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# 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, 2008, 2009, 2010,
# 2011, 2012, 2013, 2014 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.
#
# Original Python Recipe for Proxy:
# http://code.activestate.com/recipes/496741-object-proxying/
# Author: Tomer Filiba
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from ansible.utils.unicode import to_unicode
from ansible.compat.six import string_types, text_type
__all__ = ['UnsafeProxy', 'AnsibleUnsafe', 'wrap_var']
class AnsibleUnsafe(object):
__UNSAFE__ = True
class AnsibleUnsafeText(text_type, AnsibleUnsafe):
pass
class UnsafeProxy(object):
def __new__(cls, obj, *args, **kwargs):
# In our usage we should only receive unicode strings.
# This conditional and conversion exists to sanity check the values
# we're given but we may want to take it out for testing and sanitize
# our input instead.
if isinstance(obj, string_types):
obj = to_unicode(obj, errors='strict')
return AnsibleUnsafeText(obj)
return obj
def _wrap_dict(v):
for k in v.keys():
if v[k] is not None:
v[k] = wrap_var(v[k])
return v
def _wrap_list(v):
for idx, item in enumerate(v):
if item is not None:
v[idx] = wrap_var(item)
return v
def wrap_var(v):
if isinstance(v, dict):
v = _wrap_dict(v)
elif isinstance(v, list):
v = _wrap_list(v)
else:
if v is not None and not isinstance(v, AnsibleUnsafe):
v = UnsafeProxy(v)
return v
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