JezK
Edit File: psycopg2cffi.py
# testing/engines.py # Copyright (C) 2005-2023 the SQLAlchemy authors and contributors # <see AUTHORS file> # # This module is part of SQLAlchemy and is released under # the MIT License: https://www.opensource.org/licenses/mit-license.php r""" .. dialect:: postgresql+psycopg2cffi :name: psycopg2cffi :dbapi: psycopg2cffi :connectstring: postgresql+psycopg2cffi://user:password@host:port/dbname[?key=value&key=value...] :url: https://pypi.org/project/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` """ # noqa from .psycopg2 import PGDialect_psycopg2 class PGDialect_psycopg2cffi(PGDialect_psycopg2): driver = "psycopg2cffi" supports_unicode_statements = True supports_statement_cache = 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