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# Copyright (C) 2014 Codethink Limited
#
# This program 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; version 2 of the License.
#
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import morphlib
import copy
import logging
import os
class MorphologySetOnDisk(morphlib.morphset.MorphologySet):
'''Extensions to the morphlib.MorphologySet class.
The base class deals only with reading morphologies into memory. This class
extends it to support reading and writing them from disk.
FIXME: this should perhaps be merged into the base class in morphlib.
'''
def __init__(self, path):
super(MorphologySetOnDisk, self).__init__()
self.path = path
self.loader = morphlib.morphloader.MorphologyLoader()
if os.path.exists(path):
self.load_all_morphologies()
else:
os.makedirs(path)
morphlib.gitdir.init(path)
def load_all_morphologies(self):
logging.info('Loading all .morph files under %s', self.path)
gitdir = morphlib.gitdir.GitDirectory(self.path)
finder = morphlib.morphologyfinder.MorphologyFinder(gitdir)
for filename in (f for f in finder.list_morphologies()
if not gitdir.is_symlink(f)):
text = finder.read_file(filename)
morph = self.loader.load_from_string(text, filename=filename)
morph.repo_url = None # self.root_repository_url
morph.ref = None # self.system_branch_name
self.add_morphology(morph)
def get_morphology(self, repo_url, ref, filename):
return self._get_morphology(repo_url, ref, filename)
def save_morphology(self, filename, morphology):
self.add_morphology(morphology)
morphology_to_save = copy.copy(morphology)
filename = os.path.join(self.path, filename)
self.loader.save_to_file(filename, morphology_to_save)
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