merge: merged default into stable
merge: merged default into stable

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pull_request.py
1130 lines | 44.4 KiB | text/x-python | PythonLexer
/ rhodecode / model / pull_request.py
# -*- coding: utf-8 -*-
# Copyright (C) 2012-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
pull request model for RhodeCode
"""
from collections import namedtuple
import json
import logging
import datetime
from pylons.i18n.translation import _
from pylons.i18n.translation import lazy_ugettext
import rhodecode
from rhodecode.lib import helpers as h, hooks_utils, diffs
from rhodecode.lib.compat import OrderedDict
from rhodecode.lib.hooks_daemon import prepare_callback_daemon
from rhodecode.lib.markup_renderer import (
DEFAULT_COMMENTS_RENDERER, RstTemplateRenderer)
from rhodecode.lib.utils import action_logger
from rhodecode.lib.utils2 import safe_unicode, safe_str, md5_safe
from rhodecode.lib.vcs.backends.base import (
Reference, MergeResponse, MergeFailureReason)
from rhodecode.lib.vcs.exceptions import (
CommitDoesNotExistError, EmptyRepositoryError)
from rhodecode.model import BaseModel
from rhodecode.model.changeset_status import ChangesetStatusModel
from rhodecode.model.comment import ChangesetCommentsModel
from rhodecode.model.db import (
PullRequest, PullRequestReviewers, Notification, ChangesetStatus,
PullRequestVersion, ChangesetComment)
from rhodecode.model.meta import Session
from rhodecode.model.notification import NotificationModel, \
EmailNotificationModel
from rhodecode.model.scm import ScmModel
from rhodecode.model.settings import VcsSettingsModel
log = logging.getLogger(__name__)
class PullRequestModel(BaseModel):
cls = PullRequest
DIFF_CONTEXT = 3
MERGE_STATUS_MESSAGES = {
MergeFailureReason.NONE: lazy_ugettext(
'This pull request can be automatically merged.'),
MergeFailureReason.UNKNOWN: lazy_ugettext(
'This pull request cannot be merged because of an unhandled'
' exception.'),
MergeFailureReason.MERGE_FAILED: lazy_ugettext(
'This pull request cannot be merged because of conflicts.'),
MergeFailureReason.PUSH_FAILED: lazy_ugettext(
'This pull request could not be merged because push to target'
' failed.'),
MergeFailureReason.TARGET_IS_NOT_HEAD: lazy_ugettext(
'This pull request cannot be merged because the target is not a'
' head.'),
MergeFailureReason.HG_SOURCE_HAS_MORE_BRANCHES: lazy_ugettext(
'This pull request cannot be merged because the source contains'
' more branches than the target.'),
MergeFailureReason.HG_TARGET_HAS_MULTIPLE_HEADS: lazy_ugettext(
'This pull request cannot be merged because the target has'
' multiple heads.'),
MergeFailureReason.TARGET_IS_LOCKED: lazy_ugettext(
'This pull request cannot be merged because the target repository'
' is locked.'),
MergeFailureReason.MISSING_COMMIT: lazy_ugettext(
'This pull request cannot be merged because the target or the '
'source reference is missing.'),
}
def __get_pull_request(self, pull_request):
return self._get_instance(PullRequest, pull_request)
def _check_perms(self, perms, pull_request, user, api=False):
if not api:
return h.HasRepoPermissionAny(*perms)(
user=user, repo_name=pull_request.target_repo.repo_name)
else:
return h.HasRepoPermissionAnyApi(*perms)(
user=user, repo_name=pull_request.target_repo.repo_name)
def check_user_read(self, pull_request, user, api=False):
_perms = ('repository.admin', 'repository.write', 'repository.read',)
return self._check_perms(_perms, pull_request, user, api)
def check_user_merge(self, pull_request, user, api=False):
_perms = ('repository.admin', 'repository.write', 'hg.admin',)
return self._check_perms(_perms, pull_request, user, api)
def check_user_update(self, pull_request, user, api=False):
owner = user.user_id == pull_request.user_id
return self.check_user_merge(pull_request, user, api) or owner
def check_user_change_status(self, pull_request, user, api=False):
reviewer = user.user_id in [x.user_id for x in
pull_request.reviewers]
return self.check_user_update(pull_request, user, api) or reviewer
