault('cursor_factory', self.cursor_factory or RealDictCursor)
-        return super(RealDictConnection, self).cursor(*args, **kwargs)
+        return super().cursor(*args, **kwargs)
 
 
 class RealDictCursor(DictCursorBase):
@@ -243,17 +228,17 @@ class RealDictCursor(DictCursorBase):
     """
     def __init__(self, *args, **kwargs):
         kwargs['row_factory'] = RealDictRow
-        super(RealDictCursor, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def execute(self, query, vars=None):
         self.column_mapping = []
         self._query_executed = True
-        return super(RealDictCursor, self).execute(query, vars)
+        return super().execute(query, vars)
 
     def callproc(self, procname, vars=None):
         self.column_mapping = []
         self._query_executed = True
-        return super(RealDictCursor, self).callproc(procname, vars)
+        return super().callproc(procname, vars)
 
     def _build_index(self):
         if self._query_executed and self.description:
@@ -271,7 +256,7 @@ class RealDictRow(OrderedDict):
         else:
             cursor = None
 
-        super(RealDictRow, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
         if cursor is not None:
             # Required for named cursors
@@ -287,20 +272,20 @@ class RealDictRow(OrderedDict):
         if RealDictRow in self:
             # We are in the row building phase
             mapping = self[RealDictRow]
-            super(RealDictRow, self).__setitem__(mapping[key], value)
+            super().__setitem__(mapping[key], value)
             if key == len(mapping) - 1:
                 # Row building finished
                 del self[RealDictRow]
             return
 
-        super(RealDictRow, self).__setitem__(key, value)
+        super().__setitem__(key, value)
 
 
 class NamedTupleConnection(_connection):
     """A connection that uses `NamedTupleCursor` automatically."""
     def cursor(self, *args, **kwargs):
         kwargs.setdefault('cursor_factory', self.cursor_factory or NamedTupleCursor)
-        return super(NamedTupleConnection, self).cursor(*args, **kwargs)
+        return super().cursor(*args, **kwargs)
 
 
 class NamedTupleCursor(_cursor):
@@ -324,18 +309,18 @@ class NamedTupleCursor(_cursor):
 
     def execute(self, query, vars=None):
         self.Record = None
-        return super(NamedTupleCursor, self).execute(query, vars)
+        return super().execute(query, vars)
 
     def executemany(self, query, vars):
         self.Record = None
-        return super(NamedTupleCursor, self).executemany(query, vars)
+        return super().executemany(query, vars)
 
     def callproc(self, procname, vars=None):
         self.Record = None
-        return super(NamedTupleCursor, self).callproc(procname, vars)
+        return super().callproc(procname, vars)
 
     def fetchone(self):
-        t = super(NamedTupleCursor, self).fetchone()
+        t = super().fetchone()
         if t is not None:
             nt = self.Record
             if nt is None:
@@ -343,14 +328,14 @@ class NamedTupleCursor(_cursor):
             return nt._make(t)
 
     def fetchmany(self, size=None):
-        ts = super(NamedTupleCursor, self).fetchmany(size)
+        ts = super().fetchmany(size)
         nt = self.Record
         if nt is None:
             nt = self.Record = self._make_nt()
         return list(map(nt._make, ts))
 
     def fetchall(self):
-        ts = super(NamedTupleCursor, self).fetchall()
+        ts = super().fetchall()
         nt = self.Record
         if nt is None:
             nt = self.Record = self._make_nt()
@@ -358,7 +343,7 @@ class NamedTupleCursor(_cursor):
 
     def __iter__(self):
         try:
-            it = super(NamedTupleCursor, self).__iter__()
+            it = super().__iter__()
             t = next(it)
 
             nt = self.Record
@@ -372,10 +357,6 @@ class NamedTupleCursor(_cursor):
         except StopIteration:
             return
 
-    # ascii except alnum and underscore
-    _re_clean = _re.compile(
-        '[' + _re.escape(' !"#$%&\'()*+,-./:;<=>?@[\\]^`{|}~') + ']')
-
     def _make_nt(self):
         key = tuple(d[0] for d in self.description) if self.description else ()
         return self._cached_make_nt(key)
@@ -384,7 +365,7 @@ class NamedTupleCursor(_cursor):
     def _do_make_nt(cls, key):
         fields = []
         for s in key:
-            s = cls._re_clean.sub('_', s)
+            s = _re_clean.sub('_', s)
             # Python identifier cannot start with numbers, namedtuple fields
             # cannot start with underscore. So...
             if s[0] == '_' or '0' <= s[0] <= '9':
@@ -436,7 +417,7 @@ class LoggingConnection(_connection):
     def _logtofile(self, msg, curs):
         msg = self.filter(msg, curs)
         if msg:
-            if PY3 and isinstance(msg, bytes):
+            if isinstance(msg, bytes):
                 msg = msg.decode(_ext.encodings[self.encoding], 'replace')
             self._logobj.write(msg + _os.linesep)
 
@@ -453,7 +434,7 @@ class LoggingConnection(_connection):
     def cursor(self, *args, **kwargs):
         self._check()
         kwargs.setdefault('cursor_factory', self.cursor_factory or LoggingCursor)
-        return super(LoggingConnection, self).cursor(*args, **kwargs)
+        return super().cursor(*args, **kwargs)
 
 
 class LoggingCursor(_cursor):
@@ -461,13 +442,13 @@ class LoggingCursor(_cursor):
 
     def execute(self, query, vars=None):
         try:
-            return super(LoggingCursor, self).execute(query, vars)
+            return super().execute(query, vars)
         finally:
             self.connection.log(self.query, self)
 
     def callproc(self, procname, vars=None):
         try:
-            return super(LoggingCursor, self).callproc(procname, vars)
+            return super().callproc(procname, vars)
         finally:
             self.connection.log(self.query, self)
 
@@ -490,9 +471,9 @@ class MinTimeLoggingConnection(LoggingConnection):
     def filter(self, msg, curs):
         t = (_time.time() - curs.timestamp) * 1000
         if t > self._mintime:
-            if PY3 and isinstance(msg, bytes):
+            if isinstance(msg, bytes):
                 msg = msg.decode(_ext.encodings[self.encoding], 'replace')
-            return msg + _os.linesep + "  (execution time: %d ms)" % t
+            return f"{msg}{_os.linesep}  (execution time: {t} ms)"
 
     def cursor(self, *args, **kwargs):
         kwargs.setdefault('cursor_factory',
@@ -516,14 +497,14 @@ class LogicalReplicationConnection(_replicationConnection):
 
     def __init__(self, *args, **kwargs):
         kwargs['replication_type'] = REPLICATION_LOGICAL
-        super(LogicalReplicationConnection, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
 
 class PhysicalReplicationConnection(_replicationConnection):
 
     def __init__(self, *args, **kwargs):
         kwargs['replication_type'] = REPLICATION_PHYSICAL
-        super(PhysicalReplicationConnection, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
 
 class StopReplication(Exception):
@@ -544,7 +525,7 @@ class ReplicationCursor(_replicationCursor):
     def create_replication_slot(self, slot_name, slot_type=None, output_plugin=None):
         """Create streaming replication slot."""
 
-        command = "CREATE_REPLICATION_SLOT %s " % quote_ident(slot_name, self)
+        command = f"CREATE_REPLICATION_SLOT {quote_ident(slot_name, self)} "
 
         if slot_type is None:
             slot_type = self.connection.replication_type
@@ -555,7 +536,7 @@ class ReplicationCursor(_replicationCursor):
                     "output plugin name is required to create "
                     "logical replication slot")
 
-            command += "LOGICAL %s" % quote_ident(output_plugin, self)
+            command += f"LOGICAL {quote_ident(output_plugin, self)}"
 
         elif slot_type == REPLICATION_PHYSICAL:
             if output_plugin is not None:
@@ -567,14 +548,14 @@ class ReplicationCursor(_replicationCursor):
 
         else:
             raise psycopg2.ProgrammingError(
-                "unrecognized replication type: %s" % repr(slot_type))
+                f"unrecognized replication type: {repr(slot_type)}")
 
         self.execute(command)
 
     def drop_replication_slot(self, slot_name):
         """Drop streaming replication slot."""
 
