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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 json
class Morphology(object):
'''An in-memory representation of a morphology.
This is a parsed version of the morphology, with rules for default
values applied. No other processing.
'''
static_defaults = [
('configure-commands', None),
('build-commands', None),
('test-commands', None),
('install-commands', None),
('chunks', {}),
('sources', []),
('strata', []),
('max-jobs', None),
('description', ''),
('build-depends', None),
('build-system', 'manual'),
('arch', None),
('system-kind', None),
]
def __init__(self, text):
self._dict = json.loads(text)
self._set_defaults()
def __getitem__(self, key):
return self._dict[key]
def __contains__(self, key):
return key in self._dict
def keys(self):
return self._dict.keys()
def _set_defaults(self):
if 'max-jobs' in self:
self._dict['max-jobs'] = int(self['max-jobs'])
if 'disk-size' in self:
size = self['disk-size']
size = size.lower()
if size.endswith('g'):
size = int(size[:-1]) * 1024 ** 3
elif size.endswith('m'): # pragma: no cover
size = int(size[:-1]) * 1024 ** 2
elif size.endswith('k'): # pragma: no cover
size = int(size[:-1]) * 1024
else: # pragma: no cover
size = int(size)
self._dict['disk-size'] = size
for name, value in self.static_defaults:
if name not in self._dict:
self._dict[name] = value
if self['kind'] == 'stratum':
self._set_stratum_defaults()
def _set_stratum_defaults(self):
for source in self['sources']:
if 'repo' not in source:
source['repo'] = source['name']
if 'morph' not in source:
source['morph'] = source['name']
if 'build-depends' not in source:
source['build-depends'] = None
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