462 lines
20 KiB
Python
462 lines
20 KiB
Python
# Copyright 2014 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections
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import logging
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import math
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import os
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import threading
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import urlparse
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import json
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import time
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import Queue
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import datetime
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import dateutil.parser
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try:
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import ordereddict
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except:
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pass
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import requests
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HIGH_PRIORITY=0
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NORMAL_PRIORITY=1
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LOW_PRIORITY=2
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class MultiQueue(object):
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def __init__(self, priorities):
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try:
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self.queues = collections.OrderedDict()
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except AttributeError:
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self.queues = ordereddict.OrderedDict()
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for key in priorities:
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self.queues[key] = collections.deque()
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self.condition = threading.Condition()
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def qsize(self):
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count = 0
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for queue in self.queues.values():
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count += len(queue)
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return count
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def put(self, item, priority):
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self.condition.acquire()
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try:
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self.queues[priority].append(item)
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self.condition.notify()
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finally:
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self.condition.release()
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def get(self):
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self.condition.acquire()
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try:
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while True:
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for queue in self.queues.values():
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try:
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ret = queue.popleft()
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return ret
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except IndexError:
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pass
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self.condition.wait()
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finally:
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self.condition.release()
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class Task(object):
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def __init__(self, priority=NORMAL_PRIORITY):
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self.log = logging.getLogger('gertty.sync')
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self.priority = priority
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self.succeeded = None
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self.event = threading.Event()
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def complete(self, success):
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self.succeeded = success
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self.event.set()
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def wait(self):
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self.event.wait()
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class SyncProjectListTask(Task):
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def __repr__(self):
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return '<SyncProjectListTask>'
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def run(self, sync):
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app = sync.app
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with app.db.getSession() as session:
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remote = sync.get('projects/?d')
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remote_keys = set(remote.keys())
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local = {}
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for p in session.getProjects():
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local[p.name] = p
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local_keys = set(local.keys())
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for name in local_keys-remote_keys:
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session.delete(local[name])
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for name in remote_keys-local_keys:
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p = remote[name]
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session.createProject(name, description=p.get('description', ''))
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class SyncSubscribedProjectsTask(Task):
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def __repr__(self):
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return '<SyncSubscribedProjectsTask>'
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def run(self, sync):
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app = sync.app
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with app.db.getSession() as session:
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for p in session.getProjects(subscribed=True):
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sync.submitTask(SyncProjectTask(p.key, self.priority))
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class SyncProjectTask(Task):
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_closed_statuses = ['MERGED', 'ABANDONED']
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def __init__(self, project_key, priority=NORMAL_PRIORITY):
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super(SyncProjectTask, self).__init__(priority)
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self.project_key = project_key
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def __repr__(self):
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return '<SyncProjectTask %s>' % (self.project_key,)
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def run(self, sync):
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app = sync.app
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with app.db.getSession() as session:
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project = session.getProject(self.project_key)
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query = 'project:%s' % project.name
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if project.updated:
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query += ' -age:%ss' % (int(math.ceil((datetime.datetime.utcnow()-project.updated).total_seconds())) + 0,)
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changes = sync.get('changes/?q=%s' % query)
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self.log.debug('Query: %s ' % (query,))
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for c in reversed(changes):
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# The list we get is newest to oldest; if we are
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# interrupted, we will have already synced the newest
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# change and a subsequent sync will not catch up the
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# old ones. So reverse the list before we process it
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# so that the updated time is accurate.
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# For now, just sync open changes or changes already
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# in the db optionally we could sync all changes ever
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change = session.getChangeByID(c['id'])
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if change or (c['status'] not in self._closed_statuses):
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sync.submitTask(SyncChangeTask(c['id'], self.priority))
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self.log.debug("Change %s update %s" % (c['id'], c['updated']))
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class SyncChangeTask(Task):
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def __init__(self, change_id, priority=NORMAL_PRIORITY):
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super(SyncChangeTask, self).__init__(priority)
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self.change_id = change_id
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def __repr__(self):
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return '<SyncChangeTask %s>' % (self.change_id,)
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def run(self, sync):
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app = sync.app
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remote_change = sync.get('changes/%s?o=DETAILED_LABELS&o=ALL_REVISIONS&o=ALL_COMMITS&o=MESSAGES&o=DETAILED_ACCOUNTS' % self.change_id)
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fetches = []
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with app.db.getSession() as session:
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change = session.getChangeByID(self.change_id)
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if not change:
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project = session.getProjectByName(remote_change['project'])
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created = dateutil.parser.parse(remote_change['created'])
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updated = dateutil.parser.parse(remote_change['updated'])
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change = project.createChange(remote_change['id'], remote_change['_number'],
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remote_change['branch'], remote_change['change_id'],
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remote_change['owner']['name'],
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remote_change['subject'], created,
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updated, remote_change['status'],
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topic=remote_change.get('topic'))