def get(self, pull_request):
return self.__get_pull_request(pull_request)
def _prepare_get_all_query(self, repo_name, source=False, statuses=None,
opened_by=None, order_by=None,
order_dir='desc'):
repo = self._get_repo(repo_name)
q = PullRequest.query()
# source or target
if source:
q = q.filter(PullRequest.source_repo == repo)
else:
q = q.filter(PullRequest.target_repo == repo)
# closed,opened
if statuses:
q = q.filter(PullRequest.status.in_(statuses))
# opened by filter
if opened_by:
q = q.filter(PullRequest.user_id.in_(opened_by))
if order_by:
order_map = {
'name_raw': PullRequest.pull_request_id,
'title': PullRequest.title,
'updated_on_raw': PullRequest.updated_on
}
if order_dir == 'asc':
q = q.order_by(order_map[order_by].asc())
else:
q = q.order_by(order_map[order_by].desc())
return q
def count_all(self, repo_name, source=False, statuses=None,
opened_by=None):
"""
Count the number of pull requests for a specific repository.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:returns: int number of pull requests
"""
q = self._prepare_get_all_query(
repo_name, source=source, statuses=statuses, opened_by=opened_by)
return q.count()
def get_all(self, repo_name, source=False, statuses=None, opened_by=None,
offset=0, length=None, order_by=None, order_dir='desc'):
"""
Get all pull requests for a specific repository.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:param offset: pagination offset
:param length: length of returned list
:param order_by: order of the returned list
:param order_dir: 'asc' or 'desc' ordering direction
:returns: list of pull requests
"""
q = self._prepare_get_all_query(
repo_name, source=source, statuses=statuses, opened_by=opened_by,
order_by=order_by, order_dir=order_dir)
if length:
pull_requests = q.limit(length).offset(offset).all()
else:
pull_requests = q.all()
return pull_requests
def count_awaiting_review(self, repo_name, source=False, statuses=None,
opened_by=None):
"""
Count the number of pull requests for a specific repository that are
awaiting review.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:returns: int number of pull requests
"""
pull_requests = self.get_awaiting_review(
repo_name, source=source, statuses=statuses, opened_by=opened_by)
return len(pull_requests)
def get_awaiting_review(self, repo_name, source=False, statuses=None,
opened_by=None, offset=0, length=None,
order_by=None, order_dir='desc'):
"""
Get all pull requests for a specific repository that are awaiting
review.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:param offset: pagination offset
:param length: length of returned list
:param order_by: order of the returned list
:param order_dir: 'asc' or 'desc' ordering direction
:returns: list of pull requests
"""
pull_requests = self.get_all(
repo_name, source=source, statuses=statuses, opened_by=opened_by,
order_by=order_by, order_dir=order_dir)
_filtered_pull_requests = []
for pr in pull_requests:
status = pr.calculated_review_status()
if status in [ChangesetStatus.STATUS_NOT_REVIEWED,
ChangesetStatus.STATUS_UNDER_REVIEW]:
_filtered_pull_requests.append(pr)
if length:
return _filtered_pull_requests[offset:offset+length]
else:
return _filtered_pull_requests
def count_awaiting_my_review(self, repo_name, source=False, statuses=None,
opened_by=None, user_id=None):
"""
Count the number of pull requests for a specific repository that are
awaiting review from a specific user.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:param user_id: reviewer user of the pull request
:returns: int number of pull requests
"""
pull_requests = self.get_awaiting_my_review(
repo_name, source=source, statuses=statuses, opened_by=opened_by,
user_id=user_id)
return len(pull_requests)
def get_awaiting_my_review(self, repo_name, source=False, statuses=None,
opened_by=None, user_id=None, offset=0,
length=None, order_by=None, order_dir='desc'):
"""
Get all pull requests for a specific repository that are awaiting
review from a specific user.
