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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 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 large number of concurrent :sql:`INSERT`\ s or :sql:`UPDATE`\ s.
The Psycopg distribution includes ZPsycopgDA, a Zope_ Database Adapter.
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 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, between :ref:`dictionaries and
PostgreSQL hstores <adapt-hstore>`, and between :ref:`tuples/namedtuples and
PostgreSQL composite types <adapt-composite>`.
Psycopg 2 is both Unicode and Python 3 friendly.
.. _Psycopg: http://initd.org/psycopg/
.. _PostgreSQL: http://www.postgresql.org/
.. _Python: http://www.python.org/
.. _Zope: http://www.zope.org/
.. _libpq: http://www.postgresql.org/docs/current/static/libpq.html
.. |COPY-TO-FROM| replace:: :sql:`COPY TO/COPY FROM`
.. __: http://www.postgresql.org/docs/current/static/sql-copy.html
.. rubric:: Contents
.. toctree::
:maxdepth: 2
usage
module
connection
cursor
advanced
extensions
tz
pool
extras
errorcodes
faq
.. ifconfig:: builder != 'text'
.. rubric:: Indices and tables
* :ref:`genindex`
* :ref:`search`
.. ifconfig:: todo_include_todos
.. note::
**To Do items in the documentation**
.. todolist::
|