-        command = "DROP_REPLICATION_SLOT %s" % quote_ident(slot_name, self)
+        command = f"DROP_REPLICATION_SLOT {quote_ident(slot_name, self)}"
         self.execute(command)
 
     def start_replication(
@@ -589,7 +570,7 @@ class ReplicationCursor(_replicationCursor):
 
         if slot_type == REPLICATION_LOGICAL:
             if slot_name:
-                command += "SLOT %s " % quote_ident(slot_name, self)
+                command += f"SLOT {quote_ident(slot_name, self)} "
             else:
                 raise psycopg2.ProgrammingError(
                     "slot name is required for logical replication")
@@ -598,19 +579,18 @@ class ReplicationCursor(_replicationCursor):
 
         elif slot_type == REPLICATION_PHYSICAL:
             if slot_name:
-                command += "SLOT %s " % quote_ident(slot_name, self)
+                command += f"SLOT {quote_ident(slot_name, self)} "
             # don't add "PHYSICAL", before 9.4 it was just START_REPLICATION XXX/XXX
 
         else:
             raise psycopg2.ProgrammingError(
-                "unrecognized replication type: %s" % repr(slot_type))
+                f"unrecognized replication type: {repr(slot_type)}")
 
         if type(start_lsn) is str:
             lsn = start_lsn.split('/')
-            lsn = "%X/%08X" % (int(lsn[0], 16), int(lsn[1], 16))
+            lsn = f"{int(lsn[0], 16):X}/{int(lsn[1], 16):08X}"
         else:
-            lsn = "%X/%08X" % ((start_lsn >> 32) & 0xFFFFFFFF,
-                               start_lsn & 0xFFFFFFFF)
+            lsn = f"{start_lsn >> 32 & 4294967295:X}/{start_lsn & 4294967295:08X}"
 
         command += lsn
 
@@ -619,7 +599,7 @@ class ReplicationCursor(_replicationCursor):
                 raise psycopg2.ProgrammingError(
                     "cannot specify timeline for logical replication")
 
-            command += " TIMELINE %d" % timeline
+            command += f" TIMELINE {timeline}"
 
         if options:
             if slot_type == REPLICATION_PHYSICAL:
@@ -630,7 +610,7 @@ class ReplicationCursor(_replicationCursor):
             for k, v in options.items():
                 if not command.endswith('('):
                     command += ", "
-                command += "%s %s" % (quote_ident(k, self), _A(str(v)))
+                command += f"{quote_ident(k, self)} {_A(str(v))}"
             command += ")"
 
         self.start_replication_expert(
@@ -643,7 +623,7 @@ class ReplicationCursor(_replicationCursor):
 
 # a dbtype and adapter for Python UUID type
 
-class UUID_adapter(object):
+class UUID_adapter:
     """Adapt Python's uuid.UUID__ type to PostgreSQL's uuid__.
 
     .. __: https://docs.python.org/library/uuid.html
@@ -658,10 +638,10 @@ class UUID_adapter(object):
             return self
 
     def getquoted(self):
-        return ("'%s'::uuid" % self._uuid).encode('utf8')
+        return (f"'{self._uuid}'::uuid").encode('utf8')
 
     def __str__(self):
-        return "'%s'::uuid" % self._uuid
+        return f"'{self._uuid}'::uuid"
 
 
 def register_uuid(oids=None, conn_or_curs=None):
@@ -698,7 +678,7 @@ def register_uuid(oids=None, conn_or_curs=None):
 
 # a type, dbtype and adapter for PostgreSQL inet type
 
-class Inet(object):
+class Inet:
     """Wrap a string to allow for correct SQL-quoting of inet values.
 
     Note that this adapter does NOT check the passed value to make
@@ -710,7 +690,7 @@ class Inet(object):
         self.addr = addr
 
     def __repr__(self):
-        return "%s(%r)" % (self.__class__.__name__, self.addr)
+        return f"{self.__class__.__name__}({self.addr!r})"
 
     def prepare(self, conn):
         self._conn = conn
@@ -783,7 +763,7 @@ def wait_select(conn):
             elif state == POLL_WRITE:
                 select.select([], [conn.fileno()], [])
             else:
-                raise conn.OperationalError("bad state from poll: %s" % state)
+                raise conn.OperationalError(f"bad state from poll: {state}")
         except KeyboardInterrupt:
             conn.cancel()
             # the loop will be broken by a server error
@@ -805,7 +785,7 @@ def _solve_conn_curs(conn_or_curs):
     return conn, curs
 
 
-class HstoreAdapter(object):
+class HstoreAdapter:
     """Adapt a Python dict to the hstore syntax."""
     def __init__(self, wrapped):
         self.wrapped = wrapped
@@ -885,7 +865,7 @@ class HstoreAdapter(object):
         for m in self._re_hstore.finditer(s):
             if m is None or m.start() != start:
                 raise psycopg2.InterfaceError(
-                    "error parsing hstore pair at char %d" % start)
+                    f"error parsing hstore pair at char {start}")
             k = _bsdec.sub(r'\1', m.group(1))
             v = m.group(2)
             if v is not None:
@@ -896,7 +876,7 @@ class HstoreAdapter(object):
 
         if start < len(s):
             raise psycopg2.InterfaceError(
-                "error parsing hstore: unparsed data after char %d" % start)
+                f"error parsing hstore: unparsed data after char {start}")
 
         return rv
 
@@ -924,12 +904,11 @@ class HstoreAdapter(object):
         rv0, rv1 = [], []
 
         # get the oid for the hstore
-        curs.execute("""\
-SELECT t.oid, %s
+        curs.execute(f"""SELECT t.oid, {typarray}
 FROM pg_type t JOIN pg_namespace ns
     ON typnamespace = ns.oid
 WHERE typname = 'hstore';
-""" % typarray)
+""")
         for oids in curs:
             rv0.append(oids[0])
             rv1.append(oids[1])
@@ -993,12 +972,7 @@ def register_hstore(conn_or_curs, globally=False, unicode=False,
             array_oid = tuple([x for x in array_oid if x])
 
     # create and register the typecaster
-    if PY2 and unicode:
-        cast = HstoreAdapter.parse_unicode
-    else:
-        cast = HstoreAdapter.parse
-
-    HSTORE = _ext.new_type(oid, "HSTORE", cast)
+    HSTORE = _ext.new_type(oid, "HSTORE", HstoreAdapter.parse)
     _ext.register_type(HSTORE, not globally and conn_or_curs or None)
     _ext.register_adapter(dict, HstoreAdapter)
 
@@ -1007,7 +981,7 @@ def register_hstore(conn_or_curs, globally=False, unicode=False,
         _ext.register_type(HSTOREARRAY, not globally and conn_or_curs or None)
 
 
-class CompositeCaster(object):
+class CompositeCaster:
     """Helps conversion of a PostgreSQL composite type into a Python object.
 
     The class is usually created by the `register_composite()` function.
@@ -1028,7 +1002,7 @@ class CompositeCaster(object):
         self.typecaster = _ext.new_type((oid,), name, self.parse)
         if array_oid:
             self.array_typecaster = _ext.new_array_type(
-                (array_oid,), "%sARRAY" % name, self.typecaster)
+                (array_oid,), f"{name}ARRAY", self.typecaster)
         else:
             self.array_typecaster = None
 
@@ -1072,7 +1046,7 @@ class CompositeCaster(object):
         rv = []
         for m in self._re_tokenize.finditer(s):
             if m is None:
-                raise psycopg2.InterfaceError("can't parse type: %r" % s)
+                raise psycopg2.InterfaceError(f"can't parse type: {s!r}")
             if m.group(1) is not None:
                 rv.append(None)
             elif m.group(2) is not None:
@@ -1083,6 +1057,7 @@ class CompositeCaster(object):
         return rv
 
     def _create_type(self, name, attnames):
+        name = _re_clean.sub('_', name)
         self.type = namedtuple(name, attnames)
         self._ctor = self.type._make
 
@@ -1120,14 +1095,46 @@ ORDER BY attnum;
 
         recs = curs.fetchall()
 
+        if not recs:
+            # The above algorithm doesn't work for customized seach_path
+            # (#1487) The implementation below works better, but, to guarantee
+            # backwards compatibility, use it only if the original one failed.
+            try:
+                savepoint = False
+                # Because we executed statements earlier, we are either INTRANS
+                # or we are IDLE only if the transaction is autocommit, in
+                # which case we don't need the savepoint anyway.
+                if conn.status == _ext.STATUS_IN_TRANSACTION:
+                    curs.execute("SAVEPOINT register_type")
+                    savepoint = True
+
+                curs.execute("""\
+SELECT t.oid, %s, attname, atttypid, typname, nspname
+FROM pg_type t
+JOIN pg_namespace ns ON typnamespace = ns.oid
+JOIN pg_attribute a ON attrelid = typrelid
+WHERE t.oid = %%s::regtype
+    AND attnum > 0 AND NOT attisdropped
+ORDER BY attnum;
+""" % typarray, (name, ))
+            except psycopg2.ProgrammingError:
+                pass
+            else:
+                recs = curs.fetchall()
+                if recs:
+                    tname = recs[0][4]
+                    schema = recs[0][5]
+            finally:
+                if savepoint:
+                    curs.execute("ROLLBACK TO SAVEPOINT register_type")
+
         # revert the status of the connection as before the command
-        if (conn_status != _ext.STATUS_IN_TRANSACTION
-        and not conn.autocommit):
+        if conn_status != _ext.STATUS_IN_TRANSACTION and not conn.autocommit:
             conn.rollback()
 
         if not recs:
             raise psycopg2.ProgrammingError(
-                "PostgreSQL type '%s' not found" % name)
+                f"PostgreSQL type '{name}' not found")
 
         type_oid = recs[0][0]
         array_oid = recs[0][1]
@@ -1326,3 +1333,8 @@ def _split_sql(sql):
         raise ValueError("the query doesn't contain any '%s' placeholder")
 
     return pre, post
+
+
+# ascii except alnum and underscore
+_re_clean = _re.compile(
+    '[' + _re.escape(' !"#$%&\'()*+,-./:;<=>?@[\\]^`{|}~') + ']')

lib/pool.py

@@ -5,7 +5,7 @@ This module implements thread-safe (and not) connection pools.
 # psycopg/pool.py - pooling code for psycopg
 #
 # Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -33,7 +33,7 @@ class PoolError(psycopg2.Error):
     pass
 