:param repo_name: target or source repo
:param source: boolean flag to specify if repo_name refers to source
:param statuses: list of pull request statuses
:param opened_by: author user of the pull request
:param user_id: reviewer user of the pull request
:param offset: pagination offset
:param length: length of returned list
:param order_by: order of the returned list
:param order_dir: 'asc' or 'desc' ordering direction
:returns: list of pull requests
"""
pull_requests = self.get_all(
repo_name, source=source, statuses=statuses, opened_by=opened_by,
order_by=order_by, order_dir=order_dir)
_my = PullRequestModel().get_not_reviewed(user_id)
my_participation = []
for pr in pull_requests:
if pr in _my:
my_participation.append(pr)
_filtered_pull_requests = my_participation
if length:
return _filtered_pull_requests[offset:offset+length]
else:
return _filtered_pull_requests
def get_not_reviewed(self, user_id):
return [
x.pull_request for x in PullRequestReviewers.query().filter(
PullRequestReviewers.user_id == user_id).all()
]
def get_versions(self, pull_request):
"""
returns version of pull request sorted by ID descending
"""
return PullRequestVersion.query()\
.filter(PullRequestVersion.pull_request == pull_request)\
.order_by(PullRequestVersion.pull_request_version_id.asc())\
.all()
def create(self, created_by, source_repo, source_ref, target_repo,
target_ref, revisions, reviewers, title, description=None):
created_by_user = self._get_user(created_by)
source_repo = self._get_repo(source_repo)
target_repo = self._get_repo(target_repo)
pull_request = PullRequest()
pull_request.source_repo = source_repo
pull_request.source_ref = source_ref
pull_request.target_repo = target_repo
pull_request.target_ref = target_ref
pull_request.revisions = revisions
pull_request.title = title
pull_request.description = description
pull_request.author = created_by_user
Session().add(pull_request)
Session().flush()
# members / reviewers
for user_id in set(reviewers):
user = self._get_user(user_id)
reviewer = PullRequestReviewers(user, pull_request)
Session().add(reviewer)
# Set approval status to "Under Review" for all commits which are
# part of this pull request.
ChangesetStatusModel().set_status(
repo=target_repo,
status=ChangesetStatus.STATUS_UNDER_REVIEW,
user=created_by_user,
pull_request=pull_request
)
self.notify_reviewers(pull_request, reviewers)
self._trigger_pull_request_hook(
pull_request, created_by_user, 'create')
return pull_request
def _trigger_pull_request_hook(self, pull_request, user, action):
pull_request = self.__get_pull_request(pull_request)
target_scm = pull_request.target_repo.scm_instance()
if action == 'create':
trigger_hook = hooks_utils.trigger_log_create_pull_request_hook
elif action == 'merge':
trigger_hook = hooks_utils.trigger_log_merge_pull_request_hook
elif action == 'close':
trigger_hook = hooks_utils.trigger_log_close_pull_request_hook
elif action == 'review_status_change':
trigger_hook = hooks_utils.trigger_log_review_pull_request_hook
elif action == 'update':
trigger_hook = hooks_utils.trigger_log_update_pull_request_hook
else:
return
trigger_hook(
username=user.username,
repo_name=pull_request.target_repo.repo_name,
repo_alias=target_scm.alias,
pull_request=pull_request)
def _get_commit_ids(self, pull_request):
"""
Return the commit ids of the merged pull request.
This method is not dealing correctly yet with the lack of autoupdates
nor with the implicit target updates.
For example: if a commit in the source repo is already in the target it
will be reported anyways.
"""
merge_rev = pull_request.merge_rev
if merge_rev is None:
raise ValueError('This pull request was not merged yet')
commit_ids = list(pull_request.revisions)
if merge_rev not in commit_ids:
commit_ids.append(merge_rev)
return commit_ids
def merge(self, pull_request, user, extras):
merge_state = self._merge_pull_request(pull_request, user, extras)
if merge_state.executed:
self._comment_and_close_pr(pull_request, user, merge_state)
self._log_action('user_merged_pull_request', user, pull_request)
return merge_state
def _merge_pull_request(self, pull_request, user, extras):
target_vcs = pull_request.target_repo.scm_instance()
source_vcs = pull_request.source_repo.scm_instance()
target_ref = self._refresh_reference(
pull_request.target_ref_parts, target_vcs)
message = _(
'Merge pull request #%(pr_id)s from '
'%(source_repo)s %(source_ref_name)s\n\n %(pr_title)s') % {
'pr_id': pull_request.pull_request_id,
'source_repo': source_vcs.name,
'source_ref_name': pull_request.source_ref_parts.name,
'pr_title': pull_request.title
}
workspace_id = self._workspace_id(pull_request)
protocol = rhodecode.CONFIG.get('vcs.hooks.protocol')
use_direct_calls = rhodecode.CONFIG.get('vcs.hooks.direct_calls')
callback_daemon, extras = prepare_callback_daemon(
extras, protocol=protocol, use_direct_calls=use_direct_calls)
with callback_daemon:
