##// END OF EJS Templates
invalidation: merge .invalidate and .set_valid as .test_and_set_valid...
invalidation: merge .invalidate and .set_valid as .test_and_set_valid This simplifies the internal API and avoids leaking CacheInvalidation instances and cache keys.

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utils.py
799 lines | 26.7 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
"""
rhodecode.lib.utils
~~~~~~~~~~~~~~~~~~~
Utilities library for RhodeCode
:created_on: Apr 18, 2010
:author: marcink
:copyright: (C) 2010-2012 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import os
import re
import logging
import datetime
import traceback
import paste
import beaker
import tarfile
import shutil
import decorator
import warnings
from os.path import abspath
from os.path import dirname as dn, join as jn
from paste.script.command import Command, BadCommand
from mercurial import ui, config
from webhelpers.text import collapse, remove_formatting, strip_tags
from rhodecode.lib.vcs import get_backend
from rhodecode.lib.vcs.backends.base import BaseChangeset
from rhodecode.lib.vcs.utils.lazy import LazyProperty
from rhodecode.lib.vcs.utils.helpers import get_scm
from rhodecode.lib.vcs.exceptions import VCSError
from rhodecode.lib.caching_query import FromCache
from rhodecode.model import meta
from rhodecode.model.db import Repository, User, RhodeCodeUi, \
UserLog, RepoGroup, RhodeCodeSetting, CacheInvalidation, UserGroup
from rhodecode.model.meta import Session
from rhodecode.model.repos_group import ReposGroupModel
from rhodecode.lib.utils2 import safe_str, safe_unicode
from rhodecode.lib.vcs.utils.fakemod import create_module
from rhodecode.model.users_group import UserGroupModel
log = logging.getLogger(__name__)
REMOVED_REPO_PAT = re.compile(r'rm__\d{8}_\d{6}_\d{6}__.*')
def recursive_replace(str_, replace=' '):
"""
Recursive replace of given sign to just one instance
:param str_: given string
:param replace: char to find and replace multiple instances
Examples::
>>> recursive_replace("Mighty---Mighty-Bo--sstones",'-')
'Mighty-Mighty-Bo-sstones'
"""
if str_.find(replace * 2) == -1:
return str_
else:
str_ = str_.replace(replace * 2, replace)
return recursive_replace(str_, replace)
def repo_name_slug(value):
"""
Return slug of name of repository
This function is called on each creation/modification
of repository to prevent bad names in repo
"""
slug = remove_formatting(value)
slug = strip_tags(slug)
for c in """`?=[]\;'"<>,/~!@#$%^&*()+{}|: """:
slug = slug.replace(c, '-')
slug = recursive_replace(slug, '-')
slug = collapse(slug, '-')
return slug
#==============================================================================
# PERM DECORATOR HELPERS FOR EXTRACTING NAMES FOR PERM CHECKS
#==============================================================================
def get_repo_slug(request):
_repo = request.environ['pylons.routes_dict'].get('repo_name')
if _repo:
_repo = _repo.rstrip('/')
return _repo
def get_repos_group_slug(request):
_group = request.environ['pylons.routes_dict'].get('group_name')
if _group:
_group = _group.rstrip('/')
return _group
def get_user_group_slug(request):
_group = request.environ['pylons.routes_dict'].get('id')
try:
_group = UserGroup.get(_group)
if _group:
_group = _group.users_group_name
except Exception:
log.debug(traceback.format_exc())
#catch all failures here
pass
return _group
def action_logger(user, action, repo, ipaddr='', sa=None, commit=False):
"""
Action logger for various actions made by users
:param user: user that made this action, can be a unique username string or
object containing user_id attribute
:param action: action to log, should be on of predefined unique actions for
easy translations
:param repo: string name of repository or object containing repo_id,
that action was made on
:param ipaddr: optional ip address from what the action was made
:param sa: optional sqlalchemy session
"""
if not sa:
sa = meta.Session()
try:
if hasattr(user, 'user_id'):
user_obj = User.get(user.user_id)
elif isinstance(user, basestring):
user_obj = User.get_by_username(user)
else:
raise Exception('You have to provide a user object or a username')
if hasattr(repo, 'repo_id'):
repo_obj = Repository.get(repo.repo_id)
repo_name = repo_obj.repo_name
elif isinstance(repo, basestring):
repo_name = repo.lstrip('/')
repo_obj = Repository.get_by_repo_name(repo_name)
