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authorChris McDonough <chrism@agendaless.com>2009-11-25 16:36:29 +0000
committerChris McDonough <chrism@agendaless.com>2009-11-25 16:36:29 +0000
commit2aa86c1a5227a675d32c4ede06e0c031ae3edfad (patch)
tree83423e9f192b41ac4c94b05ef8a37a23bf6df59c /repoze/bfg/compat/__init__.py
parent6f01c68cf897ad5116c00c949b6e9ef96de1d658 (diff)
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- Replace martian with something simpler.
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+# Some code in this file was lifted wholesale from Django
+# <http://djangoproject.com> (see
+# http://code.djangoproject.com/browser/django/trunk/LICENSE for
+# license text; BSD-like)
+
+# License for code in this file that was taken from Python 2.5.
+
+# PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
+# --------------------------------------------
+#
+# 1. This LICENSE AGREEMENT is between the Python Software Foundation
+# ("PSF"), and the Individual or Organization ("Licensee") accessing and
+# otherwise using this software ("Python") in source or binary form and
+# its associated documentation.
+#
+# 2. Subject to the terms and conditions of this License Agreement, PSF
+# hereby grants Licensee a nonexclusive, royalty-free, world-wide
+# license to reproduce, analyze, test, perform and/or display publicly,
+# prepare derivative works, distribute, and otherwise use Python
+# alone or in any derivative version, provided, however, that PSF's
+# License Agreement and PSF's notice of copyright, i.e., "Copyright (c)
+# 2001, 2002, 2003, 2004, 2005, 2006, 2007 Python Software Foundation;
+# All Rights Reserved" are retained in Python alone or in any derivative
+# version prepared by Licensee.
+#
+# 3. In the event Licensee prepares a derivative work that is based on
+# or incorporates Python or any part thereof, and wants to make
+# the derivative work available to others as provided herein, then
+# Licensee hereby agrees to include in any such work a brief summary of
+# the changes made to Python.
+#
+# 4. PSF is making Python available to Licensee on an "AS IS"
+# basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
+# IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
+# DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
+# FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
+# INFRINGE ANY THIRD PARTY RIGHTS.
+#
+# 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
+# FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
+# A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
+# OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
+#
+# 6. This License Agreement will automatically terminate upon a material
+# breach of its terms and conditions.
+#
+# 7. Nothing in this License Agreement shall be deemed to create any
+# relationship of agency, partnership, or joint venture between PSF and
+# Licensee. This License Agreement does not grant permission to use PSF
+# trademarks or trade name in a trademark sense to endorse or promote
+# products or services of Licensee, or any third party.
+#
+# 8. By copying, installing or otherwise using Python, Licensee
+# agrees to be bound by the terms and conditions of this License
+# Agreement.
+
+
+try: # pragma: no cover
+ from functools import wraps
+except ImportError: #pragma no cover
+ # < 2.5
+ def curry(_curried_func, *args, **kwargs):
+ def _curried(*moreargs, **morekwargs):
+ return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs))
+ return _curried
+
+ ### Begin from Python 2.5 functools.py ###################################
+ # Summary of changes made to the Python 2.5 code below:
+ # * swapped ``partial`` for ``curry`` to maintain backwards-compatibility
+ # in Django.
+ # * Wrapped the ``setattr`` call in ``update_wrapper`` with a try-except
+ # block to make it compatible with Python 2.3, which doesn't allow
+ # assigning to ``__name__``.
+
+ # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Python Software
+ # Foundation.
+ # All Rights Reserved.
+ ##########################################################################
+
+ # update_wrapper() and wraps() are tools to help write
+ # wrapper functions that can handle naive introspection
+
+ WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__doc__')
+ WRAPPER_UPDATES = ('__dict__',)
+ def update_wrapper(wrapper,
+ wrapped,
+ assigned = WRAPPER_ASSIGNMENTS,
+ updated = WRAPPER_UPDATES):
+ """Update a wrapper function to look like the wrapped function
+
+ wrapper is the function to be updated
+ wrapped is the original function
+ assigned is a tuple naming the attributes assigned directly
+ from the wrapped function to the wrapper function (defaults to
+ functools.WRAPPER_ASSIGNMENTS)
+ updated is a tuple naming the attributes off the wrapper that
+ are updated with the corresponding attribute from the wrapped
+ function (defaults to functools.WRAPPER_UPDATES)
+ """
+ for attr in assigned:
+ setattr(wrapper, attr, getattr(wrapped, attr))
+
+ for attr in updated:
+ getattr(wrapper, attr).update(getattr(wrapped, attr))
+ # Return the wrapper so this can be used as a decorator via curry()
+ return wrapper
+
+ def wraps(wrapped,
+ assigned = WRAPPER_ASSIGNMENTS,
+ updated = WRAPPER_UPDATES):
+ """Decorator factory to apply update_wrapper() to a wrapper function
+
+ Returns a decorator that invokes update_wrapper() with the decorated
+ function as the wrapper argument and the arguments to wraps() as the
+ remaining arguments. Default arguments are as for update_wrapper().
+ This is a convenience function to simplify applying curry() to
+ update_wrapper().
+ """
+ return curry(update_wrapper, wrapped=wrapped,
+ assigned=assigned, updated=updated)
+
+### End from Python 2.5 functools.py ##########################################
+
+try:
+ all = all
+except NameError: # pragma: no cover
+ def all(iterable):
+ for element in iterable:
+ if not element:
+ return False
+ return True
+
+try:
+ import json
+except ImportError: # pragma: no cover
+ import simplejson as json
+
+try:
+ from pkgutil import walk_packages
+except ImportError:
+ from pkgutil_26 import walk_packages
+