# TODO: johbo: Implement a clean way to run a config_override
# for a single call.
target_vcs.config.set(
'rhodecode', 'RC_SCM_DATA', json.dumps(extras))
merge_state = target_vcs.merge(
target_ref, source_vcs, pull_request.source_ref_parts,
workspace_id, user_name=user.username,
user_email=user.email, message=message)
return merge_state
def _comment_and_close_pr(self, pull_request, user, merge_state):
pull_request.merge_rev = merge_state.merge_commit_id
pull_request.updated_on = datetime.datetime.now()
ChangesetCommentsModel().create(
text=unicode(_('Pull request merged and closed')),
repo=pull_request.target_repo.repo_id,
user=user.user_id,
pull_request=pull_request.pull_request_id,
f_path=None,
line_no=None,
closing_pr=True
)
Session().add(pull_request)
Session().flush()
# TODO: paris: replace invalidation with less radical solution
ScmModel().mark_for_invalidation(
pull_request.target_repo.repo_name)
self._trigger_pull_request_hook(pull_request, user, 'merge')
def has_valid_update_type(self, pull_request):
source_ref_type = pull_request.source_ref_parts.type
return source_ref_type in ['book', 'branch', 'tag']
def update_commits(self, pull_request):
"""
Get the updated list of commits for the pull request
and return the new pull request version and the list
of commits processed by this update action
"""
pull_request = self.__get_pull_request(pull_request)
source_ref_type = pull_request.source_ref_parts.type
source_ref_name = pull_request.source_ref_parts.name
source_ref_id = pull_request.source_ref_parts.commit_id
if not self.has_valid_update_type(pull_request):
log.debug(
"Skipping update of pull request %s due to ref type: %s",
pull_request, source_ref_type)
return (None, None)
source_repo = pull_request.source_repo.scm_instance()
source_commit = source_repo.get_commit(commit_id=source_ref_name)
if source_ref_id == source_commit.raw_id:
log.debug("Nothing changed in pull request %s", pull_request)
return (None, None)
# Finally there is a need for an update
pull_request_version = self._create_version_from_snapshot(pull_request)
self._link_comments_to_version(pull_request_version)
target_ref_type = pull_request.target_ref_parts.type
target_ref_name = pull_request.target_ref_parts.name
target_ref_id = pull_request.target_ref_parts.commit_id
target_repo = pull_request.target_repo.scm_instance()
if target_ref_type in ('tag', 'branch', 'book'):
target_commit = target_repo.get_commit(target_ref_name)
else:
target_commit = target_repo.get_commit(target_ref_id)
# re-compute commit ids
old_commit_ids = set(pull_request.revisions)
pre_load = ["author", "branch", "date", "message"]
commit_ranges = target_repo.compare(
target_commit.raw_id, source_commit.raw_id, source_repo, merge=True,
pre_load=pre_load)
ancestor = target_repo.get_common_ancestor(
target_commit.raw_id, source_commit.raw_id, source_repo)
pull_request.source_ref = '%s:%s:%s' % (
source_ref_type, source_ref_name, source_commit.raw_id)
pull_request.target_ref = '%s:%s:%s' % (
target_ref_type, target_ref_name, ancestor)
pull_request.revisions = [
commit.raw_id for commit in reversed(commit_ranges)]
pull_request.updated_on = datetime.datetime.now()
Session().add(pull_request)
new_commit_ids = set(pull_request.revisions)
changes = self._calculate_commit_id_changes(
old_commit_ids, new_commit_ids)
old_diff_data, new_diff_data = self._generate_update_diffs(
pull_request, pull_request_version)
ChangesetCommentsModel().outdate_comments(
pull_request, old_diff_data=old_diff_data,
new_diff_data=new_diff_data)
file_changes = self._calculate_file_changes(
old_diff_data, new_diff_data)
# Add an automatic comment to the pull request
update_comment = ChangesetCommentsModel().create(
text=self._render_update_message(changes, file_changes),
repo=pull_request.target_repo,
user=pull_request.author,
pull_request=pull_request,
send_email=False, renderer=DEFAULT_COMMENTS_RENDERER)
# Update status to "Under Review" for added commits
for commit_id in changes.added:
ChangesetStatusModel().set_status(
repo=pull_request.source_repo,
status=ChangesetStatus.STATUS_UNDER_REVIEW,
comment=update_comment,
user=pull_request.author,
pull_request=pull_request,
revision=commit_id)
log.debug(
'Updated pull request %s, added_ids: %s, common_ids: %s, '