else:
repo_obj = None
repo_name = ''
user_log = UserLog()
user_log.user_id = user_obj.user_id
user_log.username = user_obj.username
user_log.action = safe_unicode(action)
user_log.repository = repo_obj
user_log.repository_name = repo_name
user_log.action_date = datetime.datetime.now()
user_log.user_ip = ipaddr
sa.add(user_log)
log.info('Logging action:%s on %s by user:%s ip:%s' %
(action, safe_unicode(repo), user_obj, ipaddr))
if commit:
sa.commit()
except Exception:
log.error(traceback.format_exc())
raise
def get_filesystem_repos(path, recursive=False, skip_removed_repos=True):
"""
Scans given path for repos and return (name,(type,path)) tuple
:param path: path to scan for repositories
:param recursive: recursive search and return names with subdirs in front
"""
# remove ending slash for better results
path = path.rstrip(os.sep)
log.debug('now scanning in %s location recursive:%s...' % (path, recursive))
def _get_repos(p):
if not os.access(p, os.W_OK):
log.warn('ignoring repo path without write access: %s', p)
return
for dirpath in os.listdir(p):
if os.path.isfile(os.path.join(p, dirpath)):
continue
cur_path = os.path.join(p, dirpath)
# skip removed repos
if skip_removed_repos and REMOVED_REPO_PAT.match(dirpath):
continue
#skip .<somethin> dirs
if dirpath.startswith('.'):
continue
try:
scm_info = get_scm(cur_path)
yield scm_info[1].split(path, 1)[-1].lstrip(os.sep), scm_info
except VCSError:
if not recursive:
continue
#check if this dir containts other repos for recursive scan
rec_path = os.path.join(p, dirpath)
if os.path.isdir(rec_path):
for inner_scm in _get_repos(rec_path):
yield inner_scm
return _get_repos(path)
def is_valid_repo(repo_name, base_path, scm=None):
"""
Returns True if given path is a valid repository False otherwise.
If scm param is given also compare if given scm is the same as expected
from scm parameter
:param repo_name:
:param base_path:
:param scm:
:return True: if given path is a valid repository
"""
full_path = os.path.join(safe_str(base_path), safe_str(repo_name))
try:
scm_ = get_scm(full_path)
if scm:
return scm_[0] == scm
return True
except VCSError:
return False
def is_valid_repos_group(repos_group_name, base_path, skip_path_check=False):
"""
Returns True if given path is a repository group False otherwise
:param repo_name:
:param base_path:
"""
full_path = os.path.join(safe_str(base_path), safe_str(repos_group_name))
# check if it's not a repo
if is_valid_repo(repos_group_name, base_path):
return False
try:
# we need to check bare git repos at higher level
# since we might match branches/hooks/info/objects or possible
# other things inside bare git repo
get_scm(os.path.dirname(full_path))
return False
except VCSError:
pass
# check if it's a valid path
if skip_path_check or os.path.isdir(full_path):
return True
return False
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
#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, clear_session=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()
# clean the baseui object
baseui._ocfg = config.config()
baseui._ucfg = config.config()
baseui._tcfg = config.config()
if read_from == 'file':
if not os.path.isfile(path):
log.debug('hgrc file is not present at %s, skipping...' % 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):
log.debug('settings ui from file: [%s] %s=%s' % (section, k, v))
baseui.setconfig(safe_str(section), safe_str(k), safe_str(v))
elif read_from == 'db':
sa = meta.Session()
ret = sa.query(RhodeCodeUi)\
.options(FromCache("sql_cache_short", "get_hg_ui_settings"))\
.all()
hg_ui = ret
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(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
safe_str(ui_.ui_value))
if ui_.ui_key == 'push_ssl':
# force set push_ssl requirement to False, rhodecode
# handles that
baseui.setconfig(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
False)
if clear_session:
meta.Session.remove()
return baseui
def set_rhodecode_config(config):
"""
Updates pylons config with new settings from database
:param config:
"""
hgsettings = RhodeCodeSetting.get_app_settings()
for k, v in hgsettings.items():
config[k] = v
def map_groups(path):
"""
Given a full path to a repository, create all nested groups that this
repo is inside. This function creates parent-child relationships between
groups and creates default perms for all new groups.