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change.status = remote_change['status']
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change.subject = remote_change['subject']
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change.updated = dateutil.parser.parse(remote_change['updated'])
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change.topic = remote_change.get('topic')
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repo = app.getRepo(change.project.name)
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new_revision = False
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for remote_commit, remote_revision in remote_change.get('revisions', {}).items():
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revision = session.getRevisionByCommit(remote_commit)
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if not revision:
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# TODO: handle multiple parents
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url = sync.app.config.url + change.project.name
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if 'anonymous http' in remote_revision['fetch']:
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ref = remote_revision['fetch']['anonymous http']['ref']
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else:
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ref = remote_revision['fetch']['http']['ref']
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url = list(urlparse.urlsplit(url))
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url[1] = '%s:%s@%s' % (sync.app.config.username,
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sync.app.config.password, url[1])
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url = urlparse.urlunsplit(url)
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fetches.append((url, ref))
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revision = change.createRevision(remote_revision['_number'],
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remote_revision['commit']['message'], remote_commit,
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remote_revision['commit']['parents'][0]['commit'])
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new_revision = True
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remote_comments = sync.get('changes/%s/revisions/%s/comments' % (self.change_id, revision.commit))
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for remote_file, remote_comments in remote_comments.items():
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for remote_comment in remote_comments:
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comment = session.getCommentByID(remote_comment['id'])
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if not comment:
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# Normalize updated -> created
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created = dateutil.parser.parse(remote_comment['updated'])
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parent = False
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if remote_comment.get('side', '') == 'PARENT':
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parent = True
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comment = revision.createComment(remote_comment['id'],
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remote_comment.get('in_reply_to'),
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created, remote_comment['author']['name'],
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remote_file, parent, remote_comment.get('line'),
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remote_comment['message'])
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new_message = False
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for remote_message in remote_change.get('messages', []):
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message = session.getMessageByID(remote_message['id'])
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if not message:
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revision = session.getRevisionByNumber(change, remote_message['_revision_number'])
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# Normalize date -> created
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created = dateutil.parser.parse(remote_message['date'])
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if 'author' in remote_message:
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author_name = remote_message['author']['name']
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if remote_message['author']['username'] != app.config.username:
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new_message = True
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else:
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author_name = 'Gerrit Code Review'
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message = revision.createMessage(remote_message['id'], created,
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author_name,
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remote_message['message'])
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remote_approval_entries = {}
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remote_label_entries = {}
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user_voted = False
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for remote_label_name, remote_label_dict in remote_change.get('labels', {}).items():
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for remote_approval in remote_label_dict.get('all', []):
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if remote_approval.get('value') is None:
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continue
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remote_approval['category'] = remote_label_name
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key = '%s~%s' % (remote_approval['category'], remote_approval['name'])
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remote_approval_entries[key] = remote_approval
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if remote_approval.get('username', None) == app.config.username and int(remote_approval['value']) != 0:
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user_voted = True
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for key, value in remote_label_dict.get('values', {}).items():
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# +1: "LGTM"
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label = dict(value=key,
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description=value,
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category=remote_label_name)
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key = '%s~%s~%s' % (label['category'], label['value'], label['description'])
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remote_label_entries[key] = label
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remote_approval_keys = set(remote_approval_entries.keys())
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remote_label_keys = set(remote_label_entries.keys())
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local_approvals = {}
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local_labels = {}
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for approval in change.approvals:
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key = '%s~%s' % (approval.category, approval.name)
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local_approvals[key] = approval
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local_approval_keys = set(local_approvals.keys())
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for label in change.labels:
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key = '%s~%s~%s' % (label.category, label.value, label.description)
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local_labels[key] = label
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local_label_keys = set(local_labels.keys())
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for key in local_approval_keys-remote_approval_keys:
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session.delete(local_approvals[key])
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for key in local_label_keys-remote_label_keys:
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session.delete(local_labels[key])
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for key in remote_approval_keys-local_approval_keys:
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remote_approval = remote_approval_entries[key]
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change.createApproval(remote_approval['name'],
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remote_approval['category'],
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remote_approval['value'])
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for key in remote_label_keys-local_label_keys:
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remote_label = remote_label_entries[key]
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change.createLabel(remote_label['category'],
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remote_label['value'],
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remote_label['description'])
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for key in remote_approval_keys.intersection(local_approval_keys):
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local_approval = local_approvals[key]
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remote_approval = remote_approval_entries[key]
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local_approval.value = remote_approval['value']
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remote_permitted_entries = {}
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for remote_label_name, remote_label_values in remote_change.get('permitted_labels', {}).items():
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for remote_label_value in remote_label_values:
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remote_label = dict(category=remote_label_name,
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value=remote_label_value)
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key = '%s~%s' % (remote_label['category'], remote_label['value'])
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remote_permitted_entries[key] = remote_label
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remote_permitted_keys = set(remote_permitted_entries.keys())
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local_permitted = {}
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for permitted in change.permitted_labels:
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key = '%s~%s' % (permitted.category, permitted.value)
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local_permitted[key] = permitted
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local_permitted_keys = set(local_permitted.keys())
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for key in local_permitted_keys-remote_permitted_keys:
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session.delete(local_permitted[key])
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for key in remote_permitted_keys-local_permitted_keys:
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remote_permitted = remote_permitted_entries[key]
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change.createPermittedLabel(remote_permitted['category'],
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remote_permitted['value'])
