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# Copyright (C) 2012 Aleksey Lim
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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 logging
from xml.etree import cElementTree as ElementTree
from sugar_network.toolkit import http
from active_toolkit.options import Option
from active_toolkit import enforce
obs_url = Option(
'OBS API url; the entire OBS related functionality makes sense only '
'for master server',
default='https://obs.sugarlabs.org')
obs_project = Option(
'OBS project to use unattended building',
default='base')
obs_presolve_project = Option(
'OBS project to use with packagekit-backend-presolve',
default='resolve')
_logger = logging.getLogger('node.obs')
_client = None
_repos = None
_presolve_repos = None
def get_repos():
global _repos
if _repos is None:
_repos = []
repos = _request('GET', ['build', obs_project.value])
for repo in repos.findall('entry'):
repo = repo.get('name')
if '-' not in repo:
continue
arches = _request('GET', ['build', obs_project.value, repo])
_repos.append({
'distributor_id': repo.split('-', 1)[0],
'name': repo,
'arches': [i.get('name') for i in arches.findall('entry')],
})
return _repos
def get_presolve_repos():
global _presolve_repos
if _presolve_repos is None:
_presolve_repos = []
repos = _request('GET', ['build', obs_presolve_project.value])
for repo in repos.findall('entry'):
repo = repo.get('name')
arches = _request('GET',
['build', obs_presolve_project.value, repo])
for arch in arches.findall('entry'):
_presolve_repos.append({
# TODO more distros after supporting them PK backend
'distributor_id': 'Fedora',
'name': repo,
'arch': arch.get('name'),
})
return _presolve_repos
def resolve(repo, arch, names):
for package in names:
_request('GET', ['resolve'], params={
'project': obs_project.value,
'repository': repo,
'arch': arch,
'package': package,
})
def presolve(repo, arch, names):
result = []
for package in names:
reply = _request('GET', ['resolve'], params={
'project': obs_presolve_project.value,
'repository': repo,
'arch': arch,
'package': package,
'withdeps': '1',
# TODO exclude package might be different on different platforms
'exclude': 'sugar',
})
for pkg in reply.findall('binary'):
result.append({
'name': pkg.get('name'),
'url': pkg.get('url'),
})
return result
def _request(*args, **kwargs):
global _client
if _client is None:
_client = http.Client(obs_url.value)
response = _client.request(*args, allowed=(400, 404), **kwargs)
enforce(response.headers.get('Content-Type') == 'text/xml',
'Irregular OBS response')
# pylint: disable-msg=E1103
reply = ElementTree.parse(response.raw).getroot()
if response.status_code != 200:
summary = reply.find('summary')
enforce(summary is not None, 'Unknown OBS error')
raise RuntimeError(summary.text)
return reply
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