:param paths: full path to repository
"""
sa = meta.Session()
groups = path.split(Repository.url_sep())
parent = None
group = None
# last element is repo in nested groups structure
groups = groups[:-1]
rgm = ReposGroupModel(sa)
owner = User.get_first_admin()
for lvl, group_name in enumerate(groups):
group_name = '/'.join(groups[:lvl] + [group_name])
group = RepoGroup.get_by_group_name(group_name)
desc = '%s group' % group_name
# skip folders that are now removed repos
if REMOVED_REPO_PAT.match(group_name):
break
if group is None:
log.debug('creating group level: %s group_name: %s'
% (lvl, group_name))
group = RepoGroup(group_name, parent)
group.group_description = desc
group.user = owner
sa.add(group)
perm_obj = rgm._create_default_perms(group)
sa.add(perm_obj)
sa.flush()
parent = group
return group
def repo2db_mapper(initial_repo_list, remove_obsolete=False,
install_git_hook=False):
"""
maps all repos given in initial_repo_list, non existing repositories
are created, if remove_obsolete is True it also check for db entries
that are not in initial_repo_list and removes them.
:param initial_repo_list: list of repositories found by scanning methods
:param remove_obsolete: check for obsolete entries in database
:param install_git_hook: if this is True, also check and install githook
for a repo if missing
"""
from rhodecode.model.repo import RepoModel
from rhodecode.model.scm import ScmModel
sa = meta.Session()
rm = RepoModel()
user = User.get_first_admin()
added = []
##creation defaults
defs = RhodeCodeSetting.get_default_repo_settings(strip_prefix=True)
enable_statistics = defs.get('repo_enable_statistics')
enable_locking = defs.get('repo_enable_locking')
enable_downloads = defs.get('repo_enable_downloads')
private = defs.get('repo_private')
for name, repo in initial_repo_list.items():
group = map_groups(name)
db_repo = rm.get_by_repo_name(name)
# found repo that is on filesystem not in RhodeCode database
if not db_repo:
log.info('repository %s not found, creating now' % name)
added.append(name)
desc = (repo.description
if repo.description != 'unknown'
else '%s repository' % name)
new_repo = rm.create_repo(
repo_name=name,
repo_type=repo.alias,
description=desc,
repos_group=getattr(group, 'group_id', None),
owner=user,
just_db=True,
enable_locking=enable_locking,
enable_downloads=enable_downloads,
enable_statistics=enable_statistics,
private=private
)
# we added that repo just now, and make sure it has githook
# installed
if new_repo.repo_type == 'git':
ScmModel().install_git_hook(new_repo.scm_instance)
new_repo.update_changeset_cache()
elif install_git_hook:
if db_repo.repo_type == 'git':
ScmModel().install_git_hook(db_repo.scm_instance)
# during starting install all cache keys for all repositories in the
# system, this will register all repos and multiple instances
cache_key = CacheInvalidation._get_cache_key(name)
log.debug("Creating invalidation cache key for %s: %s", name, cache_key)
CacheInvalidation.test_and_set_valid(name)
sa.commit()
removed = []
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():
log.debug("Removing non-existing repository found in db `%s`" %
repo.repo_name)
try:
removed.append(repo.repo_name)
RepoModel(sa).delete(repo, forks='detach', fs_remove=False)
sa.commit()
except Exception:
#don't hold further removals on error
log.error(traceback.format_exc())
sa.rollback()
return added, removed
# set cache regions for beaker so celery can utilise it
def add_cache(settings):
cache_settings = {'regions': None}
for key in settings.keys():
for prefix in ['beaker.cache.', 'cache.']:
if key.startswith(prefix):
name = key.split(prefix)[1].strip()
cache_settings[name] = settings[key].strip()
if cache_settings['regions']:
for region in cache_settings['regions'].split(','):
region = region.strip()
region_settings = {}
for key, value in cache_settings.items():
if key.startswith(region):
region_settings[key.split('.')[1]] = value
region_settings['expire'] = int(region_settings.get('expire',
60))
region_settings.setdefault('lock_dir',
cache_settings.get('lock_dir'))
region_settings.setdefault('data_dir',
cache_settings.get('data_dir'))
if 'type' not in region_settings:
