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# Copyright (C) 2012-2014 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 sugar_network import db, toolkit
from sugar_network.model import Release, context
from sugar_network.node import obs
from sugar_network.toolkit.router import ACL
from sugar_network.toolkit.coroutine import this
from sugar_network.toolkit import http, coroutine, enforce
_logger = logging.getLogger('node.model')
_presolve_queue = None
class _Release(Release):
_package_cast = db.Dict(db.List())
def typecast(self, value):
if not this.resource.exists or 'package' not in this.resource['type']:
return Release.typecast(self, value)
value = self._package_cast.typecast(value)
enforce(value.get('binary'), http.BadRequest, 'No binary aliases')
distro = this.request.key
if distro == '*':
lsb_id = None
lsb_release = None
elif '-' in this.request.key:
lsb_id, lsb_release = distro.split('-', 1)
else:
lsb_id = distro
lsb_release = None
releases = this.resource.record.get('releases')
statuses = releases['value'].setdefault('status', {})
to_presolve = []
for repo in obs.get_repos():
if lsb_id and lsb_id != repo['lsb_id'] or \
lsb_release and lsb_release != repo['lsb_release']:
continue
# Make sure there are no alias overrides
if not lsb_id and repo['lsb_id'] in releases['value'] or \
not lsb_release and repo['name'] in releases['value']:
continue
pkgs = sum([value.get(i, []) for i in ('binary', 'devel')], [])
try:
for arch in repo['arches']:
obs.resolve(repo['name'], arch, pkgs)
except Exception, error:
_logger.warning('Failed to resolve %r on %s',
pkgs, repo['name'])
status = str(error)
else:
to_presolve.append((repo['name'], pkgs))
status = 'success'
statuses[repo['name']] = status
if to_presolve and _presolve_queue is not None:
_presolve_queue.put(to_presolve)
if statuses:
this.resource.record.set('releases', **releases)
return value
def teardown(self, value):
if 'package' not in this.resource['type']:
return Release.typecast(self, value)
# TODO Delete presolved files
class Context(context.Context):
@db.stored_property(db.Aggregated, subtype=_Release(),
acl=ACL.READ | ACL.INSERT | ACL.REMOVE | ACL.REPLACE)
def releases(self, value):
return value
@releases.setter
def releases(self, value):
if value or this.request.method != 'POST':
self.invalidate_solutions()
return value
def diff(volume, in_seq, out_seq=None, exclude_seq=None, layer=None,
ignore_documents=None, **kwargs):
if out_seq is None:
out_seq = toolkit.Sequence([])
is_the_only_seq = not out_seq
if layer:
if isinstance(layer, basestring):
layer = [layer]
layer.append('common')
try:
for resource, directory in volume.items():
if ignore_documents and resource in ignore_documents:
continue
coroutine.dispatch()
directory.commit()
yield {'resource': resource}
for guid, patch in directory.diff(in_seq, exclude_seq,
layer=layer if resource == 'context' else None):
adiff = {}
adiff_seq = toolkit.Sequence()
for prop, meta, seqno in patch:
adiff[prop] = meta
adiff_seq.include(seqno, seqno)
if adiff:
yield {'guid': guid, 'diff': adiff}
out_seq.include(adiff_seq)
if is_the_only_seq:
# There is only one diff, so, we can stretch it to remove all holes
out_seq.stretch()
except StopIteration:
pass
yield {'commit': out_seq}
def merge(volume, records):
directory = None
commit_seq = toolkit.Sequence()
merged_seq = toolkit.Sequence()
synced = False
for record in records:
resource_ = record.get('resource')
if resource_:
resource = resource_
directory = volume[resource_]
continue
if 'guid' in record:
guid = record['guid']
existed = directory.exists(guid)
if existed:
layer = directory.get(guid)['layer']
seqno, merged = directory.merge(**record)
synced = synced or merged
if seqno is not None:
merged_seq.include(seqno, seqno)
continue
commit = record.get('commit')
if commit is not None:
commit_seq.include(commit)
continue
if synced:
this.broadcast({'event': 'sync'})
return commit_seq, merged_seq
def presolve(presolve_path):
global _presolve_queue
_presolve_queue = coroutine.Queue()
for repo_name, pkgs in _presolve_queue:
obs.presolve(repo_name, pkgs, presolve_path)
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