'removed_ids: %s', pull_request.pull_request_id,
changes.added, changes.common, changes.removed)
log.debug('Updated pull request with the following file changes: %s',
file_changes)
log.info(
"Updated pull request %s from commit %s to commit %s, "
"stored new version %s of this pull request.",
pull_request.pull_request_id, source_ref_id,
pull_request.source_ref_parts.commit_id,
pull_request_version.pull_request_version_id)
Session().commit()
self._trigger_pull_request_hook(pull_request, pull_request.author,
'update')
return (pull_request_version, changes)
def _create_version_from_snapshot(self, pull_request):
version = PullRequestVersion()
version.title = pull_request.title
version.description = pull_request.description
version.status = pull_request.status
version.created_on = pull_request.created_on
version.updated_on = pull_request.updated_on
version.user_id = pull_request.user_id
version.source_repo = pull_request.source_repo
version.source_ref = pull_request.source_ref
version.target_repo = pull_request.target_repo
version.target_ref = pull_request.target_ref
version._last_merge_source_rev = pull_request._last_merge_source_rev
version._last_merge_target_rev = pull_request._last_merge_target_rev
version._last_merge_status = pull_request._last_merge_status
version.merge_rev = pull_request.merge_rev
version.revisions = pull_request.revisions
version.pull_request = pull_request
Session().add(version)
Session().flush()
return version
def _generate_update_diffs(self, pull_request, pull_request_version):
diff_context = (
self.DIFF_CONTEXT +
ChangesetCommentsModel.needed_extra_diff_context())
old_diff = self._get_diff_from_pr_or_version(
pull_request_version, context=diff_context)
new_diff = self._get_diff_from_pr_or_version(
pull_request, context=diff_context)
old_diff_data = diffs.DiffProcessor(old_diff)
old_diff_data.prepare()
new_diff_data = diffs.DiffProcessor(new_diff)
new_diff_data.prepare()
return old_diff_data, new_diff_data
def _link_comments_to_version(self, pull_request_version):
"""
Link all unlinked comments of this pull request to the given version.
:param pull_request_version: The `PullRequestVersion` to which
the comments shall be linked.
"""
pull_request = pull_request_version.pull_request
comments = ChangesetComment.query().filter(
# TODO: johbo: Should we query for the repo at all here?
# Pending decision on how comments of PRs are to be related
# to either the source repo, the target repo or no repo at all.
ChangesetComment.repo_id == pull_request.target_repo.repo_id,
ChangesetComment.pull_request == pull_request,
ChangesetComment.pull_request_version == None)
# TODO: johbo: Find out why this breaks if it is done in a bulk
# operation.
for comment in comments:
comment.pull_request_version_id = (
pull_request_version.pull_request_version_id)
Session().add(comment)
def _calculate_commit_id_changes(self, old_ids, new_ids):
added = new_ids.difference(old_ids)
common = old_ids.intersection(new_ids)
removed = old_ids.difference(new_ids)
return ChangeTuple(added, common, removed)
def _calculate_file_changes(self, old_diff_data, new_diff_data):
old_files = OrderedDict()
for diff_data in old_diff_data.parsed_diff:
old_files[diff_data['filename']] = md5_safe(diff_data['raw_diff'])
added_files = []
modified_files = []
removed_files = []
for diff_data in new_diff_data.parsed_diff:
new_filename = diff_data['filename']
new_hash = md5_safe(diff_data['raw_diff'])
old_hash = old_files.get(new_filename)
if not old_hash:
# file is not present in old diff, means it's added
added_files.append(new_filename)
else:
if new_hash != old_hash:
modified_files.append(new_filename)
# now remove a file from old, since we have seen it already
del old_files[new_filename]
# removed files is when there are present in old, but not in NEW,
# since we remove old files that are present in new diff, left-overs
# if any should be the removed files
removed_files.extend(old_files.keys())
return FileChangeTuple(added_files, modified_files, removed_files)
def _render_update_message(self, changes, file_changes):
"""
render the message using DEFAULT_COMMENTS_RENDERER (RST renderer),
so it's always looking the same disregarding on which default
renderer system is using.