 
-class AbstractConnectionPool(object):
+class AbstractConnectionPool:
     """Generic key-based pooling code."""
 
     def __init__(self, minconn, maxconn, *args, **kwargs):

lib/sql.py

@@ -4,7 +4,7 @@
 # psycopg/sql.py - SQL composition utility module
 #
 # Copyright (C) 2016-2019 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -27,13 +27,12 @@
 import string
 
 from psycopg2 import extensions as ext
-from psycopg2.compat import PY3, string_types
 
 
 _formatter = string.Formatter()
 
 
-class Composable(object):
+class Composable:
     """
     Abstract base class for objects that can be used to compose an SQL string.
 
@@ -51,7 +50,7 @@ class Composable(object):
         self._wrapped = wrapped
 
     def __repr__(self):
-        return "%s(%r)" % (self.__class__.__name__, self._wrapped)
+        return f"{self.__class__.__name__}({self._wrapped!r})"
 
     def as_string(self, context):
         """
@@ -107,10 +106,10 @@ class Composed(Composable):
         for i in seq:
             if not isinstance(i, Composable):
                 raise TypeError(
-                    "Composed elements must be Composable, got %r instead" % i)
+                    f"Composed elements must be Composable, got {i!r} instead")
             wrapped.append(i)
 
-        super(Composed, self).__init__(wrapped)
+        super().__init__(wrapped)
 
     @property
     def seq(self):
@@ -148,7 +147,7 @@ class Composed(Composable):
             "foo", "bar"
 
         """
-        if isinstance(joiner, string_types):
+        if isinstance(joiner, str):
             joiner = SQL(joiner)
         elif not isinstance(joiner, SQL):
             raise TypeError(
@@ -180,9 +179,9 @@ class SQL(Composable):
         select "foo", "bar" from "table"
     """
     def __init__(self, string):
-        if not isinstance(string, string_types):
+        if not isinstance(string, str):
             raise TypeError("SQL values must be strings")
-        super(SQL, self).__init__(string)
+        super().__init__(string)
 
     @property
     def string(self):
@@ -324,10 +323,10 @@ class Identifier(Composable):
             raise TypeError("Identifier cannot be empty")
 
         for s in strings:
-            if not isinstance(s, string_types):
+            if not isinstance(s, str):
                 raise TypeError("SQL identifier parts must be strings")
 
-        super(Identifier, self).__init__(strings)
+        super().__init__(strings)
 
     @property
     def strings(self):
@@ -345,9 +344,7 @@ class Identifier(Composable):
                 "the Identifier wraps more than one than one string")
 
     def __repr__(self):
-        return "%s(%s)" % (
-            self.__class__.__name__,
-            ', '.join(map(repr, self._wrapped)))
+        return f"{self.__class__.__name__}({', '.join(map(repr, self._wrapped))})"
 
     def as_string(self, context):
         return '.'.join(ext.quote_ident(s, context) for s in self._wrapped)
@@ -392,7 +389,7 @@ class Literal(Composable):
             a.prepare(conn)
 
         rv = a.getquoted()
-        if PY3 and isinstance(rv, bytes):
+        if isinstance(rv, bytes):
             rv = rv.decode(ext.encodings[conn.encoding])
 
         return rv
@@ -426,14 +423,14 @@ class Placeholder(Composable):
     """
 
     def __init__(self, name=None):
-        if isinstance(name, string_types):
+        if isinstance(name, str):
             if ')' in name:
-                raise ValueError("invalid name: %r" % name)
+                raise ValueError(f"invalid name: {name!r}")
 
         elif name is not None:
-            raise TypeError("expected string or None as name, got %r" % name)
+            raise TypeError(f"expected string or None as name, got {name!r}")
 
-        super(Placeholder, self).__init__(name)
+        super().__init__(name)
 
     @property
     def name(self):
@@ -441,12 +438,14 @@ class Placeholder(Composable):
         return self._wrapped
 
     def __repr__(self):
-        return "Placeholder(%r)" % (
-            self._wrapped if self._wrapped is not None else '',)
+        if self._wrapped is None:
+            return f"{self.__class__.__name__}()"
+        else:
+            return f"{self.__class__.__name__}({self._wrapped!r})"
 
     def as_string(self, context):
         if self._wrapped is not None:
-            return "%%(%s)s" % self._wrapped
+            return f"%({self._wrapped})s"
         else:
             return "%s"
 

lib/tz.py

@@ -7,7 +7,7 @@ functions or used to set the .tzinfo_factory attribute in cursors.
 # psycopg/tz.py - tzinfo implementation
 #
 # Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
-# Copyright (C) 2020 The Psycopg Team
+# Copyright (C) 2020-2021 The Psycopg Team
 #
 # psycopg2 is free software: you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as published
@@ -45,6 +45,11 @@ class FixedOffsetTimezone(datetime.tzinfo):
     offset and name that instance will be returned. This saves memory and
     improves comparability.
 
+    .. versionchanged:: 2.9
+
+        The constructor can take either a timedelta or a number of minutes of
+        offset. Previously only minutes were supported.
+
     .. __: https://docs.python.org/library/datetime.html
     """
     _name = None
@@ -54,7 +59,9 @@ class FixedOffsetTimezone(datetime.tzinfo):
 
     def __init__(self, offset=None, name=None):
         if offset is not None:
-            self._offset = datetime.timedelta(minutes=offset)
+            if not isinstance(offset, datetime.timedelta):
+                offset = datetime.timedelta(minutes=offset)
+            self._offset = offset
         if name is not None:
             self._name = name
 
@@ -65,18 +72,28 @@ class FixedOffsetTimezone(datetime.tzinfo):
         try:
             return cls._cache[key]
         except KeyError:
-            tz = super(FixedOffsetTimezone, cls).__new__(cls, offset, name)
+            tz = super().__new__(cls, offset, name)
             cls._cache[key] = tz
             return tz
 
     def __repr__(self):
-        offset_mins = self._offset.seconds // 60 + self._offset.days * 24 * 60
         return "psycopg2.tz.FixedOffsetTimezone(offset=%r, name=%r)" \
-            % (offset_mins, self._name)
+            % (self._offset, self._name)
+
+    def __eq__(self, other):
+        if isinstance(other, FixedOffsetTimezone):
+            return self._offset == other._offset
+        else:
+            return NotImplemented
+
+    def __ne__(self, other):
+        if isinstance(other, FixedOffsetTimezone):
+            return self._offset != other._offset
+        else:
+            return NotImplemented
 
     def __getinitargs__(self):
-        offset_mins = self._offset.seconds // 60 + self._offset.days * 24 * 60
-        return offset_mins, self._name
+        return self._offset, self._name
 
     def utcoffset(self, dt):
         return self._offset
@@ -84,14 +101,16 @@ class FixedOffsetTimezone(datetime.tzinfo):
     def tzname(self, dt):
         if self._name is not None:
             return self._name
-        else:
-            seconds = self._offset.seconds + self._offset.days * 86400
-            hours, seconds = divmod(seconds, 3600)
-            minutes = seconds / 60
-            if minutes:
-                return "%+03d:%d" % (hours, minutes)
-            else:
-                return "%+03d" % hours
+
+        minutes, seconds = divmod(self._offset.total_seconds(), 60)
+        hours, minutes = divmod(minutes, 60)
+        rv = "%+03d" % hours
+        if minutes or seconds:
+            rv += ":%02d" % minutes
+            if seconds:
+                rv += ":%02d" % seconds
+
+        return rv
 
     def dst(self, dt):
         return ZERO

psycopg/adapter_asis.c

@@ -1,7 +1,7 @@
 /* adapter_asis.c - adapt types as they are
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -45,14 +45,12 @@ asis_getquoted(asisObject *self, PyObject *args)
     }
     else {
         rv = PyObject_Str(self->wrapped);
-#if PY_3
-        /* unicode to bytes in Py3 */
+        /* unicode to bytes */
         if (rv) {
             PyObject *tmp = PyUnicode_AsUTF8String(rv);
             Py_DECREF(rv);
             rv = tmp;
         }
-#endif
     }
 
     return rv;

psycopg/adapter_asis.h

@@ -1,7 +1,7 @@
 /* adapter_asis.h - definition for the psycopg AsIs type wrapper
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_binary.c

