ansible-later/env_27/lib/python2.7/site-packages/ansible/utils/unsafe_proxy.py
2019-04-11 13:00:36 +02:00

113 lines
4.1 KiB
Python

# PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
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# 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 collections import Mapping, MutableSequence, Set
from ansible.module_utils.six import string_types, text_type
from ansible.module_utils._text import to_text
__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_text(obj, errors='surrogate_or_strict')
return AnsibleUnsafeText(obj)
return obj
def _wrap_dict(v):
for k in v.keys():
if v[k] is not None:
v[wrap_var(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_set(v):
return set(item if item is None else wrap_var(item) for item in v)
def wrap_var(v):
if isinstance(v, Mapping):
v = _wrap_dict(v)
elif isinstance(v, MutableSequence):
v = _wrap_list(v)
elif isinstance(v, Set):
v = _wrap_set(v)
elif v is not None and not isinstance(v, AnsibleUnsafe):
v = UnsafeProxy(v)
return v