:param changes: changes named tuple
:param file_changes: file changes named tuple
"""
new_status = ChangesetStatus.get_status_lbl(
ChangesetStatus.STATUS_UNDER_REVIEW)
changed_files = (
file_changes.added + file_changes.modified + file_changes.removed)
params = {
'under_review_label': new_status,
'added_commits': changes.added,
'removed_commits': changes.removed,
'changed_files': changed_files,
'added_files': file_changes.added,
'modified_files': file_changes.modified,
'removed_files': file_changes.removed,
}
renderer = RstTemplateRenderer()
return renderer.render('pull_request_update.mako', **params)
def edit(self, pull_request, title, description):
pull_request = self.__get_pull_request(pull_request)
if pull_request.is_closed():
raise ValueError('This pull request is closed')
if title:
pull_request.title = title
pull_request.description = description
pull_request.updated_on = datetime.datetime.now()
Session().add(pull_request)
def update_reviewers(self, pull_request, reviewers_ids):
reviewers_ids = set(reviewers_ids)
pull_request = self.__get_pull_request(pull_request)
current_reviewers = PullRequestReviewers.query()\
.filter(PullRequestReviewers.pull_request ==
pull_request).all()
current_reviewers_ids = set([x.user.user_id for x in current_reviewers])
ids_to_add = reviewers_ids.difference(current_reviewers_ids)
ids_to_remove = current_reviewers_ids.difference(reviewers_ids)
log.debug("Adding %s reviewers", ids_to_add)
log.debug("Removing %s reviewers", ids_to_remove)
changed = False
for uid in ids_to_add:
changed = True
_usr = self._get_user(uid)
reviewer = PullRequestReviewers(_usr, pull_request)
Session().add(reviewer)
self.notify_reviewers(pull_request, ids_to_add)
for uid in ids_to_remove:
changed = True
reviewer = PullRequestReviewers.query()\
.filter(PullRequestReviewers.user_id == uid,
PullRequestReviewers.pull_request == pull_request)\
.scalar()
if reviewer:
Session().delete(reviewer)
if changed:
pull_request.updated_on = datetime.datetime.now()
Session().add(pull_request)
return ids_to_add, ids_to_remove
def notify_reviewers(self, pull_request, reviewers_ids):
# notification to reviewers
if not reviewers_ids:
return
pull_request_obj = pull_request
# get the current participants of this pull request
recipients = reviewers_ids
notification_type = EmailNotificationModel.TYPE_PULL_REQUEST
pr_source_repo = pull_request_obj.source_repo
pr_target_repo = pull_request_obj.target_repo
pr_url = h.url(
'pullrequest_show',
repo_name=pr_target_repo.repo_name,
pull_request_id=pull_request_obj.pull_request_id,
qualified=True,)
# set some variables for email notification
pr_target_repo_url = h.url(
'summary_home',
repo_name=pr_target_repo.repo_name,
qualified=True)
pr_source_repo_url = h.url(
'summary_home',
repo_name=pr_source_repo.repo_name,
qualified=True)
# pull request specifics
pull_request_commits = [
(x.raw_id, x.message)
for x in map(pr_source_repo.get_commit, pull_request.revisions)]
kwargs = {
'user': pull_request.author,
'pull_request': pull_request_obj,
'pull_request_commits': pull_request_commits,
'pull_request_target_repo': pr_target_repo,
'pull_request_target_repo_url': pr_target_repo_url,
'pull_request_source_repo': pr_source_repo,
'pull_request_source_repo_url': pr_source_repo_url,
'pull_request_url': pr_url,
}
# pre-generate the subject for notification itself
(subject,
_h, _e, # we don't care about those
body_plaintext) = EmailNotificationModel().render_email(
notification_type, **kwargs)
# create notification objects, and emails
NotificationModel().create(
created_by=pull_request.author,
notification_subject=subject,
notification_body=body_plaintext,
notification_type=notification_type,
recipients=recipients,
email_kwargs=kwargs,
)
def delete(self, pull_request):
pull_request = self.__get_pull_request(pull_request)
self._cleanup_merge_workspace(pull_request)
Session().delete(pull_request)
def close_pull_request(self, pull_request, user):
pull_request = self.__get_pull_request(pull_request)
self._cleanup_merge_workspace(pull_request)
pull_request.status = PullRequest.STATUS_CLOSED
pull_request.updated_on = datetime.datetime.now()
Session().add(pull_request)
self._trigger_pull_request_hook(
pull_request, pull_request.author, 'close')
self._log_action('user_closed_pull_request', user, pull_request)
def close_pull_request_with_comment(self, pull_request, user, repo,
message=None):
status = ChangesetStatus.STATUS_REJECTED
if not message:
message = (
_('Status change %(transition_icon)s %(status)s') % {
'transition_icon': '>',
'status': ChangesetStatus.get_status_lbl(status)})
internal_message = _('Closing with') + ' ' + message
comm = ChangesetCommentsModel().create(
text=internal_message,
repo=repo.repo_id,
user=user.user_id,
pull_request=pull_request.pull_request_id,
f_path=None,
line_no=None,
status_change=ChangesetStatus.get_status_lbl(status),
closing_pr=True
)
ChangesetStatusModel().set_status(
repo.repo_id,
status,
user.user_id,
comm,
pull_request=pull_request.pull_request_id
)
Session().flush()
PullRequestModel().close_pull_request(
pull_request.pull_request_id, user)
def merge_status(self, pull_request):
if not self._is_merge_enabled(pull_request):
return False, _('Server-side pull request merging is disabled.')
