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utils.py
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#!/usr/bin/env python
# encoding: utf-8
# Utilities 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 18, 2010
Utilities for RhodeCode
@author: marcink
"""
from UserDict import DictMixin
from mercurial import ui, config, hg
from mercurial.error import RepoError
from rhodecode.model import meta
from rhodecode.model.caching_query import FromCache
from rhodecode.model.db import Repository, User, RhodeCodeUi, RhodeCodeSettings, \
UserLog
from rhodecode.model.repo import RepoModel
from rhodecode.model.user import UserModel
from vcs.backends.base import BaseChangeset
from vcs.backends.git import GitRepository
from vcs.backends.hg import MercurialRepository
from vcs.utils.lazy import LazyProperty
import traceback
import datetime
import logging
import os
log = logging.getLogger(__name__)
def get_repo_slug(request):
return request.environ['pylons.routes_dict'].get('repo_name')
def is_mercurial(environ):
"""
Returns True if request's target is mercurial server - header
``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
"""
http_accept = environ.get('HTTP_ACCEPT')
if http_accept and http_accept.startswith('application/mercurial'):
return True
return False
def is_git(environ):
"""
Returns True if request's target is git server. ``HTTP_USER_AGENT`` would
then have git client version given.
:param environ:
"""
http_user_agent = environ.get('HTTP_USER_AGENT')
if http_user_agent.startswith('git'):
return True
return False
def action_logger(user, action, repo, ipaddr, sa=None):
"""
Action logger for various action made by users
"""
if not sa:
sa = meta.Session()
try:
if hasattr(user, 'user_id'):
user_obj = user
elif isinstance(user, basestring):
user_obj = UserModel(sa).get_by_username(user, cache=False)
else:
raise Exception('You have to provide user object or username')
repo_name = repo.lstrip('/')
user_log = UserLog()
user_log.user_id = user_obj.user_id
user_log.action = action
user_log.repository_name = repo_name
user_log.repository = RepoModel(sa).get(repo_name, cache=False)
user_log.action_date = datetime.datetime.now()
user_log.user_ip = ipaddr
sa.add(user_log)
sa.commit()
log.info('Adding user %s, action %s on %s',
user_obj.username, action, repo)
except:
log.error(traceback.format_exc())
sa.rollback()
def get_repos(path, recursive=False, initial=False):
"""
Scans given path for repos and return (name,(type,path)) tuple
:param prefix:
:param path:
:param recursive:
:param initial:
"""
from vcs.utils.helpers import get_scm
from vcs.exceptions import VCSError
try:
scm = get_scm(path)
except:
pass
else:
raise Exception('The given path %s should not be a repository got %s',
path, scm)
for dirpath in os.listdir(path):
try:
yield dirpath, get_scm(os.path.join(path, dirpath))
except VCSError:
pass
if __name__ == '__main__':
get_repos('', '/home/marcink/workspace-python')
def check_repo_fast(repo_name, base_path):
if os.path.isdir(os.path.join(base_path, repo_name)):return False
return True
def check_repo(repo_name, base_path, verify=True):
repo_path = os.path.join(base_path, repo_name)
try:
if not check_repo_fast(repo_name, base_path):
return False
r = hg.repository(ui.ui(), repo_path)
if verify:
hg.verify(r)
#here we hnow that repo exists it was verified
log.info('%s repo is already created', repo_name)
return False
except RepoError:
#it means that there is no valid repo there...
log.info('%s repo is free for creation', repo_name)
return True
def ask_ok(prompt, retries=4, complaint='Yes or no, please!'):
while True:
ok = raw_input(prompt)
if ok in ('y', 'ye', 'yes'): return True
if ok in ('n', 'no', 'nop', 'nope'): return False
retries = retries - 1
if retries < 0: raise IOError
print complaint
def get_hg_ui_cached():
try:
sa = meta.Session
ret = sa.query(RhodeCodeUi)\
.options(FromCache("sql_cache_short", "get_hg_ui_settings"))\
.all()
except:
pass
finally:
meta.Session.remove()
return ret
def get_hg_settings():
try:
sa = meta.Session()
ret = sa.query(RhodeCodeSettings)\
.options(FromCache("sql_cache_short", "get_hg_settings"))\
.all()
except:
pass
finally:
meta.Session.remove()
if not ret:
raise Exception('Could not get application settings !')
