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81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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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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import os
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from ansible.parsing.yaml import DataLoader
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class DictDataLoader(DataLoader):
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def __init__(self, file_mapping=dict()):
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assert type(file_mapping) == dict
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self._file_mapping = file_mapping
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self._build_known_directories()
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super(DictDataLoader, self).__init__()
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def load_from_file(self, path):
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if path in self._file_mapping:
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return self.load(self._file_mapping[path], path)
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return None
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def path_exists(self, path):
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return path in self._file_mapping or path in self._known_directories
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def is_file(self, path):
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return path in self._file_mapping
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def is_directory(self, path):
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return path in self._known_directories
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def _add_known_directory(self, directory):
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if directory not in self._known_directories:
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self._known_directories.append(directory)
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def _build_known_directories(self):
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self._known_directories = []
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for path in self._file_mapping:
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dirname = os.path.dirname(path)
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while dirname not in ('/', ''):
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self._add_known_directory(dirname)
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dirname = os.path.dirname(dirname)
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def push(self, path, content):
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rebuild_dirs = False
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if path not in self._file_mapping:
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rebuild_dirs = True
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self._file_mapping[path] = content
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if rebuild_dirs:
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self._build_known_directories()
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def pop(self, path):
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if path in self._file_mapping:
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del self._file_mapping[path]
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self._build_known_directories()
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def clear(self):
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self._file_mapping = dict()
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self._known_directories = []
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