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# Copyright (C) 2015 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, see <http://www.gnu.org/licenses/>.
import cliapp
import morphlib
class GetChunkDetailsPlugin(cliapp.Plugin):
def enable(self):
self.app.add_subcommand(
'get-chunk-details', self.get_chunk_details,
arg_synopsis='[STRATUM] CHUNK')
def disable(self):
pass
def get_chunk_details(self, args):
'''Print out details for the given chunk
Command line arguments:
* `STRATUM` is the stratum to search for chunk (optional).
* `CHUNK` is the component to obtain a URL for.
'''
stratum_name = None
if len(args) == 1:
chunk_name = args[0]
elif len(args) == 2:
stratum_name = args[0]
chunk_name = args[1]
else:
raise cliapp.AppException(
'Wrong number of arguments to get-chunk-details command '
'(see help)')
definitions_repo = morphlib.definitions_repo.open(
'.', search_for_root=True, app=self.app)
aliases = self.app.settings['repo-alias']
self.resolver = morphlib.repoaliasresolver.RepoAliasResolver(aliases)
found = 0
for morph in definitions_repo.load_all_morphologies():
if morph['kind'] == 'stratum':
if (stratum_name == None or
morph['name'] == stratum_name):
for chunk in morph['chunks']:
if chunk['name'] == chunk_name:
found = found + 1
self._print_chunk_details(chunk, morph)
if found == 0:
if stratum_name == None:
print('Chunk `{}` not found'
.format(chunk_name))
else:
print('Chunk `{}` not found in stratum `{}`'
.format(chunk_name, stratum_name))
def _print_chunk_details(self, chunk, morph):
repo = self.resolver.pull_url(chunk['repo'])
print('In stratum {}:'.format(morph['name']))
print(' Chunk: {}'.format(chunk['name']))
print(' Repo: {}'.format(repo))
print(' Ref: {}'.format(chunk['ref']))
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