settings = {}
for each in ret:
settings['rhodecode_' + each.app_settings_name] = each.app_settings_value
return settings
def get_hg_ui_settings():
try:
sa = meta.Session()
ret = sa.query(RhodeCodeUi).all()
except:
pass
finally:
meta.Session.remove()
if not ret:
raise Exception('Could not get application ui settings !')
settings = {}
for each in ret:
k = each.ui_key
v = each.ui_value
if k == '/':
k = 'root_path'
if k.find('.') != -1:
k = k.replace('.', '_')
if each.ui_section == 'hooks':
v = each.ui_active
settings[each.ui_section + '_' + k] = v
return settings
#propagated from mercurial documentation
ui_sections = ['alias', 'auth',
'decode/encode', 'defaults',
'diff', 'email',
'extensions', 'format',
'merge-patterns', 'merge-tools',
'hooks', 'http_proxy',
'smtp', 'patch',
'paths', 'profiling',
'server', 'trusted',
'ui', 'web', ]
def make_ui(read_from='file', path=None, checkpaths=True):
"""
A function that will read python rc files or database
and make an mercurial ui object from read options
:param path: path to mercurial config file
:param checkpaths: check the path
:param read_from: read from 'file' or 'db'
"""
baseui = ui.ui()
if read_from == 'file':
if not os.path.isfile(path):
log.warning('Unable to read config file %s' % path)
return False
log.debug('reading hgrc from %s', path)
cfg = config.config()
cfg.read(path)
for section in ui_sections:
for k, v in cfg.items(section):
baseui.setconfig(section, k, v)
log.debug('settings ui from file[%s]%s:%s', section, k, v)
elif read_from == 'db':
hg_ui = get_hg_ui_cached()
for ui_ in hg_ui:
if ui_.ui_active:
log.debug('settings ui from db[%s]%s:%s', ui_.ui_section, ui_.ui_key, ui_.ui_value)
baseui.setconfig(ui_.ui_section, ui_.ui_key, ui_.ui_value)
return baseui
def set_rhodecode_config(config):
hgsettings = get_hg_settings()
for k, v in hgsettings.items():
config[k] = v
def invalidate_cache(name, *args):
"""Invalidates given name cache"""
from beaker.cache import region_invalidate
log.info('INVALIDATING CACHE FOR %s', name)
"""propagate our arguments to make sure invalidation works. First
argument has to be the name of cached func name give to cache decorator
without that the invalidation would not work"""
tmp = [name]
tmp.extend(args)
args = tuple(tmp)
if name == 'cached_repo_list':
from rhodecode.model.hg import _get_repos_cached
region_invalidate(_get_repos_cached, None, *args)
if name == 'full_changelog':
from rhodecode.model.hg import _full_changelog_cached
region_invalidate(_full_changelog_cached, None, *args)
class EmptyChangeset(BaseChangeset):
"""
An dummy empty changeset. It's possible to pass hash when creating
an EmptyChangeset
"""
def __init__(self, cs='0' * 40):
self._empty_cs = cs
self.revision = -1
self.message = ''
self.author = ''
self.date = ''
@LazyProperty
def raw_id(self):
"""
Returns raw string identifying this changeset, useful for web
representation.
