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83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
# Copyright: (c) 2018, Toshio Kuratomi <tkuratomi@ansible.com>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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"""
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Hold command line arguments for use in other modules
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"""
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from abc import ABCMeta
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from ansible.module_utils.common._collections_compat import (Container, Mapping, Sequence, Set)
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from ansible.module_utils.common.collections import ImmutableDict
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from ansible.module_utils.six import add_metaclass, binary_type, text_type
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from ansible.utils.singleton import Singleton
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def _make_immutable(obj):
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"""Recursively convert a container and objects inside of it into immutable data types"""
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if isinstance(obj, (text_type, binary_type)):
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# Strings first because they are also sequences
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return obj
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elif isinstance(obj, Mapping):
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temp_dict = {}
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for key, value in obj.items():
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if isinstance(value, Container):
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temp_dict[key] = _make_immutable(value)
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else:
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temp_dict[key] = value
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return ImmutableDict(temp_dict)
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elif isinstance(obj, Set):
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temp_set = set()
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for value in obj:
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if isinstance(value, Container):
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temp_set.add(_make_immutable(value))
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else:
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temp_set.add(value)
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return frozenset(temp_set)
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elif isinstance(obj, Sequence):
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temp_sequence = []
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for value in obj:
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if isinstance(value, Container):
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temp_sequence.append(_make_immutable(value))
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else:
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temp_sequence.append(value)
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return tuple(temp_sequence)
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return obj
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class _ABCSingleton(Singleton, ABCMeta):
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"""
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Combine ABCMeta based classes with Singleton based classes
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Combine Singleton and ABCMeta so we have a metaclass that unambiguously knows which can override
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the other. Useful for making new types of containers which are also Singletons.
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"""
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pass
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class CLIArgs(ImmutableDict):
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"""Hold a parsed copy of cli arguments"""
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def __init__(self, mapping):
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toplevel = {}
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for key, value in mapping.items():
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toplevel[key] = _make_immutable(value)
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super(CLIArgs, self).__init__(toplevel)
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@classmethod
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def from_options(cls, options):
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return cls(vars(options))
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@add_metaclass(_ABCSingleton)
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class GlobalCLIArgs(CLIArgs):
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"""
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Globally hold a parsed copy of cli arguments.
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Only one of these exist per program as it is for global context
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"""
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pass
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