ansible/v2/test/mock/loader.py
2014-12-29 10:46:47 -06:00

80 lines
2.5 KiB
Python

# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
from ansible.parsing import DataLoader
class DictDataLoader(DataLoader):
def __init__(self, file_mapping=dict()):
assert type(file_mapping) == dict
self._file_mapping = file_mapping
self._build_known_directories()
super(DictDataLoader, self).__init__()
def load_from_file(self, path):
if path in self._file_mapping:
return self.load(self._file_mapping[path], path)
return None
def path_exists(self, path):
return path in self._file_mapping or path in self._known_directories
def is_file(self, path):
return path in self._file_mapping
def is_directory(self, path):
return path in self._known_directories
def _add_known_directory(self, directory):
if directory not in self._known_directories:
self._known_directories.append(directory)
def _build_known_directories(self):
self._known_directories = []
for path in self._file_mapping:
dirname = os.path.dirname(path)
while dirname not in ('/', ''):
self._add_known_directory(dirname)
dirname = os.path.dirname(dirname)
def push(self, path, content):
rebuild_dirs = False
if path not in self._file_mapping:
rebuild_dirs = True
self._file_mapping[path] = content
if rebuild_dirs:
self._build_known_directories()
def pop(self, path):
if path in self._file_mapping:
del self._file_mapping[path]
self._build_known_directories()
def clear(self):
self._file_mapping = dict()
self._known_directories = []