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File Content: `init.py`

"""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: https://psycopg.org/

.. _PostgreSQL: https://www.postgresql.org/
.. _Python: https://www.python.org/

:Groups:
  * `Connections creation`: connect
  * `Value objects constructors`: Binary, Date, DateFromTicks, Time,
    TimeFromTicks, Timestamp, TimestampFromTicks
"""
# psycopg/__init__.py - initialization of the psycopg module
#
# Copyright (C) 2003-2019 Federico Di Gregorio  <fog@debian.org>
# 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
# 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.

# Import modules needed by _psycopg to allow tools like py2exe to do
# their work without bothering about the module dependencies.

# Note: the first internal import should be _psycopg, otherwise the real cause
# of a failed loading of the C module may get hidden, see
# https://archives.postgresql.org/psycopg/2011-02/msg00044.php

# Import the DBAPI-2.0 stuff into top-level module.

from psycopg2._psycopg import (                     # noqa
    BINARY, NUMBER, STRING, DATETIME, ROWID,

    Binary, Date, Time, Timestamp,
    DateFromTicks, TimeFromTicks, TimestampFromTicks,

    Error, Warning, DataError, DatabaseError, ProgrammingError, IntegrityError,
    InterfaceError, InternalError, NotSupportedError, OperationalError,

    _connect, apilevel, threadsafety, paramstyle,
    __version__, __libpq_version__,
)


# Register default adapters.

from psycopg2 import extensions as _ext
_ext.register_adapter(tuple, _ext.SQL_IN)
_ext.register_adapter(type(None), _ext.NoneAdapter)

# Register the Decimal adapter here instead of in the C layer.
# This way a new class is registered for each sub-interpreter.
# See ticket #52
from decimal import Decimal                         # noqa
from psycopg2._psycopg import Decimal as Adapter    # noqa
_ext.register_adapter(Decimal, Adapter)
del Decimal, Adapter


def connect(dsn=None, connection_factory=None, cursor_factory=None, **kwargs):
    """
    Create a new database connection.

    The connection parameters can be specified 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")

    Or as a mix of both. The basic connection parameters are:

    - *dbname*: the database name
    - *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. *async_* is
    a valid alias (for Python versions where ``async`` is a keyword).

    Any other keyword parameter will be passed to the underlying client
    library: the list of supported parameters depends on the library version.

    """
    kwasync = {}
    if 'async' in kwargs:
        kwasync['async'] = kwargs.pop('async')
    if 'async_' in kwargs:
        kwasync['async_'] = kwargs.pop('async_')

    dsn = _ext.make_dsn(dsn, **kwargs)
    conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
    if cursor_factory is not None:
        conn.cursor_factory = cursor_factory

    return conn
Name	Size	Permission
__pycache__	---	0755
__init__.py	4768 bytes	0644
_ipaddress.py	2922 bytes	0644
_json.py	7153 bytes	0644
_psycopg.cpython-310-x86_64-linux-gnu.so	318184 bytes	0644
_range.py	17608 bytes	0644
errorcodes.py	14308 bytes	0644
errors.py	1425 bytes	0644
extensions.py	6797 bytes	0644
extras.py	42863 bytes	0644
pool.py	6316 bytes	0644
sql.py	14779 bytes	0644
tz.py	4870 bytes	0644
File Content: __init__.py

File Content: `init.py`