if pull_request.is_closed():
return False, _('This pull request is closed.')
merge_possible, msg = self._check_repo_requirements(
target=pull_request.target_repo, source=pull_request.source_repo)
if not merge_possible:
return merge_possible, msg
try:
resp = self._try_merge(pull_request)
status = resp.possible, self.merge_status_message(
resp.failure_reason)
except NotImplementedError:
status = False, _('Pull request merging is not supported.')
return status
def _check_repo_requirements(self, target, source):
"""
Check if `target` and `source` have compatible requirements.
Currently this is just checking for largefiles.
"""
target_has_largefiles = self._has_largefiles(target)
source_has_largefiles = self._has_largefiles(source)
merge_possible = True
message = u''
if target_has_largefiles != source_has_largefiles:
merge_possible = False
if source_has_largefiles:
message = _(
'Target repository large files support is disabled.')
else:
message = _(
'Source repository large files support is disabled.')
return merge_possible, message
def _has_largefiles(self, repo):
largefiles_ui = VcsSettingsModel(repo=repo).get_ui_settings(
'extensions', 'largefiles')
return largefiles_ui and largefiles_ui[0].active
def _try_merge(self, pull_request):
"""
Try to merge the pull request and return the merge status.
"""
target_vcs = pull_request.target_repo.scm_instance()
target_ref = self._refresh_reference(
pull_request.target_ref_parts, target_vcs)
target_locked = pull_request.target_repo.locked
if target_locked and target_locked[0]:
merge_state = MergeResponse(
False, False, None, MergeFailureReason.TARGET_IS_LOCKED)
elif self._needs_merge_state_refresh(pull_request, target_ref):
merge_state = self._refresh_merge_state(
pull_request, target_vcs, target_ref)
else:
possible = pull_request.\
_last_merge_status == MergeFailureReason.NONE
merge_state = MergeResponse(
possible, False, None, pull_request._last_merge_status)
return merge_state
def _refresh_reference(self, reference, vcs_repository):
if reference.type in ('branch', 'book'):
name_or_id = reference.name
else:
name_or_id = reference.commit_id
refreshed_commit = vcs_repository.get_commit(name_or_id)
refreshed_reference = Reference(
reference.type, reference.name, refreshed_commit.raw_id)
return refreshed_reference
def _needs_merge_state_refresh(self, pull_request, target_reference):
return not(
pull_request.revisions and
pull_request.revisions[0] == pull_request._last_merge_source_rev and
target_reference.commit_id == pull_request._last_merge_target_rev)
def _refresh_merge_state(self, pull_request, target_vcs, target_reference):
workspace_id = self._workspace_id(pull_request)
source_vcs = pull_request.source_repo.scm_instance()
merge_state = target_vcs.merge(
target_reference, source_vcs, pull_request.source_ref_parts,
workspace_id, dry_run=True)
# Do not store the response if there was an unknown error.
if merge_state.failure_reason != MergeFailureReason.UNKNOWN:
pull_request._last_merge_source_rev = pull_request.\
source_ref_parts.commit_id
pull_request._last_merge_target_rev = target_reference.commit_id
pull_request._last_merge_status = (
merge_state.failure_reason)
Session().add(pull_request)
Session().flush()
return merge_state
def _workspace_id(self, pull_request):
workspace_id = 'pr-%s' % pull_request.pull_request_id
return workspace_id
def merge_status_message(self, status_code):
"""
Return a human friendly error message for the given merge status code.
