--- a/dbapi.py Fri Mar 13 16:57:32 2015 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,796 +0,0 @@
-# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""DB-API 2.0 compliant module
-
-Take a look at http://www.python.org/peps/pep-0249.html
-
-(most parts of this document are reported here in docstrings)
-"""
-
-__docformat__ = "restructuredtext en"
-
-from threading import currentThread
-from logging import getLogger
-from time import time, clock
-from itertools import count
-from warnings import warn
-from os.path import join
-from uuid import uuid4
-from urlparse import urlparse
-
-from logilab.common.logging_ext import set_log_methods
-from logilab.common.decorators import monkeypatch, cachedproperty
-from logilab.common.deprecation import deprecated
-
-from cubicweb import (ETYPE_NAME_MAP, AuthenticationError, ProgrammingError,
- cwvreg, cwconfig)
-from cubicweb.repoapi import get_repository
-from cubicweb.req import RequestSessionBase
-
-
-_MARKER = object()
-
-def _fake_property_value(self, name):
- try:
- return super(DBAPIRequest, self).property_value(name)
- except KeyError:
- return ''
-
-def fake(*args, **kwargs):
- return None
-
-def multiple_connections_fix():
- """some monkey patching necessary when an application has to deal with
- several connections to different repositories. It tries to hide buggy class
- attributes since classes are not designed to be shared among multiple
- registries.
- """
- defaultcls = cwvreg.CWRegistryStore.REGISTRY_FACTORY[None]
-
- etypescls = cwvreg.CWRegistryStore.REGISTRY_FACTORY['etypes']
- orig_etype_class = etypescls.orig_etype_class = etypescls.etype_class
- @monkeypatch(defaultcls)
- def etype_class(self, etype):
- """return an entity class for the given entity type.
- Try to find out a specific class for this kind of entity or
- default to a dump of the class registered for 'Any'
- """
- usercls = orig_etype_class(self, etype)
- if etype == 'Any':
- return usercls
- usercls.e_schema = self.schema.eschema(etype)
- return usercls
-
-def multiple_connections_unfix():
- etypescls = cwvreg.CWRegistryStore.REGISTRY_FACTORY['etypes']
- etypescls.etype_class = etypescls.orig_etype_class
-
-
-class ConnectionProperties(object):
- def __init__(self, cnxtype=None, close=True, log=False):
- if cnxtype is not None:
- warn('[3.16] cnxtype argument is deprecated', DeprecationWarning,
- stacklevel=2)
- self.cnxtype = cnxtype
- self.log_queries = log
- self.close_on_del = close
-
-
-@deprecated('[3.19] the dbapi is deprecated. Have a look at the new repoapi.')
-def _repo_connect(repo, login, **kwargs):
- """Constructor to create a new connection to the given CubicWeb repository.
-
- Returns a Connection instance.
-
- Raises AuthenticationError if authentication failed
- """
- cnxid = repo.connect(unicode(login), **kwargs)
- cnx = Connection(repo, cnxid, kwargs.get('cnxprops'))
- if cnx.is_repo_in_memory:
- cnx.vreg = repo.vreg
- return cnx
-
-def connect(database, login=None,
- cnxprops=None, setvreg=True, mulcnx=True, initlog=True, **kwargs):
- """Constructor for creating a connection to the CubicWeb repository.
- Returns a :class:`Connection` object.
-
- Typical usage::
-
- cnx = connect('myinstance', login='me', password='toto')
-
- `database` may be:
-
- * a simple instance id for in-memory connection
-
- * a uri like scheme://host:port/instanceid where scheme must be
- 'inmemory'
-
- Other arguments:
-
- :login:
- the user login to use to authenticate.
-
- :cnxprops:
- a :class:`ConnectionProperties` instance, allowing to specify
- the connection method (eg in memory).
-
- :setvreg:
- flag telling if a registry should be initialized for the connection.
- Don't change this unless you know what you're doing.
-
- :mulcnx:
- Will disappear at some point. Try to deal with connections to differents
- instances in the same process unless specified otherwise by setting this
- flag to False. Don't change this unless you know what you're doing.
-
- :initlog:
- flag telling if logging should be initialized. You usually don't want
- logging initialization when establishing the connection from a process
- where it's already initialized.
-
- :kwargs:
- there goes authentication tokens. You usually have to specify a password
- for the given user, using a named 'password' argument.