@@ -1,7 +1,7 @@
 /* adapter_binary.c - Binary objects
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -76,15 +76,6 @@ binary_quote(binaryObject *self)
         buffer_len = view.len;
     }
 
-#if PY_2
-    if (!buffer && (Bytes_Check(self->wrapped) || PyBuffer_Check(self->wrapped))) {
-        if (PyObject_AsReadBuffer(self->wrapped, (const void **)&buffer,
-                                  &buffer_len) < 0) {
-            goto exit;
-        }
-    }
-#endif
-
     if (!buffer) {
         goto exit;
     }

psycopg/adapter_binary.h

@@ -1,7 +1,7 @@
 /* adapter_binary.h - definition for the Binary type
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_datetime.c

@@ -1,7 +1,7 @@
 /* adapter_datetime.c - python date/time objects
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -423,8 +423,8 @@ psyco_TimeFromTicks(PyObject *self, PyObject *args)
 PyObject *
 psyco_TimestampFromTicks(PyObject *self, PyObject *args)
 {
-    PyObject *m = NULL;
-    PyObject *tz = NULL;
+    pydatetimeObject *wrapper = NULL;
+    PyObject *dt_aware = NULL;
     PyObject *res = NULL;
     struct tm tm;
     time_t t;
@@ -433,10 +433,6 @@ psyco_TimestampFromTicks(PyObject *self, PyObject *args)
     if (!PyArg_ParseTuple(args, "d", &ticks))
         return NULL;
 
-    /* get psycopg2.tz.LOCAL from pythonland */
-    if (!(m = PyImport_ImportModule("psycopg2.tz"))) { goto exit; }
-    if (!(tz = PyObject_GetAttrString(m, "LOCAL"))) { goto exit; }
-
     t = (time_t)floor(ticks);
     ticks -= (double)t;
     if (!localtime_r(&t, &tm)) {
@@ -444,14 +440,29 @@ psyco_TimestampFromTicks(PyObject *self, PyObject *args)
         goto exit;
     }
 
-    res = _psyco_Timestamp(
-        tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
-        tm.tm_hour, tm.tm_min, (double)tm.tm_sec + ticks,
-        tz);
+    /* Convert the tm to a wrapper containing a naive datetime.datetime */
+    if (!(wrapper = (pydatetimeObject *)_psyco_Timestamp(
+            tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+            tm.tm_hour, tm.tm_min, (double)tm.tm_sec + ticks, NULL))) {
+        goto exit;
+    }
+
+    /* Localize the datetime and assign it back to the wrapper */
+    if (!(dt_aware = PyObject_CallMethod(
+            wrapper->wrapped, "astimezone", NULL))) {
+        goto exit;
+    }
+    Py_CLEAR(wrapper->wrapped);
+    wrapper->wrapped = dt_aware;
+    dt_aware = NULL;
+
+    /* the wrapper is ready to be returned */
+    res = (PyObject *)wrapper;
+    wrapper = NULL;
 
 exit:
-    Py_XDECREF(tz);
-    Py_XDECREF(m);
+    Py_XDECREF(dt_aware);
+    Py_XDECREF(wrapper);
     return res;
 }
 

psycopg/adapter_datetime.h

@@ -1,7 +1,7 @@
 /* adapter_datetime.h - definition for the python date/time types
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_list.c

@@ -1,7 +1,7 @@
 /* adapter_list.c - python list objects
  *
  * Copyright (C) 2004-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_list.h

@@ -1,7 +1,7 @@
 /* adapter_list.h - definition for the python list types
  *
  * Copyright (C) 2004-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_mxdatetime.c

