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psycopg2
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..
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__init__.py
(5.7 KB)
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__pycache__
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_json.py
(7.65 KB)
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_psycopg.cpython-37m-x86_64-linux-gnu.so
(188.83 KB)
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_range.py
(16.41 KB)
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errorcodes.py
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extensions.py
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extras.py
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pool.py
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psycopg1.py
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tests
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tz.py
(4.32 KB)
Editing: psycopg1.py
"""psycopg 1.1.x compatibility module This module uses the new style connection and cursor types to build a psycopg 1.1.1.x compatibility layer. It should be considered a temporary hack to run old code while porting to psycopg 2. Import it as follows:: from psycopg2 import psycopg1 as psycopg """ # psycopg/psycopg1.py - psycopg 1.1.x compatibility module # # Copyright (C) 2003-2010 Federico Di Gregorio <fog@debian.org> # # 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 psycopg2._psycopg as _2psycopg from psycopg2.extensions import cursor as _2cursor from psycopg2.extensions import connection as _2connection from psycopg2 import * import psycopg2.extensions as _ext _2connect = connect def connect(*args, **kwargs): """connect(dsn, ...) -> new psycopg 1.1.x compatible connection object""" kwargs['connection_factory'] = connection conn = _2connect(*args, **kwargs) conn.set_isolation_level(_ext.ISOLATION_LEVEL_READ_COMMITTED) return conn class connection(_2connection): """psycopg 1.1.x connection.""" def cursor(self): """cursor() -> new psycopg 1.1.x compatible cursor object""" return _2connection.cursor(self, cursor_factory=cursor) def autocommit(self, on_off=1): """autocommit(on_off=1) -> switch autocommit on (1) or off (0)""" if on_off > 0: self.set_isolation_level(_ext.ISOLATION_LEVEL_AUTOCOMMIT) else: self.set_isolation_level(_ext.ISOLATION_LEVEL_READ_COMMITTED) class cursor(_2cursor): """psycopg 1.1.x cursor. Note that this cursor implements the exact procedure used by psycopg 1 to build dictionaries out of result rows. The DictCursor in the psycopg.extras modules implements a much better and faster algorithm. """ def __build_dict(self, row): res = {} for i in range(len(self.description)): res[self.description[i][0]] = row[i] return res def dictfetchone(self): row = _2cursor.fetchone(self) if row: return self.__build_dict(row) else: return row def dictfetchmany(self, size): res = [] rows = _2cursor.fetchmany(self, size) for row in rows: res.append(self.__build_dict(row)) return res def dictfetchall(self): res = [] rows = _2cursor.fetchall(self) for row in rows: res.append(self.__build_dict(row)) return res
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