FakeModule.py
43 lines
| 1.5 KiB
| text/x-python
|
PythonLexer
/ IPython / FakeModule.py
Ville M. Vainio
|
r1032 | # -*- coding: utf-8 -*- | ||
""" | ||||
Class which mimics a module. | ||||
Needed to allow pickle to correctly resolve namespaces during IPython | ||||
sessions. | ||||
$Id: FakeModule.py 2754 2007-09-09 10:16:59Z fperez $""" | ||||
#***************************************************************************** | ||||
# Copyright (C) 2002-2004 Fernando Perez. <fperez@colorado.edu> | ||||
# | ||||
# Distributed under the terms of the BSD License. The full license is in | ||||
# the file COPYING, distributed as part of this software. | ||||
#***************************************************************************** | ||||
import types | ||||
class FakeModule(types.ModuleType): | ||||
"""Simple class with attribute access to fake a module. | ||||
This is not meant to replace a module, but to allow inserting a fake | ||||
module in sys.modules so that systems which rely on run-time module | ||||
importing (like shelve and pickle) work correctly in interactive IPython | ||||
sessions. | ||||
Do NOT use this code for anything other than this IPython private hack.""" | ||||
def __init__(self,adict=None): | ||||
# tmp to force __dict__ instance creation, else self.__dict__ fails | ||||
self.__iptmp = None | ||||
# It seems pydoc (and perhaps others) needs any module instance to | ||||
# implement a __nonzero__ method, so we add it if missing: | ||||
self.__dict__.setdefault('__nonzero__',lambda : True) | ||||
self.__dict__.setdefault('__file__',__file__) | ||||
# cleanup our temp trick | ||||
del self.__iptmp | ||||
if adict is not None: | ||||
self.__dict__.update(adict) | ||||