@@ -1,302 +0,0 @@
-/* adapter_mxdatetime.c - mx date/time objects
- *
- * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
- *
- * This file is part of psycopg.
- *
- * psycopg2 is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders give
- * permission to link this program with the OpenSSL library (or with
- * modified versions of OpenSSL that use the same license as OpenSSL),
- * and distribute linked combinations including the two.
- *
- * You must obey the GNU Lesser General Public License in all respects for
- * all of the code used other than OpenSSL.
- *
- * psycopg2 is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
- * License for more details.
- */
-
-#define PSYCOPG_MODULE
-#include "psycopg/psycopg.h"
-
-#include "psycopg/adapter_mxdatetime.h"
-#include "psycopg/microprotocols_proto.h"
-
-#include <mxDateTime.h>
-#include <string.h>
-
-
-/* Return 0 on success, -1 on failure, but don't set an exception */
-
-int
-psyco_adapter_mxdatetime_init(void)
-{
-    if (mxDateTime_ImportModuleAndAPI()) {
-        Dprintf("psyco_adapter_mxdatetime_init: mx.DateTime initialization failed");
-        PyErr_Clear();
-        return -1;
-    }
-    return 0;
-}
-
-
-/* mxdatetime_str, mxdatetime_getquoted - return result of quoting */
-
-static PyObject *
-mxdatetime_str(mxdatetimeObject *self)
-{
-    mxDateTimeObject *dt;
-    mxDateTimeDeltaObject *dtd;
-    char buf[128] = { 0, };
-
-    switch (self->type) {
-
-    case PSYCO_MXDATETIME_DATE:
-        dt = (mxDateTimeObject *)self->wrapped;
-        if (dt->year >= 1)
-            PyOS_snprintf(buf, sizeof(buf) - 1, "'%04ld-%02d-%02d'::date",
-                          dt->year, (int)dt->month, (int)dt->day);
-        else
-            PyOS_snprintf(buf, sizeof(buf) - 1, "'%04ld-%02d-%02d BC'::date",
-                          1 - dt->year, (int)dt->month, (int)dt->day);
-        break;
-
-    case PSYCO_MXDATETIME_TIMESTAMP:
-        dt = (mxDateTimeObject *)self->wrapped;
-        if (dt->year >= 1)
-            PyOS_snprintf(buf, sizeof(buf) - 1,
-                          "'%04ld-%02d-%02dT%02d:%02d:%09.6f'::timestamp",
-                          dt->year, (int)dt->month, (int)dt->day,
-                          (int)dt->hour, (int)dt->minute, dt->second);
-        else
-            PyOS_snprintf(buf, sizeof(buf) - 1,
-                          "'%04ld-%02d-%02dT%02d:%02d:%09.6f BC'::timestamp",
-                          1 - dt->year, (int)dt->month, (int)dt->day,
-                          (int)dt->hour, (int)dt->minute, dt->second);
-        break;
-
-    case PSYCO_MXDATETIME_TIME:
-    case PSYCO_MXDATETIME_INTERVAL:
-        /* given the limitation of the mx.DateTime module that uses the same
-           type for both time and delta values we need to do some black magic
-           and make sure we're not using an adapt()ed interval as a simple
-           time */
-        dtd = (mxDateTimeDeltaObject *)self->wrapped;
-        if (0 <= dtd->seconds && dtd->seconds < 24*3600) {
-            PyOS_snprintf(buf, sizeof(buf) - 1, "'%02d:%02d:%09.6f'::time",
-                          (int)dtd->hour, (int)dtd->minute, dtd->second);
-        } else {
-            double ss = dtd->hour*3600.0 + dtd->minute*60.0 + dtd->second;
-
-            if (dtd->seconds >= 0)
-                PyOS_snprintf(buf, sizeof(buf) - 1, "'%ld days %.6f seconds'::interval",
-                              dtd->day, ss);
-            else
-                PyOS_snprintf(buf, sizeof(buf) - 1, "'-%ld days -%.6f seconds'::interval",
-                              dtd->day, ss);
-        }
-        break;
-    }
-
-    return PyString_FromString(buf);
-}
-
-static PyObject *
-mxdatetime_getquoted(mxdatetimeObject *self, PyObject *args)
-{
-    return mxdatetime_str(self);
-}
-
-static PyObject *
-mxdatetime_conform(mxdatetimeObject *self, PyObject *args)
-{
-    PyObject *res, *proto;
-
-    if (!PyArg_ParseTuple(args, "O", &proto)) return NULL;
-
-    if (proto == (PyObject*)&isqlquoteType)
-        res = (PyObject*)self;
-    else
-        res = Py_None;
-
-    Py_INCREF(res);
-    return res;
-}
-
-/** the MxDateTime object **/
-
-/* object member list */
-
-static struct PyMemberDef mxdatetimeObject_members[] = {
-    {"adapted", T_OBJECT, offsetof(mxdatetimeObject, wrapped), READONLY},
-    {"type", T_INT, offsetof(mxdatetimeObject, type), READONLY},
-    {NULL}
-};
-
-/* object method table */
-
-static PyMethodDef mxdatetimeObject_methods[] = {
-    {"getquoted", (PyCFunction)mxdatetime_getquoted, METH_NOARGS,
-     "getquoted() -> wrapped object value as SQL date/time"},
-    {"__conform__", (PyCFunction)mxdatetime_conform, METH_VARARGS, NULL},
-    {NULL}  /* Sentinel */
-};
-
-/* initialization and finalization methods */
-
-static int
-mxdatetime_setup(mxdatetimeObject *self, PyObject *obj, int type)
-{
-    Dprintf("mxdatetime_setup: init mxdatetime object at %p, refcnt = "
-        FORMAT_CODE_PY_SSIZE_T,
-        self, Py_REFCNT(self)
-      );
-
-    self->type = type;
-    Py_INCREF(obj);
-    self->wrapped = obj;
-
-    Dprintf("mxdatetime_setup: good mxdatetime object at %p, refcnt = "
-        FORMAT_CODE_PY_SSIZE_T,
-        self, Py_REFCNT(self)
-      );
-    return 0;
-}
-
-static void
-mxdatetime_dealloc(PyObject* obj)
-{
-    mxdatetimeObject *self = (mxdatetimeObject *)obj;
-
-    Py_CLEAR(self->wrapped);
-
-    Dprintf("mxdatetime_dealloc: deleted mxdatetime object at %p, refcnt = "
-        FORMAT_CODE_PY_SSIZE_T,
-        obj, Py_REFCNT(obj)
-      );
-
-    Py_TYPE(obj)->tp_free(obj);
-}
-
-static int
-mxdatetime_init(PyObject *obj, PyObject *args, PyObject *kwds)
-{
-    PyObject *mx;
-    int type = -1; /* raise an error if type was not passed! */
-
-    if (!PyArg_ParseTuple(args, "O|i", &mx, &type))
-        return -1;
-
-    return mxdatetime_setup((mxdatetimeObject *)obj, mx, type);
-}
-
-static PyObject *
-mxdatetime_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
-    return type->tp_alloc(type, 0);
-}
-
-
-/* object type */
-
-#define mxdatetimeType_doc \
-"MxDateTime(mx, type) -> new mx.DateTime wrapper object"
-
-PyTypeObject mxdatetimeType = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    "psycopg2._psycopg.MxDateTime",
-    sizeof(mxdatetimeObject), 0,
-    mxdatetime_dealloc, /*tp_dealloc*/
-    0,          /*tp_print*/
-    0,          /*tp_getattr*/
-    0,          /*tp_setattr*/
-    0,          /*tp_compare*/
-    0,          /*tp_repr*/
-    0,          /*tp_as_number*/
-    0,          /*tp_as_sequence*/
-    0,          /*tp_as_mapping*/
-    0,          /*tp_hash */
-    0,          /*tp_call*/
-    (reprfunc)mxdatetime_str, /*tp_str*/
-    0,          /*tp_getattro*/
-    0,          /*tp_setattro*/
-    0,          /*tp_as_buffer*/
-    Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /*tp_flags*/
-    mxdatetimeType_doc, /*tp_doc*/
-    0,          /*tp_traverse*/
-    0,          /*tp_clear*/
-    0,          /*tp_richcompare*/
-    0,          /*tp_weaklistoffset*/
-    0,          /*tp_iter*/
-    0,          /*tp_iternext*/
-    mxdatetimeObject_methods, /*tp_methods*/
-    mxdatetimeObject_members, /*tp_members*/
-    0,          /*tp_getset*/
-    0,          /*tp_base*/
-    0,          /*tp_dict*/
-    0,          /*tp_descr_get*/
-    0,          /*tp_descr_set*/
-    0,          /*tp_dictoffset*/
-    mxdatetime_init, /*tp_init*/
-    0,          /*tp_alloc*/
-    mxdatetime_new, /*tp_new*/
-};
-
-
-/** module-level functions **/
-
-PyObject *
-psyco_DateFromMx(PyObject *self, PyObject *args)
-{
-    PyObject *mx;
-
-    if (!PyArg_ParseTuple(args, "O!", mxDateTime.DateTime_Type, &mx))
-        return NULL;
-
-    return PyObject_CallFunction((PyObject *)&mxdatetimeType, "Oi", mx,
-                                 PSYCO_MXDATETIME_DATE);
-}
-
-PyObject *
-psyco_TimeFromMx(PyObject *self, PyObject *args)
-{
-    PyObject *mx;
-
-    if (!PyArg_ParseTuple(args, "O!", mxDateTime.DateTimeDelta_Type, &mx))
-        return NULL;
-
-    return PyObject_CallFunction((PyObject *)&mxdatetimeType, "Oi", mx,
-                                 PSYCO_MXDATETIME_TIME);
-}
-
-PyObject *
-psyco_TimestampFromMx(PyObject *self, PyObject *args)
-{
-    PyObject *mx;
-
-    if (!PyArg_ParseTuple(args, "O!", mxDateTime.DateTime_Type, &mx))
-        return NULL;
-
-    return PyObject_CallFunction((PyObject *)&mxdatetimeType, "Oi", mx,
-                                 PSYCO_MXDATETIME_TIMESTAMP);
-}
-
-PyObject *
-psyco_IntervalFromMx(PyObject *self, PyObject *args)
-{
-    PyObject *mx;
-
-    if (!PyArg_ParseTuple(args, "O!", mxDateTime.DateTime_Type, &mx))
-        return NULL;
-
-    return PyObject_CallFunction((PyObject *)&mxdatetimeType, "Oi", mx,
-                                 PSYCO_MXDATETIME_INTERVAL);
-}

psycopg/adapter_mxdatetime.h

@@ -1,70 +0,0 @@
-/* adapter_mxdatetime.h - definition for the mx date/time types
- *
- * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
- *
- * This file is part of psycopg.
- *
- * psycopg2 is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * In addition, as a special exception, the copyright holders give
- * permission to link this program with the OpenSSL library (or with
- * modified versions of OpenSSL that use the same license as OpenSSL),
- * and distribute linked combinations including the two.
- *
- * You must obey the GNU Lesser General Public License in all respects for
- * all of the code used other than OpenSSL.
- *
- * psycopg2 is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
- * License for more details.
- */
-
-#ifndef PSYCOPG_MXDATETIME_H
-#define PSYCOPG_MXDATETIME_H 1
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-extern HIDDEN PyTypeObject mxdatetimeType;
-
-typedef struct {
-    PyObject_HEAD
-
-    PyObject *wrapped;
-    int       type;
-#define       PSYCO_MXDATETIME_TIME       0
-#define       PSYCO_MXDATETIME_DATE       1
-#define       PSYCO_MXDATETIME_TIMESTAMP  2
-#define       PSYCO_MXDATETIME_INTERVAL   3
-
-} mxdatetimeObject;
-
-HIDDEN int psyco_adapter_mxdatetime_init(void);
-
-HIDDEN PyObject *psyco_DateFromMx(PyObject *module, PyObject *args);
-#define psyco_DateFromMx_doc \
-    "DateFromMx(mx) -> new date"
-
-HIDDEN PyObject *psyco_TimeFromMx(PyObject *module, PyObject *args);
-#define psyco_TimeFromMx_doc \
-    "TimeFromMx(mx) -> new time"
-
-HIDDEN PyObject *psyco_TimestampFromMx(PyObject *module, PyObject *args);
-#define psyco_TimestampFromMx_doc \
-    "TimestampFromMx(mx) -> new timestamp"
-
-HIDDEN PyObject *psyco_IntervalFromMx(PyObject *module, PyObject *args);
-#define psyco_IntervalFromMx_doc \
-    "IntervalFromMx(mx) -> new interval"
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !defined(PSYCOPG_MXDATETIME_H) */

psycopg/adapter_pboolean.c

@@ -1,7 +1,7 @@
 /* adapter_pboolean.c - psycopg boolean type wrapper implementation
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_pboolean.h

@@ -1,7 +1,7 @@
 /* adapter_pboolean.h - definition for the psycopg boolean type wrapper
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_pdecimal.c

@@ -1,7 +1,7 @@
 /* adapter_pdecimal.c - psycopg Decimal type wrapper implementation
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -81,8 +81,7 @@ pdecimal_getquoted(pdecimalObject *self, PyObject *args)
     /* res may be unicode and may suffer for issue #57 */
 output:
 
