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# Copyright (C) 2012 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 StringIO
import morphlib
class MorphologyLoader(object):
'''Load morphologies from git and parse them into Morphology objects.'''
def __init__(self, settings):
self.settings = settings
self.morphologies = {}
def load(self, treeish, filename):
key = (treeish, filename)
if key in self.morphologies:
return self.morphologies[key]
else:
morph = self._get_morph_from_git(treeish, filename)
self.morphologies[key] = morph
return morph
def _get_morph_text(self, treeish, filename): # pragma: no cover
return morphlib.git.get_morph_text(treeish, filename)
def _get_morph_from_git(self, treeish, filename):
morph_text = self._get_morph_text(treeish, filename)
fp = StringIO.StringIO(morph_text)
fp.name = filename
return morphlib.morphology.Morphology(treeish, fp)
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