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changelog.py
90 lines | 3.1 KiB | text/x-python | PythonLexer
#!/usr/bin/env python
# encoding: utf-8
# changelog controller for pylons
# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
#
# 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.
"""
Created on April 21, 2010
changelog controller for pylons
@author: marcink
"""
from json import dumps
from mercurial.graphmod import colored, CHANGESET, revisions as graph_rev
from pylons import request, session, tmpl_context as c
from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from pylons_app.lib.base import BaseController, render
from pylons_app.model.hg_model import HgModel
from webhelpers.paginate import Page
import logging
log = logging.getLogger(__name__)
class ChangelogController(BaseController):
@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))
changesets = HgModel().get_repo(c.repo_name)
p = int(request.params.get('page', 1))
c.total_cs = len(changesets)
c.pagination = Page(changesets, page=p, item_count=c.total_cs,
items_per_page=c.size)
self._graph(changesets, c.size, p)
return render('changelog/changelog.html')
def _graph(self, repo, size, p):
revcount = size
if not repo.revisions:return dumps([]), 0
max_rev = repo.revisions[-1]
offset = 1 if p == 1 else ((p - 1) * revcount + 1)
rev_start = repo.revisions[(-1 * offset)]
revcount = min(max_rev, revcount)
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 = dumps(data)