-
- """
- if not urlparse(database).scheme:
- warn('[3.16] give an qualified URI as database instead of using '
- 'host/cnxprops to specify the connection method',
- DeprecationWarning, stacklevel=2)
- puri = urlparse(database)
- method = puri.scheme.lower()
- assert method == 'inmemory'
- config = cwconfig.instance_configuration(puri.netloc)
- repo = get_repository(database, config=config)
- vreg = repo.vreg
- cnx = _repo_connect(repo, login, cnxprops=cnxprops, **kwargs)
- cnx.vreg = vreg
- return cnx
-
-def in_memory_repo(config):
- """Return and in_memory Repository object from a config (or vreg)"""
- if isinstance(config, cwvreg.CWRegistryStore):
- vreg = config
- config = None
- else:
- vreg = None
- # get local access to the repository
- return get_repository('inmemory://', config=config, vreg=vreg)
-
-def in_memory_repo_cnx(config, login, **kwargs):
- """useful method for testing and scripting to get a dbapi.Connection
- object connected to an in-memory repository instance
- """
- # connection to the CubicWeb repository
- repo = in_memory_repo(config)
- return repo, _repo_connect(repo, login, **kwargs)
-
-# XXX web only method, move to webconfig?
-def anonymous_session(vreg):
- """return a new anonymous session
-
- raises an AuthenticationError if anonymous usage is not allowed
- """
- anoninfo = vreg.config.anonymous_user()
- if anoninfo[0] is None: # no anonymous user
- raise AuthenticationError('anonymous access is not authorized')
- anon_login, anon_password = anoninfo
- # use vreg's repository cache
- repo = vreg.config.repository(vreg)
- anon_cnx = _repo_connect(repo, anon_login, password=anon_password)
- anon_cnx.vreg = vreg
- return DBAPISession(anon_cnx, anon_login)
-
-
-class _NeedAuthAccessMock(object):
- def __getattribute__(self, attr):
- raise AuthenticationError()
- def __nonzero__(self):
- return False
-
-class DBAPISession(object):
- def __init__(self, cnx, login=None):
- self.cnx = cnx
- self.data = {}
- self.login = login
- # dbapi session identifier is the same as the first connection
- # identifier, but may later differ in case of auto-reconnection as done
- # by the web authentication manager (in cw.web.views.authentication)
- if cnx is not None:
- self.sessionid = cnx.sessionid
- else:
- self.sessionid = uuid4().hex
-
- @property
- def anonymous_session(self):
- return not self.cnx or self.cnx.anonymous_connection
-
- def __repr__(self):
- return '<DBAPISession %r>' % self.sessionid
-
-
-class DBAPIRequest(RequestSessionBase):
- #: Request language identifier eg: 'en'
- lang = None
-
- def __init__(self, vreg, session=None):
- super(DBAPIRequest, self).__init__(vreg)
- #: 'language' => translation_function() mapping
- try:
- # no vreg or config which doesn't handle translations
- self.translations = vreg.config.translations
- except AttributeError:
- self.translations = {}
- #: cache entities built during the request
- self._eid_cache = {}
- if session is not None:
- self.set_session(session)
- else:
- # these args are initialized after a connection is
- # established
- self.session = DBAPISession(None)
- self.cnx = self.user = _NeedAuthAccessMock()
- self.set_default_language(vreg)
-
- def get_option_value(self, option, foreid=None):
- if foreid is not None:
- warn('[3.19] foreid argument is deprecated', DeprecationWarning,
- stacklevel=2)
- return self.cnx.get_option_value(option)
-
- def set_session(self, session):
- """method called by the session handler when the user is authenticated
- or an anonymous connection is open
- """
- self.session = session
- if session.cnx:
- self.cnx = session.cnx
- self.execute = session.cnx.cursor(self).execute
- self.user = self.cnx.user(self)
- self.set_entity_cache(self.user)
-
- def execute(self, *args, **kwargs): # pylint: disable=E0202
- """overriden when session is set. By default raise authentication error
- so authentication is requested.
- """
- raise AuthenticationError()
-
- def set_default_language(self, vreg):
- try:
- lang = vreg.property_value('ui.language')
- except Exception: # property may not be registered
- lang = 'en'
- try:
- self.set_language(lang)
- except KeyError:
- # this occurs usually during test execution
- self._ = self.__ = unicode
- self.pgettext = lambda x, y: unicode(y)
-
- # server-side service call #################################################
-
- def call_service(self, regid, **kwargs):
- return self.cnx.call_service(regid, **kwargs)
-
- # entities cache management ###############################################
-
- def entity_cache(self, eid):
- return self._eid_cache[eid]
-
- def set_entity_cache(self, entity):
- self._eid_cache[entity.eid] = entity
-
- def cached_entities(self):
- return self._eid_cache.values()
-
- def drop_entity_cache(self, eid=None):
- if eid is None:
- self._eid_cache = {}
- else:
- del self._eid_cache[eid]
-
- # low level session data management #######################################
-
- @deprecated('[3.19] use session or transaction data')
- def get_shared_data(self, key, default=None, pop=False, txdata=False):
- """see :meth:`Connection.get_shared_data`"""
- return self.cnx.get_shared_data(key, default, pop, txdata)
-
- @deprecated('[3.19] use session or transaction data')
- def set_shared_data(self, key, value, txdata=False, querydata=None):
- """see :meth:`Connection.set_shared_data`"""
- if querydata is not None:
- txdata = querydata
- warn('[3.10] querydata argument has been renamed to txdata',
- DeprecationWarning, stacklevel=2)
- return self.cnx.set_shared_data(key, value, txdata)
-
- # server session compat layer #############################################
-
- def entity_metas(self, eid):
- """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
- return self.cnx.entity_metas(eid)
-
- def source_defs(self):
- """return the definition of sources used by the repository."""