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if not user_voted:
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# Only consider changing the reviewed state if we don't have a vote
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if new_revision or new_message:
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change.reviewed = False
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for (url, ref) in fetches:
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self.log.debug("git fetch %s %s" % (url, ref))
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repo.fetch(url, ref)
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class UploadReviewsTask(Task):
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def __repr__(self):
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return '<UploadReviewsTask>'
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def run(self, sync):
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app = sync.app
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with app.db.getSession() as session:
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for m in session.getPendingMessages():
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sync.submitTask(UploadReviewTask(m.key, self.priority))
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class UploadReviewTask(Task):
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def __init__(self, message_key, priority=NORMAL_PRIORITY):
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super(UploadReviewTask, self).__init__(priority)
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self.message_key = message_key
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def __repr__(self):
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return '<UploadReviewTask %s>' % (self.message_key,)
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def run(self, sync):
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app = sync.app
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with app.db.getSession() as session:
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message = session.getMessage(self.message_key)
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revision = message.revision
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change = message.revision.change
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current_revision = change.revisions[-1]
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data = dict(message=message.message,
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strict_labels=False)
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if revision == current_revision:
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data['labels'] = {}
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for approval in change.pending_approvals:
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data['labels'][approval.category] = approval.value
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session.delete(approval)
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if revision.pending_comments:
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data['comments'] = {}
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last_file = None
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comment_list = []
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for comment in revision.pending_comments:
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if comment.file != last_file:
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last_file = comment.file
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comment_list = []
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data['comments'][comment.file] = comment_list
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d = dict(line=comment.line,
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message=comment.message)
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if comment.parent:
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d['side'] = 'PARENT'
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comment_list.append(d)
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session.delete(comment)
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session.delete(message)
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sync.post('changes/%s/revisions/%s/review' % (change.id, revision.commit),
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data)
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sync.submitTask(SyncChangeTask(change.id, self.priority))
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class Sync(object):
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def __init__(self, app):
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self.offline = False
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self.app = app
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self.log = logging.getLogger('gertty.sync')
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self.queue = MultiQueue([HIGH_PRIORITY, NORMAL_PRIORITY, LOW_PRIORITY])
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self.submitTask(SyncProjectListTask(HIGH_PRIORITY))
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self.submitTask(SyncSubscribedProjectsTask(HIGH_PRIORITY))
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self.submitTask(UploadReviewsTask(HIGH_PRIORITY))
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self.periodic_thread = threading.Thread(target=self.periodicSync)
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self.periodic_thread.daemon = True
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self.periodic_thread.start()
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def periodicSync(self):
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while True:
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try:
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time.sleep(60)
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self.syncSubscribedProjects()
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except Exception:
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self.log.exception('Exception in periodicSync')
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def submitTask(self, task):
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if not self.offline:
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self.queue.put(task, task.priority)
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def run(self, pipe):
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task = None
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while True:
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task = self._run(pipe, task)
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def _run(self, pipe, task=None):
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if not task:
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task = self.queue.get()
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self.log.debug('Run: %s' % (task,))
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try:
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task.run(self)
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task.complete(True)
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except requests.ConnectionError, e:
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self.log.warning("Offline due to: %s" % (e,))
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if not self.offline:
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self.submitTask(SyncSubscribedProjectsTask(HIGH_PRIORITY))
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self.submitTask(UploadReviewsTask(HIGH_PRIORITY))
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self.offline = True
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self.app.status.update(offline=True)
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os.write(pipe, 'refresh\n')
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time.sleep(30)
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return task
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except Exception:
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task.complete(False)
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self.log.exception('Exception running task %s' % (task,))
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self.app.status.update(error=True)
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self.offline = False
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self.app.status.update(offline=False)
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os.write(pipe, 'refresh\n')
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return None
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def url(self, path):
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return self.app.config.url + 'a/' + path
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def get(self, path):
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url = self.url(path)
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self.log.debug('GET: %s' % (url,))
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r = requests.get(url,
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verify=self.app.config.verify_ssl,
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auth=requests.auth.HTTPDigestAuth(self.app.config.username,
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self.app.config.password),
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headers = {'Accept': 'application/json',
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'Accept-Encoding': 'gzip'})
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self.log.debug('Received: %s' % (r.text,))
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ret = json.loads(r.text[4:])
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return ret
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def post(self, path, data):
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url = self.url(path)
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self.log.debug('POST: %s' % (url,))
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self.log.debug('data: %s' % (data,))
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r = requests.post(url, data=json.dumps(data).encode('utf8'),
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verify=self.app.config.verify_ssl,
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auth=requests.auth.HTTPDigestAuth(self.app.config.username,
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self.app.config.password),
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headers = {'Content-Type': 'application/json;charset=UTF-8'})
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self.log.debug('Received: %s' % (r.text,))
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def syncSubscribedProjects(self):
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keys = []
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with self.app.db.getSession() as session:
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for p in session.getProjects(subscribed=True):
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keys.append(p.key)
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for key in keys:
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t = SyncProjectTask(key, LOW_PRIORITY)
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self.submitTask(t)
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t.wait()
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