mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
Added table of sqlstate exceptions in the docs
Note that the column-spanning cells break text docs. I don't think anybody cares about them, so going to drop them.
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.gitignore
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4
.gitignore
vendored
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@ -7,10 +7,6 @@ MANIFEST
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*.egg-info/
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dist/*
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build/*
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doc/src/_build/*
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doc/html/*
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doc/psycopg2.txt
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scripts/pypi_docs_upload.py
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env
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env?
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.idea
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5
doc/.gitignore
vendored
Normal file
5
doc/.gitignore
vendored
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@ -0,0 +1,5 @@
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env
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src/_build/*
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html/*
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psycopg2.txt
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src/sqlstate_errors.rst
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@ -13,16 +13,19 @@ PYTHON_VERSION ?= $(shell $(PYTHON) -c 'import sys; print ("%d.%d" % sys.version
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SPHINXBUILD ?= $$(pwd)/env/bin/sphinx-build
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SPHOPTS = PYTHONPATH=$$(pwd)/../build/lib.$(PYTHON_VERSION)/ SPHINXBUILD=$(SPHINXBUILD)
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html:
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html: src/sqlstate_errors.rst
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$(MAKE) PYTHON=$(PYTHON) -C .. package
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$(MAKE) $(SPHOPTS) -C src $@
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cp -r src/_build/html .
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text:
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text: src/sqlstate_errors.rst
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$(MAKE) PYTHON=$(PYTHON) -C .. package
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$(MAKE) $(SPHOPTS) -C src $@
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cd src && tools/stitch_text.py index.rst _build/text > ../psycopg2.txt
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src/sqlstate_errors.rst: ../psycopg/sqlstate_errors.h
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PYTHONPATH=`pwd`/../build/lib.$(PYTHON_VERSION) $(PYTHON) src/tools/make_sqlstate_docs.py $< > $@
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doctest:
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$(MAKE) PYTHON=$(PYTHON) -C .. package
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$(MAKE) $(SPHOPTS) -C src $@
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@ -33,7 +36,7 @@ upload:
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clean:
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$(MAKE) $(SPHOPTS) -C src $@
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rm -rf html psycopg2.txt
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rm -rf html psycopg2.txt src/sqlstate_errors.rst
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env: requirements.txt
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virtualenv env
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@ -54,10 +54,6 @@ idiomatic error handler:
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except psycopg2.errors.LockNotAvailable:
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locked = True
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For completeness, the module also exposes all the :ref:`DB-API-defined
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exceptions <dbapi-exceptions>` and :ref:`a few psycopg-specific ones
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<extension-exceptions>` exposed by the `!extensions` module. One stop shop
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for all your mistakes...
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.. autofunction:: lookup
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@ -67,3 +63,17 @@ for all your mistakes...
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cur.execute("LOCK TABLE mytable IN ACCESS EXCLUSIVE MODE NOWAIT")
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except psycopg2.errors.lookup("55P03"):
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locked = True
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SQLSTATE exception classes
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==========================
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The following table contains the list of all the SQLSTATE classes exposed by
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the module.
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Note that, for completeness, the module also exposes all the
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:ref:`DB-API-defined exceptions <dbapi-exceptions>` and :ref:`a few
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psycopg-specific ones <extension-exceptions>` exposed by the `!extensions`
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module, which are not listed here.
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.. include:: sqlstate_errors.rst
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58
doc/src/tools/make_sqlstate_docs.py
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58
doc/src/tools/make_sqlstate_docs.py
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#!/usr/bin/env python
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"""Create the docs table of the sqlstate errors.
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"""
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from __future__ import print_function
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import re
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import sys
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from collections import namedtuple
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from psycopg2._psycopg import sqlstate_errors
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def main():
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sqlclasses = {}
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clsfile = sys.argv[1]
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with open(clsfile) as f:
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for l in f:
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m = re.match(r'/\* Class (..) - (.+) \*/', l)
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if m is not None:
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sqlclasses[m.group(1)] = m.group(2)
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Line = namedtuple('Line', 'colstate colexc colbase sqlstate')
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lines = [Line('SQLSTATE', 'Exception', 'Base exception', None)]
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for k in sorted(sqlstate_errors):
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exc = sqlstate_errors[k]
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lines.append(Line(
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"``%s``" % k, "`!%s`" % exc.__name__,
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"`!%s`" % get_base_exception(exc).__name__, k))
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widths = [max(len(l[c]) for l in lines) for c in range(3)]
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h = Line(*(['=' * w for w in widths] + [None]))
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lines.insert(0, h)
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lines.insert(2, h)
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lines.append(h)
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h1 = '-' * (sum(widths) + len(widths) - 1)
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sqlclass = None
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for l in lines:
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cls = l.sqlstate[:2] if l.sqlstate else None
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if cls and cls != sqlclass:
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print("**Class %s**: %s" % (cls, sqlclasses[cls]))
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print(h1)
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sqlclass = cls
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print("%-*s %-*s %-*s" % (
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widths[0], l.colstate, widths[1], l.colexc, widths[2], l.colbase))
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def get_base_exception(exc):
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for cls in exc.__mro__:
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if cls.__module__ == 'psycopg2':
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return cls
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if __name__ == '__main__':
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sys.exit(main())
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