-#if PY_3
-    /* unicode to bytes in Py3 */
+    /* unicode to bytes */
     {
         PyObject *tmp = PyUnicode_AsUTF8String(res);
         Py_DECREF(res);
@@ -90,7 +89,6 @@ output:
             goto end;
         }
     }
-#endif
 
     if ('-' == Bytes_AS_STRING(res)[0]) {
         /* Prepend a space in front of negative numbers (ticket #57) */

psycopg/adapter_pdecimal.h

@@ -1,7 +1,7 @@
 /* adapter_pdecimal.h - definition for the psycopg Decimal type wrapper
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_pfloat.c

@@ -1,7 +1,7 @@
 /* adapter_float.c - psycopg pfloat type wrapper implementation
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -54,8 +54,7 @@ pfloat_getquoted(pfloatObject *self, PyObject *args)
             goto exit;
         }
 
-#if PY_3
-        /* unicode to bytes in Py3 */
+        /* unicode to bytes */
         {
             PyObject *tmp = PyUnicode_AsUTF8String(rv);
             Py_DECREF(rv);
@@ -63,7 +62,6 @@ pfloat_getquoted(pfloatObject *self, PyObject *args)
                 goto exit;
             }
         }
-#endif
 
         if ('-' == Bytes_AS_STRING(rv)[0]) {
             /* Prepend a space in front of negative numbers (ticket #57) */

psycopg/adapter_pfloat.h

@@ -1,7 +1,7 @@
 /* adapter_pfloat.h - definition for the psycopg float type wrapper
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_pint.c

@@ -1,7 +1,7 @@
 /* adapter_int.c - psycopg pint type wrapper implementation
  *
  * Copyright (C) 2011-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -40,11 +40,7 @@ pint_getquoted(pintObject *self, PyObject *args)
 
     /* Convert subclass to int to handle IntEnum and other subclasses
      * whose str() is not the number. */
-    if (PyLong_CheckExact(self->wrapped)
-#if PY_2
-        || PyInt_CheckExact(self->wrapped)
-#endif
-       ) {
+    if (PyLong_CheckExact(self->wrapped)) {
         res = PyObject_Str(self->wrapped);
     } else {
         PyObject *tmp;
@@ -60,8 +56,7 @@ pint_getquoted(pintObject *self, PyObject *args)
         goto exit;
     }
 
-#if PY_3
-    /* unicode to bytes in Py3 */
+    /* unicode to bytes */
     {
         PyObject *tmp = PyUnicode_AsUTF8String(res);
         Py_DECREF(res);
@@ -69,7 +64,6 @@ pint_getquoted(pintObject *self, PyObject *args)
             goto exit;
         }
     }
-#endif
 
     if ('-' == Bytes_AS_STRING(res)[0]) {
         /* Prepend a space in front of negative numbers (ticket #57) */

psycopg/adapter_pint.h

@@ -1,7 +1,7 @@
 /* adapter_pint.h - definition for the psycopg int type wrapper
  *
  * Copyright (C) 2011-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_qstring.c

@@ -1,7 +1,7 @@
 /* adapter_qstring.c - QuotedString objects
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/adapter_qstring.h

@@ -1,7 +1,7 @@
 /* adapter_qstring.h - definition for the QuotedString type
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/aix_support.c

@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2017 My Karlsson <mk@acc.umu.se>
  * Copyright (c) 2018, Joyent, Inc.
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/aix_support.h

@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2017 My Karlsson <mk@acc.umu.se>
  * Copyright (c) 2018-2019, Joyent, Inc.
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/bytes_format.c

@@ -1,7 +1,7 @@
 /* bytes_format.c - bytes-oriented version of PyString_Format
  *
  * Copyright (C) 2010-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/column.h

@@ -1,7 +1,7 @@
 /* column.h - definition for a column in cursor.description type
  *
  * Copyright (C) 2018-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/column_type.c

@@ -1,7 +1,7 @@
 /* column_type.c - python interface to cursor.description objects
  *
  * Copyright (C) 2018-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -97,17 +97,36 @@ column_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 static int
 column_init(columnObject *self, PyObject *args, PyObject *kwargs)
 {
+    PyObject *name = NULL;
+    PyObject *type_code = NULL;
+    PyObject *display_size = NULL;
+    PyObject *internal_size = NULL;
+    PyObject *precision = NULL;
+    PyObject *scale = NULL;
+    PyObject *null_ok = NULL;
+    PyObject *table_oid = NULL;
+    PyObject *table_column = NULL;
+
     static char *kwlist[] = {
         "name", "type_code", "display_size", "internal_size",
         "precision", "scale", "null_ok", "table_oid", "table_column", NULL};
 
     if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOOOOOOOO", kwlist,
-            &self->name, &self->type_code, &self->display_size,
-            &self->internal_size, &self->precision, &self->scale,
-            &self->null_ok, &self->table_oid, &self->table_column)) {
+            &name, &type_code, &display_size, &internal_size, &precision,
+            &scale, &null_ok, &table_oid, &table_column)) {
         return -1;
     }
 
+    Py_XINCREF(name); self->name = name;
+    Py_XINCREF(type_code); self->type_code = type_code;
+    Py_XINCREF(display_size); self->display_size = display_size;
+    Py_XINCREF(internal_size); self->internal_size = internal_size;
+    Py_XINCREF(precision); self->precision = precision;
+    Py_XINCREF(scale); self->scale = scale;
+    Py_XINCREF(null_ok); self->null_ok = null_ok;
+    Py_XINCREF(table_oid); self->table_oid = table_oid;
+    Py_XINCREF(table_column); self->table_column = table_column;
+
     return 0;
 }
 

psycopg/config.h

@@ -1,7 +1,7 @@
 /* config.h - general config and Dprintf macro
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/connection.h

@@ -1,7 +1,7 @@
 /* connection.h - definition for the psycopg connection type
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -145,6 +145,9 @@ struct connectionObject {
 
     /* the pid this connection was created into */
     pid_t procpid;
+
+    /* inside a with block */
+    int entered;
 };
 
 /* map isolation level values into a numeric const */

psycopg/connection_int.c

@@ -1,7 +1,7 @@
 /* connection_int.c - code used by the connection object
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -33,6 +33,7 @@
 #include "psycopg/green.h"
 #include "psycopg/notify.h"
 
+#include <stdlib.h>
 #include <string.h>
 
 /* String indexes match the ISOLATION_LEVEL_* consts */
@@ -1343,6 +1344,11 @@ conn_set_session(connectionObject *self, int autocommit,
         }
     }
 
+    Py_BLOCK_THREADS;
+    conn_notifies_process(self);
+    conn_notice_process(self);
+    Py_UNBLOCK_THREADS;
+
     if (autocommit != SRV_STATE_UNCHANGED) {
         self->autocommit = autocommit;
     }
@@ -1407,6 +1413,11 @@ conn_set_client_encoding(connectionObject *self, const char *pgenc)
         goto endlock;
     }
 
+    Py_BLOCK_THREADS;
+    conn_notifies_process(self);
+    conn_notice_process(self);
+    Py_UNBLOCK_THREADS;
+
 endlock:
     pthread_mutex_unlock(&self->lock);
     Py_END_ALLOW_THREADS;

psycopg/connection_type.c

@@ -1,7 +1,7 @@
 /* connection_type.c - python interface to connection objects
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -35,6 +35,7 @@
 #include "psycopg/green.h"
 #include "psycopg/xid.h"
 
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 
@@ -406,10 +407,22 @@ psyco_conn_tpc_recover(connectionObject *self, PyObject *dummy)
 static PyObject *
 psyco_conn_enter(connectionObject *self, PyObject *dummy)
 {
+    PyObject *rv = NULL;
+
     EXC_IF_CONN_CLOSED(self);
 
+    if (self->entered) {
+        PyErr_SetString(ProgrammingError,
+            "the connection cannot be re-entered recursively");
+        goto exit;
+    }
+
+    self->entered = 1;
     Py_INCREF(self);
-    return (PyObject *)self;
+    rv = (PyObject *)self;
+
+exit:
+    return rv;
 }
 
 
@@ -427,6 +440,9 @@ psyco_conn_exit(connectionObject *self, PyObject *args)
         goto exit;
     }
 
+    /* even if there will be an error, consider ourselves out */
+    self->entered = 0;
+
     if (type == Py_None) {
         if (!(tmp = PyObject_CallMethod((PyObject *)self, "commit", NULL))) {
             goto exit;

psycopg/conninfo.h

@@ -1,7 +1,7 @@
 /* connection.h - definition for the psycopg ConnectionInfo type
  *
  * Copyright (C) 2018-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/conninfo_type.c