"""
return self._empty_cs
@LazyProperty
def short_id(self):
return self.raw_id[:12]
def get_file_changeset(self, path):
return self
def get_file_content(self, path):
return u''
def get_file_size(self, path):
return 0
def repo2db_mapper(initial_repo_list, remove_obsolete=False):
"""
maps all found repositories into db
"""
sa = meta.Session()
rm = RepoModel(sa)
user = sa.query(User).filter(User.admin == True).first()
for name, repo in initial_repo_list.items():
if not rm.get(name, cache=False):
log.info('repository %s not found creating default', name)
form_data = {
'repo_name':name,
'repo_type':repo.alias,
'description':repo.description if repo.description != 'unknown' else \
'auto description for %s' % name,
'private':False
}
rm.create(form_data, user, just_db=True)
if remove_obsolete:
#remove from database those repositories that are not in the filesystem
for repo in sa.query(Repository).all():
if repo.repo_name not in initial_repo_list.keys():
sa.delete(repo)
sa.commit()
meta.Session.remove()
class OrderedDict(dict, DictMixin):
def __init__(self, *args, **kwds):
if len(args) > 1:
raise TypeError('expected at most 1 arguments, got %d' % len(args))
try:
self.__end
except AttributeError:
self.clear()
self.update(*args, **kwds)
def clear(self):
self.__end = end = []
end += [None, end, end] # sentinel node for doubly linked list
self.__map = {} # key --> [key, prev, next]
dict.clear(self)
def __setitem__(self, key, value):
if key not in self:
end = self.__end
curr = end[1]
curr[2] = end[1] = self.__map[key] = [key, curr, end]
dict.__setitem__(self, key, value)
def __delitem__(self, key):
dict.__delitem__(self, key)
key, prev, next = self.__map.pop(key)
prev[2] = next
next[1] = prev
def __iter__(self):
end = self.__end
curr = end[2]
while curr is not end:
yield curr[0]
curr = curr[2]
def __reversed__(self):
end = self.__end
curr = end[1]
while curr is not end:
yield curr[0]
curr = curr[1]
def popitem(self, last=True):
if not self:
raise KeyError('dictionary is empty')
if last:
key = reversed(self).next()
else:
key = iter(self).next()
value = self.pop(key)
return key, value
def __reduce__(self):
items = [[k, self[k]] for k in self]
tmp = self.__map, self.__end
del self.__map, self.__end
inst_dict = vars(self).copy()
self.__map, self.__end = tmp
if inst_dict:
return (self.__class__, (items,), inst_dict)
return self.__class__, (items,)
def keys(self):
return list(self)
setdefault = DictMixin.setdefault
update = DictMixin.update
pop = DictMixin.pop
values = DictMixin.values
items = DictMixin.items
iterkeys = DictMixin.iterkeys
itervalues = DictMixin.itervalues
iteritems = DictMixin.iteritems
def __repr__(self):
if not self:
return '%s()' % (self.__class__.__name__,)
return '%s(%r)' % (self.__class__.__name__, self.items())
def copy(self):
return self.__class__(self)
@classmethod
def fromkeys(cls, iterable, value=None):
d = cls()
for key in iterable:
d[key] = value
return d
def __eq__(self, other):
if isinstance(other, OrderedDict):
return len(self) == len(other) and self.items() == other.items()
return dict.__eq__(self, other)
def __ne__(self, other):
return not self == other
#===============================================================================
# TEST FUNCTIONS AND CREATORS
#===============================================================================
def create_test_index(repo_location, full_index):
"""Makes default test index
:param repo_location:
:param full_index:
"""
from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon
from rhodecode.lib.pidlock import DaemonLock, LockHeld
from rhodecode.lib.indexers import IDX_LOCATION
import shutil
if os.path.exists(IDX_LOCATION):
shutil.rmtree(IDX_LOCATION)
try:
l = DaemonLock()
WhooshIndexingDaemon(repo_location=repo_location)\
.run(full_index=full_index)
l.release()
except LockHeld:
pass
def create_test_env(repos_test_path, config):
"""Makes a fresh database and
install test repository into tmp dir
"""
from rhodecode.lib.db_manage import DbManage
import tarfile
import shutil
from os.path import dirname as dn, join as jn, abspath
log = logging.getLogger('TestEnvCreator')
# create logger
log.setLevel(logging.DEBUG)
log.propagate = True
# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
# create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
log.addHandler(ch)
#PART ONE create db
dbname = config['sqlalchemy.db1.url'].split('/')[-1]
log.debug('making test db %s', dbname)
dbmanage = DbManage(log_sql=True, dbname=dbname, root=config['here'],
tests=True)
dbmanage.create_tables(override=True)
dbmanage.config_prompt(repos_test_path)
dbmanage.create_default_user()
dbmanage.admin_prompt()
dbmanage.create_permissions()
dbmanage.populate_default_permissions()
#PART TWO make test repo
log.debug('making test vcs repo')
if os.path.isdir('/tmp/vcs_test'):
shutil.rmtree('/tmp/vcs_test')
cur_dir = dn(dn(abspath(__file__)))
tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test.tar.gz"))
tar.extractall('/tmp')
tar.close()