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feed.py
181 lines | 6.6 KiB | text/x-python | PythonLexer
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r1 # -*- coding: utf-8 -*-
# Copyright (C) 2010-2016 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/
"""
Feed controller for RhodeCode
"""
import logging
import pytz
from pylons import url, response, tmpl_context as c
from pylons.i18n.translation import _
from beaker.cache import cache_region, region_invalidate
from webhelpers.feedgenerator import Atom1Feed, Rss201rev2Feed
from rhodecode.model.db import CacheKey
from rhodecode.lib import helpers as h
from rhodecode.lib import caches
from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from rhodecode.lib.base import BaseRepoController
from rhodecode.lib.diffs import DiffProcessor, LimitedDiffContainer
from rhodecode.lib.utils2 import safe_int, str2bool
from rhodecode.lib.utils import PartialRenderer
log = logging.getLogger(__name__)
class FeedController(BaseRepoController):
def _get_config(self):
import rhodecode
config = rhodecode.CONFIG
return {
'language': 'en-us',
'feed_ttl': '5', # TTL of feed,
'feed_include_diff':
str2bool(config.get('rss_include_diff', False)),
'feed_items_per_page':
safe_int(config.get('rss_items_per_page', 20)),
'feed_diff_limit':
# we need to protect from parsing huge diffs here other way
# we can kill the server
safe_int(config.get('rss_cut_off_limit', 32 * 1024)),
}
@LoginRequired(auth_token_access=True)
def __before__(self):
super(FeedController, self).__before__()
config = self._get_config()
# common values for feeds
self.description = _('Changes on %s repository')
self.title = self.title = _('%s %s feed') % (c.rhodecode_name, '%s')
self.language = config["language"]
self.ttl = config["feed_ttl"]
self.feed_include_diff = config['feed_include_diff']
self.feed_diff_limit = config['feed_diff_limit']
self.feed_items_per_page = config['feed_items_per_page']
def __changes(self, commit):
diff_processor = DiffProcessor(
commit.diff(), diff_limit=self.feed_diff_limit)
_parsed = diff_processor.prepare(inline_diff=False)
limited_diff = isinstance(_parsed, LimitedDiffContainer)
return _parsed, limited_diff
def _get_title(self, commit):
return h.shorter(commit.message, 160)
def _get_description(self, commit):
_renderer = PartialRenderer('feed/atom_feed_entry.mako')
parsed_diff, limited_diff = self.__changes(commit)
return _renderer(
'body',
commit=commit,
parsed_diff=parsed_diff,
limited_diff=limited_diff,
feed_include_diff=self.feed_include_diff,
)
def _set_timezone(self, date, tzinfo=pytz.utc):
if not getattr(date, "tzinfo", None):
date.replace(tzinfo=tzinfo)
return date
def _get_commits(self):
return list(c.rhodecode_repo[-self.feed_items_per_page:])
@HasRepoPermissionAnyDecorator(
'repository.read', 'repository.write', 'repository.admin')
def atom(self, repo_name):
"""Produce an atom-1.0 feed via feedgenerator module"""
@cache_region('long_term')
def _generate_feed(cache_key):
feed = Atom1Feed(
title=self.title % repo_name,
link=url('summary_home', repo_name=repo_name, qualified=True),
description=self.description % repo_name,
language=self.language,
ttl=self.ttl
)
for commit in reversed(self._get_commits()):
date = self._set_timezone(commit.date)
feed.add_item(
title=self._get_title(commit),
author_name=commit.author,
description=self._get_description(commit),
link=url('changeset_home', repo_name=repo_name,
revision=commit.raw_id, qualified=True),
pubdate=date,)
return feed.mime_type, feed.writeString('utf-8')
invalidator_context = CacheKey.repo_context_cache(
_generate_feed, repo_name, CacheKey.CACHE_TYPE_ATOM)
with invalidator_context as context:
context.invalidate()
mime_type, feed = context.compute()
response.content_type = mime_type
return feed
@HasRepoPermissionAnyDecorator(
'repository.read', 'repository.write', 'repository.admin')
def rss(self, repo_name):
"""Produce an rss2 feed via feedgenerator module"""
@cache_region('long_term')
def _generate_feed(cache_key):
feed = Rss201rev2Feed(
title=self.title % repo_name,
link=url('summary_home', repo_name=repo_name,
qualified=True),
description=self.description % repo_name,
language=self.language,
ttl=self.ttl
)
for commit in reversed(self._get_commits()):
date = self._set_timezone(commit.date)
feed.add_item(
title=self._get_title(commit),
author_name=commit.author,
description=self._get_description(commit),
link=url('changeset_home', repo_name=repo_name,
revision=commit.raw_id, qualified=True),
pubdate=date,)
return feed.mime_type, feed.writeString('utf-8')
invalidator_context = CacheKey.repo_context_cache(
_generate_feed, repo_name, CacheKey.CACHE_TYPE_RSS)
with invalidator_context as context:
context.invalidate()
mime_type, feed = context.compute()
response.content_type = mime_type
return feed