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Daniele Varrazzo 2011-12-15 22:13:20 +00:00
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@ -5,26 +5,27 @@ Psycopg -- PostgreSQL database adapter for Python
.. sectionauthor:: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Psycopg_ is a PostgreSQL_ database adapter for the Python_ programming
language. Its main advantages are that it supports the full Python |DBAPI|_
language. Its main features are that it supports the full Python |DBAPI|_
and it is thread safe (threads can share the connections). It was designed for
heavily multi-threaded applications that create and destroy lots of cursors and
make a conspicuous number of concurrent :sql:`INSERT`\ s or :sql:`UPDATE`\ s.
make a large number of concurrent :sql:`INSERT`\ s or :sql:`UPDATE`\ s.
The Psycopg distribution includes ZPsycopgDA, a Zope_ Database Adapter.
Psycopg 2 features complete libpq_ v3 protocol, client-side and
:ref:`server-side <server-side-cursors>` cursors, :ref:`asynchronous
communication <async-support>` and :ref:`notifications <async-notify>`,
|COPY-TO-FROM|__ and a flexible :ref:`objects adaptation system
Psycopg 2 is mostly implemented in C as a libpq_ wrapper, resulting in being
both efficient and secure. It features client-side and :ref:`server-side
<server-side-cursors>` cursors, :ref:`asynchronous communication
<async-support>` and :ref:`notifications <async-notify>`, |COPY-TO-FROM|__
support, and a flexible :ref:`objects adaptation system
<python-types-adaptation>`. Many basic Python types are supported
out-of-the-box and mapped to matching PostgreSQL data types, such as strings
(both bytes and Unicode), numbers (ints, longs, floats, decimals), booleans,
(both bytes and Unicode), numbers (ints, longs, floats, decimals), booleans and
datetime objects (both built-in and `mx.DateTime`_), several types of
:ref:`binary objects <adapt-binary>`. Also available are mappings between lists
and PostgreSQL arrays of any supported type, :ref:`dictionaries and PostgreSQL
hstore <adapt-hstore>`, :ref:`tuples/namedtuples and PostgreSQL composite types
<adapt-composite>`.
and PostgreSQL arrays of any supported type, between :ref:`dictionaries and
PostgreSQL hstores <adapt-hstore>`, and between :ref:`tuples/namedtuples and
PostgreSQL composite types <adapt-composite>`.
Psycopg 2 is Unicode and Python 3 friendly.
Psycopg 2 is both Unicode and Python 3 friendly.
.. _Psycopg: http://initd.org/psycopg/