@@ -1,7 +1,7 @@
 /* conninfo_type.c - present information about the libpq connection
  *
  * Copyright (C) 2018-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/cursor.h

@@ -1,7 +1,7 @@
 /* cursor.h - definition for the psycopg cursor type
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/cursor_int.c

@@ -1,7 +1,7 @@
 /* cursor_int.c - code used by the cursor object
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/cursor_type.c

@@ -1,7 +1,7 @@
 /* cursor_type.c - python interface to cursor objects
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -768,7 +768,7 @@ curs_fetchone(cursorObject *self, PyObject *dummy)
     Dprintf("curs_fetchone: rowcount = %ld", self->rowcount);
 
     if (self->row >= self->rowcount) {
-        /* we exausted available data: return None */
+        /* we exhausted available data: return None */
         Py_RETURN_NONE;
     }
 
@@ -1133,7 +1133,7 @@ exit:
             }
         }
     }
-    PyMem_Del(scpnames);
+    PyMem_Free(scpnames);
     Py_XDECREF(pname);
     Py_XDECREF(pnames);
     Py_XDECREF(operation);
@@ -1303,11 +1303,9 @@ exit:
 /* Return a newly allocated buffer containing the list of columns to be
  * copied. On error return NULL and set an exception.
  */
-static char *_psyco_curs_copy_columns(PyObject *columns)
+static char *_psyco_curs_copy_columns(cursorObject *self, PyObject *columns)
 {
     PyObject *col, *coliter;
-    Py_ssize_t collen;
-    char *colname;
     char *columnlist = NULL;
     Py_ssize_t bufsize = 512;
     Py_ssize_t offset = 1;
@@ -1333,15 +1331,28 @@ static char *_psyco_curs_copy_columns(PyObject *columns)
     columnlist[0] = '(';
 
     while ((col = PyIter_Next(coliter)) != NULL) {
+        Py_ssize_t collen;
+        char *colname;
+        char *quoted_colname;
+
         if (!(col = psyco_ensure_bytes(col))) {
             Py_DECREF(coliter);
             goto error;
         }
         Bytes_AsStringAndSize(col, &colname, &collen);
+        if (!(quoted_colname = psyco_escape_identifier(
+                self->conn, colname, collen))) {
+            Py_DECREF(col);
+            Py_DECREF(coliter);
+            goto error;
+        }
+        collen = strlen(quoted_colname);
+
         while (offset + collen > bufsize - 2) {
             char *tmp;
             bufsize *= 2;
             if (NULL == (tmp = PyMem_Realloc(columnlist, bufsize))) {
+                PQfreemem(quoted_colname);
                 Py_DECREF(col);
                 Py_DECREF(coliter);
                 PyErr_NoMemory();
@@ -1349,10 +1360,11 @@ static char *_psyco_curs_copy_columns(PyObject *columns)
             }
             columnlist = tmp;
         }
-        strncpy(&columnlist[offset], colname, collen);
+        strncpy(&columnlist[offset], quoted_colname, collen);
         offset += collen;
         columnlist[offset++] = ',';
         Py_DECREF(col);
+        PQfreemem(quoted_colname);
     }
     Py_DECREF(coliter);
 
@@ -1399,8 +1411,9 @@ curs_copy_from(cursorObject *self, PyObject *args, PyObject *kwargs)
     char *columnlist = NULL;
     char *quoted_delimiter = NULL;
     char *quoted_null = NULL;
-
+    char *quoted_table_name = NULL;
     const char *table_name;
+
     Py_ssize_t bufsize = DEFAULT_COPYBUFF;
     PyObject *file, *columns = NULL, *res = NULL;
 
@@ -1421,8 +1434,9 @@ curs_copy_from(cursorObject *self, PyObject *args, PyObject *kwargs)
     EXC_IF_GREEN(copy_from);
     EXC_IF_TPC_PREPARED(self->conn, copy_from);
 
-    if (NULL == (columnlist = _psyco_curs_copy_columns(columns)))
+    if (!(columnlist = _psyco_curs_copy_columns(self, columns))) {
         goto exit;
+    }
 
     if (!(quoted_delimiter = psyco_escape_string(
             self->conn, sep, -1, NULL, NULL))) {
@@ -1434,7 +1448,12 @@ curs_copy_from(cursorObject *self, PyObject *args, PyObject *kwargs)
         goto exit;
     }
 
-    query_size = strlen(command) + strlen(table_name) + strlen(columnlist)
+    if (!(quoted_table_name = psyco_escape_identifier(
+            self->conn, table_name, -1))) {
+        goto exit;
+    }
+
+    query_size = strlen(command) + strlen(quoted_table_name) + strlen(columnlist)
         + strlen(quoted_delimiter) + strlen(quoted_null) + 1;
     if (!(query = PyMem_New(char, query_size))) {
         PyErr_NoMemory();
@@ -1442,7 +1461,7 @@ curs_copy_from(cursorObject *self, PyObject *args, PyObject *kwargs)
     }
 
     PyOS_snprintf(query, query_size, command,
-        table_name, columnlist, quoted_delimiter, quoted_null);
+        quoted_table_name, columnlist, quoted_delimiter, quoted_null);
 
     Dprintf("curs_copy_from: query = %s", query);
 
@@ -1469,6 +1488,9 @@ curs_copy_from(cursorObject *self, PyObject *args, PyObject *kwargs)
     Py_CLEAR(self->copyfile);
 
 exit:
+    if (quoted_table_name) {
+        PQfreemem(quoted_table_name);
+    }
     PyMem_Free(columnlist);
     PyMem_Free(quoted_delimiter);
     PyMem_Free(quoted_null);
@@ -1499,6 +1521,7 @@ curs_copy_to(cursorObject *self, PyObject *args, PyObject *kwargs)
     char *quoted_null = NULL;
 
     const char *table_name;
+    char *quoted_table_name = NULL;
     PyObject *file = NULL, *columns = NULL, *res = NULL;
 
     if (!PyArg_ParseTupleAndKeywords(
@@ -1518,8 +1541,14 @@ curs_copy_to(cursorObject *self, PyObject *args, PyObject *kwargs)
     EXC_IF_GREEN(copy_to);
     EXC_IF_TPC_PREPARED(self->conn, copy_to);
 
-    if (NULL == (columnlist = _psyco_curs_copy_columns(columns)))
+    if (!(quoted_table_name = psyco_escape_identifier(
+            self->conn, table_name, -1))) {
         goto exit;
+    }
+
+    if (!(columnlist = _psyco_curs_copy_columns(self, columns))) {
+        goto exit;
+    }
 
     if (!(quoted_delimiter = psyco_escape_string(
             self->conn, sep, -1, NULL, NULL))) {
@@ -1531,7 +1560,7 @@ curs_copy_to(cursorObject *self, PyObject *args, PyObject *kwargs)
         goto exit;
     }
 
-    query_size = strlen(command) + strlen(table_name) + strlen(columnlist)
+    query_size = strlen(command) + strlen(quoted_table_name) + strlen(columnlist)
         + strlen(quoted_delimiter) + strlen(quoted_null) + 1;
     if (!(query = PyMem_New(char, query_size))) {
         PyErr_NoMemory();
@@ -1539,7 +1568,7 @@ curs_copy_to(cursorObject *self, PyObject *args, PyObject *kwargs)
     }
 
     PyOS_snprintf(query, query_size, command,
-        table_name, columnlist, quoted_delimiter, quoted_null);
+        quoted_table_name, columnlist, quoted_delimiter, quoted_null);
 
     Dprintf("curs_copy_to: query = %s", query);
 
@@ -1560,6 +1589,9 @@ curs_copy_to(cursorObject *self, PyObject *args, PyObject *kwargs)
     Py_CLEAR(self->copyfile);
 
 exit:
+    if (quoted_table_name) {
+        PQfreemem(quoted_table_name);
+    }
     PyMem_Free(columnlist);
     PyMem_Free(quoted_delimiter);
     PyMem_Free(quoted_null);
@@ -1919,10 +1951,11 @@ cursor_setup(cursorObject *self, connectionObject *conn, const char *name)
 
     /* default tzinfo factory */
     {
+        /* The datetime api doesn't seem to have a constructor to make a
+         * datetime.timezone, so use the Python interface. */
         PyObject *m = NULL;
-        if ((m = PyImport_ImportModule("psycopg2.tz"))) {
-            self->tzinfo_factory = PyObject_GetAttrString(
-                    m, "FixedOffsetTimezone");
+        if ((m = PyImport_ImportModule("datetime"))) {
+            self->tzinfo_factory = PyObject_GetAttrString(m, "timezone");
             Py_DECREF(m);
         }
         if (!self->tzinfo_factory) {

psycopg/diagnostics.h

@@ -1,7 +1,7 @@
 /* diagnostics.c - definition for the psycopg Diagnostics type
  *
  * Copyright (C) 2013-2019 Matthew Woodcraft <matthew@woodcraft.me.uk>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/diagnostics_type.c

