/usr/lib/python3/dist-packages/sqlalchemy/dialects/postgresql/psycopg2cffi.py is in python3-sqlalchemy 1.0.15+ds1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | # testing/engines.py
# Copyright (C) 2005-2016 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
"""
.. dialect:: postgresql+psycopg2cffi
:name: psycopg2cffi
:dbapi: psycopg2cffi
:connectstring: \
postgresql+psycopg2cffi://user:password@host:port/dbname\
[?key=value&key=value...]
:url: http://pypi.python.org/pypi/psycopg2cffi/
``psycopg2cffi`` is an adaptation of ``psycopg2``, using CFFI for the C
layer. This makes it suitable for use in e.g. PyPy. Documentation
is as per ``psycopg2``.
.. versionadded:: 1.0.0
.. seealso::
:mod:`sqlalchemy.dialects.postgresql.psycopg2`
"""
from .psycopg2 import PGDialect_psycopg2
class PGDialect_psycopg2cffi(PGDialect_psycopg2):
driver = 'psycopg2cffi'
supports_unicode_statements = True
# psycopg2cffi's first release is 2.5.0, but reports
# __version__ as 2.4.4. Subsequent releases seem to have
# fixed this.
FEATURE_VERSION_MAP = dict(
native_json=(2, 4, 4),
native_jsonb=(2, 7, 1),
sane_multi_rowcount=(2, 4, 4),
array_oid=(2, 4, 4),
hstore_adapter=(2, 4, 4)
)
@classmethod
def dbapi(cls):
return __import__('psycopg2cffi')
@classmethod
def _psycopg2_extensions(cls):
root = __import__('psycopg2cffi', fromlist=['extensions'])
return root.extensions
@classmethod
def _psycopg2_extras(cls):
root = __import__('psycopg2cffi', fromlist=['extras'])
return root.extras
dialect = PGDialect_psycopg2cffi
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