region_settings['type'] = cache_settings.get('type',
'memory')
beaker.cache.cache_regions[region] = region_settings
def load_rcextensions(root_path):
import rhodecode
from rhodecode.config import conf
path = os.path.join(root_path, 'rcextensions', '__init__.py')
if os.path.isfile(path):
rcext = create_module('rc', path)
EXT = rhodecode.EXTENSIONS = rcext
log.debug('Found rcextensions now loading %s...' % rcext)
# Additional mappings that are not present in the pygments lexers
conf.LANGUAGES_EXTENSIONS_MAP.update(getattr(EXT, 'EXTRA_MAPPINGS', {}))
#OVERRIDE OUR EXTENSIONS FROM RC-EXTENSIONS (if present)
if getattr(EXT, 'INDEX_EXTENSIONS', []) != []:
log.debug('settings custom INDEX_EXTENSIONS')
conf.INDEX_EXTENSIONS = getattr(EXT, 'INDEX_EXTENSIONS', [])
#ADDITIONAL MAPPINGS
log.debug('adding extra into INDEX_EXTENSIONS')
conf.INDEX_EXTENSIONS.extend(getattr(EXT, 'EXTRA_INDEX_EXTENSIONS', []))
# auto check if the module is not missing any data, set to default if is
# this will help autoupdate new feature of rcext module
from rhodecode.config import rcextensions
for k in dir(rcextensions):
if not k.startswith('_') and not hasattr(EXT, k):
setattr(EXT, k, getattr(rcextensions, k))
def get_custom_lexer(extension):
"""
returns a custom lexer if it's defined in rcextensions module, or None
if there's no custom lexer defined
"""
import rhodecode
from pygments import lexers
#check if we didn't define this extension as other lexer
if rhodecode.EXTENSIONS and extension in rhodecode.EXTENSIONS.EXTRA_LEXERS:
_lexer_name = rhodecode.EXTENSIONS.EXTRA_LEXERS[extension]
return lexers.get_lexer_by_name(_lexer_name)
#==============================================================================
# TEST FUNCTIONS AND CREATORS
#==============================================================================
def create_test_index(repo_location, config, full_index):
"""
Makes default test index
:param config: test config
:param full_index:
"""
from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon
from rhodecode.lib.pidlock import DaemonLock, LockHeld
repo_location = repo_location
index_location = os.path.join(config['app_conf']['index_dir'])
if not os.path.exists(index_location):
os.makedirs(index_location)
try:
l = DaemonLock(file_=jn(dn(index_location), 'make_index.lock'))
WhooshIndexingDaemon(index_location=index_location,
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
from rhodecode.tests import HG_REPO, GIT_REPO, TESTS_TMP_PATH
# PART ONE create db
dbconf = config['sqlalchemy.db1.url']
log.debug('making test db %s' % dbconf)
# create test dir if it doesn't exist
if not os.path.isdir(repos_test_path):
log.debug('Creating testdir %s' % repos_test_path)
os.makedirs(repos_test_path)
dbmanage = DbManage(log_sql=True, dbconf=dbconf, root=config['here'],
tests=True)
dbmanage.create_tables(override=True)
dbmanage.create_settings(dbmanage.config_prompt(repos_test_path))
dbmanage.create_default_user()
dbmanage.admin_prompt()
dbmanage.create_permissions()
dbmanage.populate_default_permissions()
Session().commit()
# PART TWO make test repo
log.debug('making test vcs repositories')
idx_path = config['app_conf']['index_dir']
data_path = config['app_conf']['cache_dir']
#clean index and data
if idx_path and os.path.exists(idx_path):
log.debug('remove %s' % idx_path)
shutil.rmtree(idx_path)
if data_path and os.path.exists(data_path):
log.debug('remove %s' % data_path)
shutil.rmtree(data_path)
#CREATE DEFAULT TEST REPOS
cur_dir = dn(dn(abspath(__file__)))
tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test_hg.tar.gz"))
tar.extractall(jn(TESTS_TMP_PATH, HG_REPO))
tar.close()
cur_dir = dn(dn(abspath(__file__)))
tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test_git.tar.gz"))
tar.extractall(jn(TESTS_TMP_PATH, GIT_REPO))
tar.close()
#LOAD VCS test stuff
from rhodecode.tests.vcs import setup_package
setup_package()
#==============================================================================
# PASTER COMMANDS
#==============================================================================
class BasePasterCommand(Command):
"""
Abstract Base Class for paster commands.