@@ -1,7 +1,7 @@
 /* diagnostics.c - present information from libpq error responses
  *
  * Copyright (C) 2013-2019 Matthew Woodcraft <matthew@woodcraft.me.uk>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/error.h

@@ -1,7 +1,7 @@
 /* error.h - definition for the psycopg base Error type
  *
  * Copyright (C) 2013-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/error_type.c

@@ -1,7 +1,7 @@
 /* error_type.c - python interface to the Error objects
  *
  * Copyright (C) 2013-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -65,6 +65,8 @@ base_exception_from_sqlstate(const char *sqlstate)
     switch (sqlstate[0]) {
     case '0':
         switch (sqlstate[1]) {
+        case '8': /* Class 08 - Connection Exception */
+            return OperationalError;
         case 'A': /* Class 0A - Feature Not Supported */
             return NotSupportedError;
         }

psycopg/green.c

@@ -1,7 +1,7 @@
 /* green.c - cooperation with coroutine libraries.
  *
  * Copyright (C) 2010-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/green.h

@@ -1,7 +1,7 @@
 /* green.c - cooperation with coroutine libraries.
  *
  * Copyright (C) 2010-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/libpq_support.c

@@ -3,7 +3,7 @@
  * streaming replication
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -38,6 +38,7 @@
 #include "psycopg/win32_support.h"
 #else
 #include <arpa/inet.h>
+#include <sys/time.h>
 #endif
 
 /* support routines taken from pg_basebackup/streamutil.c */

psycopg/libpq_support.h

@@ -1,7 +1,7 @@
 /* libpq_support.h - definitions for libpq_support.c
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/lobject.h

@@ -1,7 +1,7 @@
 /* lobject.h - definition for the psycopg lobject type
  *
  * Copyright (C) 2006-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/lobject_int.c

@@ -1,7 +1,7 @@
 /* lobject_int.c - code used by the lobject object
  *
  * Copyright (C) 2006-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -85,11 +85,7 @@ _lobject_parse_mode(const char *mode)
             pos += 1;
             break;
         default:
-#if PY_2
-            rv |= LOBJECT_BINARY;
-#else
             rv |= LOBJECT_TEXT;
-#endif
             break;
     }
 

psycopg/lobject_type.c

@@ -1,7 +1,7 @@
 /* lobject_type.c - python interface to lobject objects
  *
  * Copyright (C) 2006-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -64,7 +64,7 @@ psyco_lobj_close(lobjectObject *self, PyObject *args)
 /* write method - write data to the lobject */
 
 #define psyco_lobj_write_doc \
-"write(str) -- Write a string to the large object."
+"write(str | bytes) -- Write a string or bytes to the large object."
 
 static PyObject *
 psyco_lobj_write(lobjectObject *self, PyObject *args)

psycopg/microprotocols.c

@@ -1,7 +1,7 @@
 /* microprotocols.c - minimalist and non-validating protocols implementation
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -92,11 +92,7 @@ _get_superclass_adapter(PyObject *obj, PyObject *proto)
     Py_ssize_t i, ii;
 
     type = Py_TYPE(obj);
-    if (!(
-#if PY_2
-        (Py_TPFLAGS_HAVE_CLASS & type->tp_flags) &&
-#endif
-        type->tp_mro)) {
+    if (!(type->tp_mro)) {
         /* has no mro */
         return Py_None;
     }

psycopg/microprotocols.h

@@ -1,7 +1,7 @@
 /* microprotocols.c - definitions for minimalist and non-validating protocols
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/microprotocols_proto.c

@@ -1,7 +1,7 @@
 /* microprotocol_proto.c - psycopg protocols
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/microprotocols_proto.h

@@ -1,7 +1,7 @@
 /* microporotocols_proto.h - definition for psycopg's protocols
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/notify.h

@@ -1,7 +1,7 @@
 /* notify.h - definition for the psycopg Notify type
  *
  * Copyright (C) 2010-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/notify_type.c

@@ -1,7 +1,7 @@
 /* notify_type.c - python interface to Notify objects
  *
  * Copyright (C) 2010-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *

psycopg/pqpath.c

@@ -1,7 +1,7 @@
 /* pqpath.c - single path into libpq
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *
@@ -47,6 +47,7 @@
 #include "psycopg/libpq_support.h"
 #include "libpq-fe.h"
 
+#include <stdlib.h>
 #ifdef _WIN32
 /* select() */
 #include <winsock2.h>
@@ -347,14 +348,19 @@ pq_begin_locked(connectionObject *conn, PyThreadState **tstate)
     char buf[256];  /* buf size must be same as bufsize */
     int result;
 
-    Dprintf("pq_begin_locked: pgconn = %p, autocommit = %d, status = %d",
+    Dprintf("pq_begin_locked: pgconn = %p, %d, status = %d",
             conn->pgconn, conn->autocommit, conn->status);
 
-    if (conn->autocommit || conn->status != CONN_STATUS_READY) {
+    if (conn->status != CONN_STATUS_READY) {
         Dprintf("pq_begin_locked: transaction in progress");
         return 0;
     }
 
+    if (conn->autocommit && !conn->entered) {
+        Dprintf("pq_begin_locked: autocommit and no with block");
+        return 0;
+    }
+
     if (conn->isolevel == ISOLATION_LEVEL_DEFAULT
             && conn->readonly == STATE_DEFAULT
             && conn->deferrable == STATE_DEFAULT) {
@@ -393,10 +399,10 @@ pq_commit(connectionObject *conn)
     Py_BEGIN_ALLOW_THREADS;
     pthread_mutex_lock(&conn->lock);
 
-    Dprintf("pq_commit: pgconn = %p, autocommit = %d, status = %d",
-            conn->pgconn, conn->autocommit, conn->status);
+    Dprintf("pq_commit: pgconn = %p, status = %d",
+            conn->pgconn, conn->status);
 
-    if (conn->autocommit || conn->status != CONN_STATUS_BEGIN) {
+    if (conn->status != CONN_STATUS_BEGIN) {
         Dprintf("pq_commit: no transaction to commit");
         retvalue = 0;
     }
@@ -406,6 +412,7 @@ pq_commit(connectionObject *conn)
     }
 
     Py_BLOCK_THREADS;
+    conn_notifies_process(conn);
     conn_notice_process(conn);
     Py_UNBLOCK_THREADS;
 
@@ -427,10 +434,10 @@ pq_abort_locked(connectionObject *conn, PyThreadState **tstate)
 {
     int retvalue = -1;
 
-    Dprintf("pq_abort_locked: pgconn = %p, autocommit = %d, status = %d",
-            conn->pgconn, conn->autocommit, conn->status);
+    Dprintf("pq_abort_locked: pgconn = %p, status = %d",
+            conn->pgconn, conn->status);
 
-    if (conn->autocommit || conn->status != CONN_STATUS_BEGIN) {
+    if (conn->status != CONN_STATUS_BEGIN) {
         Dprintf("pq_abort_locked: no transaction to abort");
         return 0;
     }
@@ -462,6 +469,7 @@ pq_abort(connectionObject *conn)
     retvalue = pq_abort_locked(conn, &_save);
 
     Py_BLOCK_THREADS;
+    conn_notifies_process(conn);
     conn_notice_process(conn);
     Py_UNBLOCK_THREADS;
 
@@ -488,12 +496,12 @@ pq_reset_locked(connectionObject *conn, PyThreadState **tstate)
 {
     int retvalue = -1;
 
-    Dprintf("pq_reset_locked: pgconn = %p, autocommit = %d, status = %d",
-            conn->pgconn, conn->autocommit, conn->status);
+    Dprintf("pq_reset_locked: pgconn = %p, status = %d",
+            conn->pgconn, conn->status);
 
     conn->mark += 1;
 
-    if (!conn->autocommit && conn->status == CONN_STATUS_BEGIN) {
+    if (conn->status == CONN_STATUS_BEGIN) {
         retvalue = pq_execute_command_locked(conn, "ABORT", tstate);
         if (retvalue != 0) return retvalue;
     }
@@ -532,6 +540,7 @@ pq_reset(connectionObject *conn)
 
     Py_BLOCK_THREADS;
     conn_notice_process(conn);
+    conn_notifies_process(conn);
     Py_UNBLOCK_THREADS;
 
     pthread_mutex_unlock(&conn->lock);

psycopg/pqpath.h

@@ -1,7 +1,7 @@
 /* pqpath.h - definitions for pqpath.c
  *
  * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
- * Copyright (C) 2020 The Psycopg Team
+ * Copyright (C) 2020-2021 The Psycopg Team
  *
  * This file is part of psycopg.
  *