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# -*- coding: utf-8 -*-
"""
rhodecode.controllers.compare
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compare controller for pylons showoing differences between two
repos, branches, bookmarks or tips
:created_on: May 6, 2012
:author: marcink
:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
:license: GPLv3, see COPYING for more details.
"""
# 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
import traceback
from webob.exc import HTTPNotFound
from pylons import request, response, session, tmpl_context as c, url
from pylons.controllers.util import abort, redirect
from pylons.i18n.translation import _
from rhodecode.lib.vcs.exceptions import EmptyRepositoryError, RepositoryError
from rhodecode.lib import helpers as h
from rhodecode.lib.base import BaseRepoController, render
from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from rhodecode.lib import diffs
from rhodecode.model.db import Repository
from rhodecode.model.pull_request import PullRequestModel
from webob.exc import HTTPBadRequest
from rhodecode.lib.utils2 import str2bool
from rhodecode.lib.diffs import LimitedDiffContainer
from rhodecode.lib.vcs.backends.base import EmptyChangeset
log = logging.getLogger(__name__)
class CompareController(BaseRepoController):
@LoginRequired()
@HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
'repository.admin')
def __before__(self):
super(CompareController, self).__before__()
def __get_cs_or_redirect(self, rev, repo, redirect_after=True,
partial=False):
"""
Safe way to get changeset if error occur it redirects to changeset with
proper message. If partial is set then don't do redirect raise Exception
instead
:param rev: revision to fetch
:param repo: repo instance
"""
try:
type_, rev = rev
return repo.scm_instance.get_changeset(rev)
except EmptyRepositoryError, e:
if not redirect_after:
return None
h.flash(h.literal(_('There are no changesets yet')),
category='warning')
redirect(url('summary_home', repo_name=repo.repo_name))
except RepositoryError, e:
log.error(traceback.format_exc())
h.flash(str(e), category='warning')
if not partial:
redirect(h.url('summary_home', repo_name=repo.repo_name))
raise HTTPBadRequest()
def index(self, org_ref_type, org_ref, other_ref_type, other_ref):
org_repo = c.rhodecode_db_repo.repo_name
org_ref = (org_ref_type, org_ref)
other_ref = (other_ref_type, other_ref)
other_repo = request.GET.get('repo', org_repo)
incoming_changesets = str2bool(request.GET.get('bundle', False))
c.fulldiff = fulldiff = request.GET.get('fulldiff')
rev_start = request.GET.get('rev_start')
rev_end = request.GET.get('rev_end')
c.swap_url = h.url('compare_url', repo_name=other_repo,
org_ref_type=other_ref[0], org_ref=other_ref[1],
other_ref_type=org_ref[0], other_ref=org_ref[1],
repo=org_repo, as_form=request.GET.get('as_form'),
bundle=incoming_changesets)
c.org_repo = org_repo = Repository.get_by_repo_name(org_repo)
c.other_repo = other_repo = Repository.get_by_repo_name(other_repo)
if c.org_repo is None:
log.error('Could not find org repo %s' % org_repo)
raise HTTPNotFound
if c.other_repo is None:
log.error('Could not find other repo %s' % other_repo)
raise HTTPNotFound
if c.org_repo != c.other_repo and h.is_git(c.rhodecode_repo):
log.error('compare of two remote repos not available for GIT REPOS')
raise HTTPNotFound
if c.org_repo.scm_instance.alias != c.other_repo.scm_instance.alias:
log.error('compare of two different kind of remote repos not available')
raise HTTPNotFound
partial = request.environ.get('HTTP_X_PARTIAL_XHR')
self.__get_cs_or_redirect(rev=org_ref, repo=org_repo, partial=partial)
self.__get_cs_or_redirect(rev=other_ref, repo=other_repo, partial=partial)
if rev_start and rev_end:
#replace our org_ref with given CS
org_ref = ('rev', rev_start)
other_ref = ('rev', rev_end)
c.cs_ranges, discovery_data = PullRequestModel().get_compare_data(
org_repo, org_ref, other_repo, other_ref,
)
c.statuses = c.rhodecode_db_repo.statuses([x.raw_id for x in
c.cs_ranges])
c.target_repo = c.repo_name
# defines that we need hidden inputs with changesets
c.as_form = request.GET.get('as_form', False)
if partial:
return render('compare/compare_cs.html')
c.org_ref = org_ref[1]
c.other_ref = other_ref[1]
if not incoming_changesets and c.cs_ranges and c.org_repo != c.other_repo:
# case we want a simple diff without incoming changesets, just
# for review purposes. Make the diff on the forked repo, with
# revision that is common ancestor
_org_ref = org_ref
org_ref = ('rev', getattr(c.cs_ranges[0].parents[0]
if c.cs_ranges[0].parents
else EmptyChangeset(), 'raw_id'))
log.debug('Changed org_ref from %s to %s' % (_org_ref, org_ref))
other_repo = org_repo
diff_limit = self.cut_off_limit if not fulldiff else None
_diff = diffs.differ(org_repo, org_ref, other_repo, other_ref,
discovery_data,
remote_compare=incoming_changesets)
diff_processor = diffs.DiffProcessor(_diff or '', format='gitdiff',
diff_limit=diff_limit)
_parsed = diff_processor.prepare()
c.limited_diff = False
if isinstance(_parsed, LimitedDiffContainer):
c.limited_diff = True
c.files = []
c.changes = {}
c.lines_added = 0
c.lines_deleted = 0
for f in _parsed:
st = f['stats']
if st[0] != 'b':
c.lines_added += st[0]
c.lines_deleted += st[1]
fid = h.FID('', f['filename'])
c.files.append([fid, f['operation'], f['filename'], f['stats']])
diff = diff_processor.as_html(enable_comments=False, parsed_lines=[f])
c.changes[fid] = [f['operation'], f['filename'], diff]
return render('compare/compare_diff.html')
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