Mercurial > kallithea
view rhodecode/lib/utils.py @ 2399:a8635cdab3c0 beta
Add optional parameters to subprocessio that allow passing params to Popen
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Wed, 06 Jun 2012 17:55:19 +0200 |
parents | bc2d8c03c050 |
children | 402a96fcfa22 |
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# -*- 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 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, UserRepoGroupToPerm,\ CacheInvalidation 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 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 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 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 elif isinstance(user, basestring): user_obj = User.get_by_username(user) else: raise Exception('You have to provide user object or 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.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( 'Adding user %s, action %s on %s' % (user_obj, action, safe_unicode(repo)) ) if commit: sa.commit() except: log.error(traceback.format_exc()) raise def get_repos(path, recursive=False): """ 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) def _get_repos(p): if not os.access(p, os.W_OK): return for dirpath in os.listdir(p): if os.path.isfile(os.path.join(p, dirpath)): continue cur_path = os.path.join(p, dirpath) 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): """ Returns True if given path is a valid repository False otherwise :param repo_name: :param base_path: :return True: if given path is a valid repository """ full_path = os.path.join(safe_str(base_path), safe_str(repo_name)) try: get_scm(full_path) return True except VCSError: return False def is_valid_repos_group(repos_group_name, base_path): """ Returns True if given path is a repos 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 # check if it's a valid path if 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): """ 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(section, k, 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(ui_.ui_section, ui_.ui_key, ui_.ui_value) 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 invalidate_cache(cache_key, *args): """ Puts cache invalidation task into db for further global cache invalidation """ from rhodecode.model.scm import ScmModel if cache_key.startswith('get_repo_cached_'): name = cache_key.split('get_repo_cached_')[-1] ScmModel().mark_for_invalidation(name) class EmptyChangeset(BaseChangeset): """ An dummy empty changeset. It's possible to pass hash when creating an EmptyChangeset """ def __init__(self, cs='0' * 40, repo=None, requested_revision=None, alias=None): self._empty_cs = cs self.revision = -1 self.message = '' self.author = '' self.date = '' self.repository = repo self.requested_revision = requested_revision self.alias = alias @LazyProperty def raw_id(self): """ Returns raw string identifying this changeset, useful for web representation. """ return self._empty_cs @LazyProperty def branch(self): return get_backend(self.alias).DEFAULT_BRANCH_NAME @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 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) 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 sa.add(group) rgm._create_default_perms(group) sa.flush() parent = group return group def repo2db_mapper(initial_repo_list, remove_obsolete=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 """ from rhodecode.model.repo import RepoModel sa = meta.Session rm = RepoModel() user = sa.query(User).filter(User.admin == True).first() if user is None: raise Exception('Missing administrative account !') added = [] for name, repo in initial_repo_list.items(): group = map_groups(name) if not rm.get_by_repo_name(name, cache=False): log.info('repository %s not found creating default' % name) added.append(name) form_data = { 'repo_name': name, 'repo_name_full': name, 'repo_type': repo.alias, 'description': repo.description \ if repo.description != 'unknown' else '%s repository' % name, 'private': False, 'group_id': getattr(group, 'group_id', None) } rm.create(form_data, user, just_db=True) 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) removed.append(repo.repo_name) sa.delete(repo) sa.commit() # clear cache keys log.debug("Clearing cache keys now...") CacheInvalidation.clear_cache() sa.commit() 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', [])) #============================================================================== # 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, 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 HG REPOSITORY 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() #============================================================================== # 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)