Mercurial > kallithea
view rhodecode/controllers/changelog.py @ 1109:41a695e604ba beta
small fixes, and optimization for changelog graph
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Tue, 01 Mar 2011 14:14:10 +0100 |
parents | 5cbaeda8ec6f |
children | 1cecc7db3106 |
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# -*- coding: utf-8 -*- """ rhodecode.controllers.changelog ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ changelog controller for rhodecode :created_on: Apr 21, 2010 :author: marcink :copyright: (C) 2009-2011 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; version 2 # of the License or (at your opinion) any later version of the license. # # 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, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, # MA 02110-1301, USA. import logging try: import json except ImportError: #python 2.5 compatibility import simplejson as json from mercurial.graphmod import colored, CHANGESET, revisions as graph_rev from pylons import request, session, tmpl_context as c from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator from rhodecode.lib.base import BaseRepoController, render from rhodecode.lib.helpers import RepoPage log = logging.getLogger(__name__) class ChangelogController(BaseRepoController): @LoginRequired() @HasRepoPermissionAnyDecorator('repository.read', 'repository.write', 'repository.admin') def __before__(self): super(ChangelogController, self).__before__() def index(self): limit = 100 default = 20 if request.params.get('size'): try: int_size = int(request.params.get('size')) except ValueError: int_size = default int_size = int_size if int_size <= limit else limit c.size = int_size session['changelog_size'] = c.size session.save() else: c.size = int(session.get('changelog_size', default)) p = int(request.params.get('page', 1)) branch_name = request.params.get('branch', None) c.total_cs = len(c.rhodecode_repo) c.pagination = RepoPage(c.rhodecode_repo, page=p, item_count=c.total_cs, items_per_page=c.size, branch_name=branch_name) self._graph(c.rhodecode_repo, c.total_cs, c.size, p) return render('changelog/changelog.html') def _graph(self, repo, repo_size, size, p): """ Generates a DAG graph for mercurial :param repo: repo instance :param size: number of commits to show :param p: page number """ if not repo.revisions or repo.alias == 'git': c.jsdata = json.dumps([]) return revcount = min(repo_size, size) offset = 1 if p == 1 else ((p - 1) * revcount + 1) rev_start = repo.revisions.index(repo.revisions[(-1 * offset)]) rev_end = max(0, rev_start - revcount) dag = graph_rev(repo._repo, rev_start, rev_end) c.dag = tree = list(colored(dag)) data = [] for (id, type, ctx, vtx, edges) in tree: if type != CHANGESET: continue data.append(('', vtx, edges)) c.jsdata = json.dumps(data)