The celery commands are somewhat aggressive about loading
celery.conf, and since our module sets the `CELERY_LOADER`
environment variable to our loader, we have to bootstrap a bit and
make sure we've had a chance to load the pylons config off of the
command line, otherwise everything fails.
"""
min_args = 1
min_args_error = "Please provide a paster config file as an argument."
takes_config_file = 1
requires_config_file = True
def notify_msg(self, msg, log=False):
"""Make a notification to user, additionally if logger is passed
it logs this action using given logger
:param msg: message that will be printed to user
:param log: logging instance, to use to additionally log this message
"""
if log and isinstance(log, logging):
log(msg)
def run(self, args):
"""
Overrides Command.run
Checks for a config file argument and loads it.
"""
if len(args) < self.min_args:
raise BadCommand(
self.min_args_error % {'min_args': self.min_args,
'actual_args': len(args)})
# Decrement because we're going to lob off the first argument.
# @@ This is hacky
self.min_args -= 1
self.bootstrap_config(args[0])
self.update_parser()
return super(BasePasterCommand, self).run(args[1:])
def update_parser(self):
"""
Abstract method. Allows for the class's parser to be updated
before the superclass's `run` method is called. Necessary to
allow options/arguments to be passed through to the underlying
celery command.
"""
raise NotImplementedError("Abstract Method.")
def bootstrap_config(self, conf):
"""
Loads the pylons configuration.
"""
from pylons import config as pylonsconfig
self.path_to_ini_file = os.path.realpath(conf)
conf = paste.deploy.appconfig('config:' + self.path_to_ini_file)
pylonsconfig.init_app(conf.global_conf, conf.local_conf)
def _init_session(self):
"""
Inits SqlAlchemy Session
"""
logging.config.fileConfig(self.path_to_ini_file)
from pylons import config
from rhodecode.model import init_model
from rhodecode.lib.utils2 import engine_from_config
#get to remove repos !!
add_cache(config)
engine = engine_from_config(config, 'sqlalchemy.db1.')
init_model(engine)
def check_git_version():
"""
Checks what version of git is installed in system, and issues a warning
if it's too old for RhodeCode to properly work.
"""
from rhodecode import BACKENDS
from rhodecode.lib.vcs.backends.git.repository import GitRepository
from distutils.version import StrictVersion
stdout, stderr = GitRepository._run_git_command('--version', _bare=True,
_safe=True)
ver = (stdout.split(' ')[-1] or '').strip() or '0.0.0'
if len(ver.split('.')) > 3:
#StrictVersion needs to be only 3 element type
ver = '.'.join(ver.split('.')[:3])
try:
_ver = StrictVersion(ver)
except Exception:
_ver = StrictVersion('0.0.0')
stderr = traceback.format_exc()
req_ver = '1.7.4'
to_old_git = False
if _ver < StrictVersion(req_ver):
to_old_git = True
if 'git' in BACKENDS:
log.debug('GIT version detected: %s' % stdout)
if stderr:
log.warning('Unable to detect git version, org error was: %r' % stderr)
elif to_old_git:
log.warning('RhodeCode detected git version %s, which is too old '
'for the system to function properly. Make sure '
'its version is at least %s' % (ver, req_ver))
return _ver
@decorator.decorator
def jsonify(func, *args, **kwargs):
"""Action decorator that formats output for JSON
Given a function that will return content, this decorator will turn
the result into JSON, with a content-type of 'application/json' and
output it.
"""
from pylons.decorators.util import get_pylons
from rhodecode.lib.compat import json
pylons = get_pylons(args)
pylons.response.headers['Content-Type'] = 'application/json; charset=utf-8'
data = func(*args, **kwargs)
if isinstance(data, (list, tuple)):
msg = "JSON responses with Array envelopes are susceptible to " \
"cross-site data leak attacks, see " \
"http://wiki.pylonshq.com/display/pylonsfaq/Warnings"
warnings.warn(msg, Warning, 2)
log.warning(msg)
log.debug("Returning JSON wrapped action output")
return json.dumps(data, encoding='utf-8')