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� e, j- d � d � Z. [, d d d d d d d d e/ d � Z0 d S( s� A Python driver for PostgreSQL
psycopg is a PostgreSQL_ database adapter for the Python_ programming
language. This is version 2, a complete rewrite of the original code to
provide new-style classes for connection and cursor objects and other sweet
candies. Like the original, psycopg 2 was written with the aim of being very
small and fast, and stable as a rock.
Homepage: http://initd.org/projects/psycopg2
.. _PostgreSQL: http://www.postgresql.org/
.. _Python: http://www.python.org/
:Groups:
* `Connections creation`: connect
* `Value objects constructors`: Binary, Date, DateFromTicks, Time,
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Create a new database connection.
The connection parameters can be specified either as a string:
conn = psycopg2.connect("dbname=test user=postgres password=secret")
or using a set of keyword arguments:
conn = psycopg2.connect(database="test", user="postgres", password="secret")
The basic connection parameters are:
- *dbname*: the database name (only in dsn string)
- *database*: the database name (only as keyword argument)
- *user*: user name used to authenticate
- *password*: password used to authenticate
- *host*: database host address (defaults to UNIX socket if not provided)
- *port*: connection port number (defaults to 5432 if not provided)
Using the *connection_factory* parameter a different class or connections
factory can be specified. It should be a callable object taking a dsn
argument.
Using the *cursor_factory* parameter, a new default cursor factory will be
used by cursor().
Using *async*=True an asynchronous connection will be created.
Any other keyword parameter will be passed to the underlying client
library: the list of supported parameters depends on the library version.
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