"""
return self.MERGE_STATUS_MESSAGES[status_code]
def generate_repo_data(self, repo, commit_id=None, branch=None,
bookmark=None):
all_refs, selected_ref = \
self._get_repo_pullrequest_sources(
repo.scm_instance(), commit_id=commit_id,
branch=branch, bookmark=bookmark)
refs_select2 = []
for element in all_refs:
children = [{'id': x[0], 'text': x[1]} for x in element[0]]
refs_select2.append({'text': element[1], 'children': children})
return {
'user': {
'user_id': repo.user.user_id,
'username': repo.user.username,
'firstname': repo.user.firstname,
'lastname': repo.user.lastname,
'gravatar_link': h.gravatar_url(repo.user.email, 14),
},
'description': h.chop_at_smart(repo.description, '\n'),
'refs': {
'all_refs': all_refs,
'selected_ref': selected_ref,
'select2_refs': refs_select2
}
}
def generate_pullrequest_title(self, source, source_ref, target):
return '{source}#{at_ref} to {target}'.format(
source=source,
at_ref=source_ref,
target=target,
)
def _cleanup_merge_workspace(self, pull_request):
# Merging related cleanup
target_scm = pull_request.target_repo.scm_instance()
workspace_id = 'pr-%s' % pull_request.pull_request_id
try:
target_scm.cleanup_merge_workspace(workspace_id)
except NotImplementedError:
pass
def _get_repo_pullrequest_sources(
self, repo, commit_id=None, branch=None, bookmark=None):
"""
Return a structure with repo's interesting commits, suitable for
the selectors in pullrequest controller
:param commit_id: a commit that must be in the list somehow
and selected by default
:param branch: a branch that must be in the list and selected
by default - even if closed
:param bookmark: a bookmark that must be in the list and selected
"""
commit_id = safe_str(commit_id) if commit_id else None
branch = safe_str(branch) if branch else None
bookmark = safe_str(bookmark) if bookmark else None
selected = None
# order matters: first source that has commit_id in it will be selected
sources = []
sources.append(('book', repo.bookmarks.items(), _('Bookmarks'), bookmark))
sources.append(('branch', repo.branches.items(), _('Branches'), branch))
if commit_id:
ref_commit = (h.short_id(commit_id), commit_id)
sources.append(('rev', [ref_commit], _('Commit IDs'), commit_id))
sources.append(
('branch', repo.branches_closed.items(), _('Closed Branches'), branch),
)
groups = []
for group_key, ref_list, group_name, match in sources:
group_refs = []
for ref_name, ref_id in ref_list:
ref_key = '%s:%s:%s' % (group_key, ref_name, ref_id)
group_refs.append((ref_key, ref_name))
if not selected:
if set([commit_id, match]) & set([ref_id, ref_name]):
selected = ref_key
if group_refs:
groups.append((group_refs, group_name))
if not selected:
ref = commit_id or branch or bookmark
if ref:
raise CommitDoesNotExistError(
'No commit refs could be found matching: %s' % ref)
elif repo.DEFAULT_BRANCH_NAME in repo.branches:
selected = 'branch:%s:%s' % (
repo.DEFAULT_BRANCH_NAME,
repo.branches[repo.DEFAULT_BRANCH_NAME]
)
elif repo.commit_ids:
rev = repo.commit_ids[0]
selected = 'rev:%s:%s' % (rev, rev)
else:
raise EmptyRepositoryError()
return groups, selected
def get_diff(self, pull_request, context=DIFF_CONTEXT):
pull_request = self.__get_pull_request(pull_request)
return self._get_diff_from_pr_or_version(pull_request, context=context)
def _get_diff_from_pr_or_version(self, pr_or_version, context):
source_repo = pr_or_version.source_repo
# we swap org/other ref since we run a simple diff on one repo
target_ref_id = pr_or_version.target_ref_parts.commit_id
source_ref_id = pr_or_version.source_ref_parts.commit_id
target_commit = source_repo.get_commit(
commit_id=safe_str(target_ref_id))
source_commit = source_repo.get_commit(commit_id=safe_str(source_ref_id))
vcs_repo = source_repo.scm_instance()
# TODO: johbo: In the context of an update, we cannot reach
# the old commit anymore with our normal mechanisms. It needs
# some sort of special support in the vcs layer to avoid this
# workaround.
if (source_commit.raw_id == vcs_repo.EMPTY_COMMIT_ID and
vcs_repo.alias == 'git'):
source_commit.raw_id = safe_str(source_ref_id)
log.debug('calculating diff between '
'source_ref:%s and target_ref:%s for repo `%s`',
target_ref_id, source_ref_id,
safe_unicode(vcs_repo.path))
vcs_diff = vcs_repo.get_diff(
commit1=target_commit, commit2=source_commit, context=context)
return vcs_diff
def _is_merge_enabled(self, pull_request):
settings_model = VcsSettingsModel(repo=pull_request.target_repo)
settings = settings_model.get_general_settings()
return settings.get('rhodecode_pr_merge_enabled', False)
def _log_action(self, action, user, pull_request):
action_logger(
user,
'{action}:{pr_id}'.format(
action=action, pr_id=pull_request.pull_request_id),
pull_request.target_repo)
ChangeTuple = namedtuple('ChangeTuple',
['added', 'common', 'removed'])
FileChangeTuple = namedtuple('FileChangeTuple',
['added', 'modified', 'removed'])