##// END OF EJS Templates
Disable git support due to large problems with dulwich....
Disable git support due to large problems with dulwich. Added one point of controll over supported backends in rhodecode.BACKENDS

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scm.py
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#!/usr/bin/env python
# encoding: utf-8
# Model for RhodeCode
# 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 9, 2010
Model for RhodeCode
@author: marcink
"""
from beaker.cache import cache_region, region_invalidate
from mercurial import ui
from rhodecode import BACKENDS
from rhodecode.lib import helpers as h
from rhodecode.lib.auth import HasRepoPermissionAny
from rhodecode.lib.utils import get_repos
from rhodecode.model import meta
from rhodecode.model.db import Repository, User, RhodeCodeUi, CacheInvalidation
from rhodecode.model.caching_query import FromCache
from sqlalchemy.orm import joinedload
from sqlalchemy.orm.session import make_transient
from vcs import get_backend
from vcs.utils.helpers import get_scm
from vcs.exceptions import RepositoryError, VCSError
from vcs.utils.lazy import LazyProperty
import traceback
import logging
import os
import time
log = logging.getLogger(__name__)
class ScmModel(object):
"""
Mercurial Model
"""
def __init__(self):
self.sa = meta.Session()
@LazyProperty
def repos_path(self):
"""
Get's the repositories root path from database
"""
q = self.sa.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key == '/').one()
return q.ui_value
def repo_scan(self, repos_path, baseui, initial=False):
"""
Listing of repositories in given path. This path should not be a
repository itself. Return a dictionary of repository objects
:param repos_path: path to directory containing repositories
:param baseui
:param initial: initial scan
"""
log.info('scanning for repositories in %s', repos_path)
if not isinstance(baseui, ui.ui):
baseui = ui.ui()
repos_list = {}
for name, path in get_repos(repos_path):
try:
if repos_list.has_key(name):
raise RepositoryError('Duplicate repository name %s '
'found in %s' % (name, path))
else:
klass = get_backend(path[0])
if path[0] == 'hg' and path[0] in BACKENDS.keys():
repos_list[name] = klass(path[1], baseui=baseui)
if path[0] == 'git' and path[0] in BACKENDS.keys():
repos_list[name] = klass(path[1])
except OSError:
continue
return repos_list
def get_repos(self, all_repos=None):
"""
Get all repos from db and for each repo create it's backend instance.
and fill that backed with information from database
:param all_repos: give specific repositories list, good for filtering
"""
if not all_repos:
all_repos = self.sa.query(Repository)\
.order_by(Repository.repo_name).all()
for r in all_repos:
repo = self.get(r.repo_name)
if repo is not None:
last_change = repo.last_change
tip = h.get_changeset_safe(repo, 'tip')
tmp_d = {}
tmp_d['name'] = repo.name
tmp_d['name_sort'] = tmp_d['name'].lower()
tmp_d['description'] = repo.dbrepo.description
tmp_d['description_sort'] = tmp_d['description']
tmp_d['last_change'] = last_change
tmp_d['last_change_sort'] = time.mktime(last_change.timetuple())
tmp_d['tip'] = tip.raw_id
tmp_d['tip_sort'] = tip.revision
tmp_d['rev'] = tip.revision
tmp_d['contact'] = repo.dbrepo.user.full_contact
tmp_d['contact_sort'] = tmp_d['contact']
tmp_d['repo_archives'] = list(repo._get_archives())
tmp_d['last_msg'] = tip.message
tmp_d['repo'] = repo
yield tmp_d
def get_repo(self, repo_name):
return self.get(repo_name)
def get(self, repo_name):
"""
Get's repository from given name, creates BackendInstance and
propagates it's data from database with all additional information
:param repo_name:
"""
if not HasRepoPermissionAny('repository.read', 'repository.write',
'repository.admin')(repo_name, 'get repo check'):
return
@cache_region('long_term')
def _get_repo(repo_name):
repo_path = os.path.join(self.repos_path, repo_name)
alias = get_scm(repo_path)[0]
log.debug('Creating instance of %s repository', alias)
backend = get_backend(alias)
#TODO: get the baseui from somewhere for this
if alias == 'hg':
repo = backend(repo_path, create=False, baseui=None)
#skip hidden web repository
if repo._get_hidden():
return
else:
repo = backend(repo_path, create=False)
dbrepo = self.sa.query(Repository)\
.options(joinedload(Repository.fork))\
.options(joinedload(Repository.user))\
.filter(Repository.repo_name == repo_name)\
.scalar()
make_transient(dbrepo)
repo.dbrepo = dbrepo
return repo
invalidate = self._should_invalidate(repo_name)
if invalidate:
log.info('invalidating cache for repository %s', repo_name)
region_invalidate(_get_repo, None, repo_name)
self._mark_invalidated(invalidate)
return _get_repo(repo_name)
def mark_for_invalidation(self, repo_name):
"""
Puts cache invalidation task into db for
further global cache invalidation
:param repo_name: this repo that should invalidation take place
"""
log.debug('marking %s for invalidation', repo_name)
cache = self.sa.query(CacheInvalidation)\
.filter(CacheInvalidation.cache_key == repo_name).scalar()
if cache:
#mark this cache as inactive
cache.cache_active = False
else:
log.debug('cache key not found in invalidation db -> creating one')
cache = CacheInvalidation(repo_name)
try:
self.sa.add(cache)
self.sa.commit()
except:
log.error(traceback.format_exc())
self.sa.rollback()
def _should_invalidate(self, repo_name):
"""
Looks up database for invalidation signals for this repo_name
:param repo_name:
"""
ret = self.sa.query(CacheInvalidation)\
.options(FromCache('sql_cache_short',
'get_invalidation_%s' % repo_name))\
.filter(CacheInvalidation.cache_key == repo_name)\
.filter(CacheInvalidation.cache_active == False)\
.scalar()
return ret
def _mark_invalidated(self, cache_key):
"""
Marks all occurences of cache to invaldation as already invalidated
@param repo_name:
"""
if cache_key:
log.debug('marking %s as already invalidated', cache_key)
try:
cache_key.cache_active = True
self.sa.add(cache_key)
self.sa.commit()
except:
log.error(traceback.format_exc())
self.sa.rollback()