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# -*- coding: utf-8 -*-
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"""
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kallithea.model.changeset_status
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Changeset status conttroller
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:created_on: Apr 30, 2012
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:author: marcink
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:copyright: (c) 2013 RhodeCode GmbH.
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:license: GPLv3, see LICENSE for more details.
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"""
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from collections import defaultdict
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from kallithea.model import BaseModel
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from kallithea.model.db import ChangesetStatus, PullRequest
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from kallithea.lib.exceptions import StatusChangeOnClosedPullRequestError
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log = logging.getLogger(__name__)
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class ChangesetStatusModel(BaseModel):
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cls = ChangesetStatus
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def __get_changeset_status(self, changeset_status):
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return self._get_instance(ChangesetStatus, changeset_status)
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def __get_pull_request(self, pull_request):
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return self._get_instance(PullRequest, pull_request)
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def _get_status_query(self, repo, revision, pull_request,
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with_revisions=False):
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repo = self._get_repo(repo)
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q = ChangesetStatus.query()\
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.filter(ChangesetStatus.repo == repo)
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if not with_revisions:
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q = q.filter(ChangesetStatus.version == 0)
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if revision:
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q = q.filter(ChangesetStatus.revision == revision)
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elif pull_request:
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pull_request = self.__get_pull_request(pull_request)
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q = q.filter(ChangesetStatus.pull_request == pull_request)
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else:
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raise Exception('Please specify revision or pull_request')
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q.order_by(ChangesetStatus.version.asc())
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return q
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def calculate_status(self, statuses_by_reviewers):
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"""
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approved if consensus
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(old description: leading one wins, if number of occurrences are equal than weaker wins)
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:param statuses_by_reviewers:
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"""
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votes = defaultdict(int)
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reviewers_number = len(statuses_by_reviewers)
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for user, statuses in statuses_by_reviewers:
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if statuses:
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ver, latest = statuses[0]
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votes[latest.status] += 1
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else:
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votes[ChangesetStatus.DEFAULT] += 1
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if votes.get(ChangesetStatus.STATUS_APPROVED) == reviewers_number:
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return ChangesetStatus.STATUS_APPROVED
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else:
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return ChangesetStatus.STATUS_UNDER_REVIEW
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def get_statuses(self, repo, revision=None, pull_request=None,
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with_revisions=False):
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q = self._get_status_query(repo, revision, pull_request,
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with_revisions)
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return q.all()
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def get_status(self, repo, revision=None, pull_request=None, as_str=True):
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"""
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Returns latest status of changeset for given revision or for given
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pull request. Statuses are versioned inside a table itself and
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version == 0 is always the current one
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:param repo:
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:param revision: 40char hash or None
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:param pull_request: pull_request reference
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:param as_str: return status as string not object
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"""
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q = self._get_status_query(repo, revision, pull_request)
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# need to use first here since there can be multiple statuses
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# returned from pull_request
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status = q.first()
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if as_str:
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status = status.status if status else status
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st = status or ChangesetStatus.DEFAULT
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return str(st)
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return status
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def set_status(self, repo, status, user, comment=None, revision=None,
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pull_request=None, dont_allow_on_closed_pull_request=False):
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"""
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Creates new status for changeset or updates the old ones bumping their
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version, leaving the current status at
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:param repo:
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:param revision:
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:param status:
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:param user:
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:param comment:
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:param dont_allow_on_closed_pull_request: don't allow a status change
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if last status was for pull request and it's closed. We shouldn't
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mess around this manually
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"""
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repo = self._get_repo(repo)
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q = ChangesetStatus.query()
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if not comment:
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from kallithea.model.comment import ChangesetCommentsModel
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comment = ChangesetCommentsModel().create(
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text=u'Auto status change to %s' % (ChangesetStatus.get_status_lbl(status)),
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repo=repo,
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user=user,
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pull_request=pull_request,
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send_email=False
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)
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if revision:
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q = q.filter(ChangesetStatus.repo == repo)
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q = q.filter(ChangesetStatus.revision == revision)
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elif pull_request:
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pull_request = self.__get_pull_request(pull_request)
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q = q.filter(ChangesetStatus.repo == pull_request.org_repo)
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q = q.filter(ChangesetStatus.revision.in_(pull_request.revisions))
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cur_statuses = q.all()
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#if statuses exists and last is associated with a closed pull request
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# we need to check if we can allow this status change
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if (dont_allow_on_closed_pull_request and cur_statuses
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and getattr(cur_statuses[0].pull_request, 'status', '')
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== PullRequest.STATUS_CLOSED):
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raise StatusChangeOnClosedPullRequestError(
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'Changing status on closed pull request is not allowed'
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)
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#update all current statuses with older version
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if cur_statuses:
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for st in cur_statuses:
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st.version += 1
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self.sa.add(st)
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def _create_status(user, repo, status, comment, revision, pull_request):
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new_status = ChangesetStatus()
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new_status.author = self._get_user(user)
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new_status.repo = self._get_repo(repo)
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new_status.status = status
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new_status.comment = comment
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new_status.revision = revision
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new_status.pull_request = pull_request
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return new_status
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if revision:
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new_status = _create_status(user=user, repo=repo, status=status,
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comment=comment, revision=revision,
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pull_request=None)
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self.sa.add(new_status)
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return new_status
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elif pull_request:
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#pull request can have more than one revision associated to it
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#we need to create new version for each one
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new_statuses = []
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repo = pull_request.org_repo
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for rev in pull_request.revisions:
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new_status = _create_status(user=user, repo=repo,
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status=status, comment=comment,
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revision=rev,
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pull_request=pull_request)
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new_statuses.append(new_status)
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self.sa.add(new_status)
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return new_statuses
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