- return self.cnx.source_defs()
-
- @deprecated('[3.19] use .entity_metas(eid) instead')
- def describe(self, eid, asdict=False):
- """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
- return self.cnx.describe(eid, asdict)
-
- # these are overridden by set_log_methods below
- # only defining here to prevent pylint from complaining
- info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
-
-set_log_methods(DBAPIRequest, getLogger('cubicweb.dbapi'))
-
-
-
-# cursor / connection objects ##################################################
-
-class Cursor(object):
- """These objects represent a database cursor, which is used to manage the
- context of a fetch operation. Cursors created from the same connection are
- not isolated, i.e., any changes done to the database by a cursor are
- immediately visible by the other cursors. Cursors created from different
- connections are isolated.
- """
-
- def __init__(self, connection, repo, req=None):
- """This read-only attribute return a reference to the Connection
- object on which the cursor was created.
- """
- self.connection = connection
- """optionnal issuing request instance"""
- self.req = req
- self._repo = repo
- self._sessid = connection.sessionid
-
- def close(self):
- """no effect"""
- pass
-
- def _txid(self):
- return self.connection._txid(self)
-
- def execute(self, rql, args=None, build_descr=True):
- """execute a rql query, return resulting rows and their description in
- a :class:`~cubicweb.rset.ResultSet` object
-
- * `rql` should be a Unicode string or a plain ASCII string, containing
- the rql query
-
- * `args` the optional args dictionary associated to the query, with key
- matching named substitution in `rql`
-
- * `build_descr` is a boolean flag indicating if the description should
- be built on select queries (if false, the description will be en empty
- list)
-
- on INSERT queries, there will be one row for each inserted entity,
- containing its eid
-
- on SET queries, XXX describe
-
- DELETE queries returns no result.
-
- .. Note::
- to maximize the rql parsing/analyzing cache performance, you should
- always use substitute arguments in queries, i.e. avoid query such as::
-
- execute('Any X WHERE X eid 123')
-
- use::
-
- execute('Any X WHERE X eid %(x)s', {'x': 123})
- """
- rset = self._repo.execute(self._sessid, rql, args,
- build_descr=build_descr, **self._txid())
- rset.req = self.req
- return rset
-
-
-class LogCursor(Cursor):
- """override the standard cursor to log executed queries"""
-
- def execute(self, operation, parameters=None, build_descr=True):
- """override the standard cursor to log executed queries"""
- tstart, cstart = time(), clock()
- rset = Cursor.execute(self, operation, parameters, build_descr=build_descr)
- self.connection.executed_queries.append((operation, parameters,
- time() - tstart, clock() - cstart))
- return rset
-
-def check_not_closed(func):
- def decorator(self, *args, **kwargs):
- if self._closed is not None:
- raise ProgrammingError('Closed connection %s' % self.sessionid)
- return func(self, *args, **kwargs)
- return decorator
-
-class Connection(object):
- """DB-API 2.0 compatible Connection object for CubicWeb
- """
- # make exceptions available through the connection object
- ProgrammingError = ProgrammingError
- # attributes that may be overriden per connection instance
- cursor_class = Cursor
- vreg = None
- _closed = None
-
- def __init__(self, repo, cnxid, cnxprops=None):
- self._repo = repo
- self.sessionid = cnxid
- self._close_on_del = getattr(cnxprops, 'close_on_del', True)
- self._web_request = False
- if cnxprops and cnxprops.log_queries:
- self.executed_queries = []
- self.cursor_class = LogCursor
-
- @property
- def is_repo_in_memory(self):
- """return True if this is a local, aka in-memory, connection to the
- repository
- """
- try:
- from cubicweb.server.repository import Repository
- except ImportError:
- # code not available, no way
- return False
- return isinstance(self._repo, Repository)
-
- @property # could be a cached property but we want to prevent assigment to
- # catch potential programming error.
- def anonymous_connection(self):
- login = self._repo.user_info(self.sessionid)[1]
- anon_login = self.vreg.config.get('anonymous-user')
- return login == anon_login
-
- def __repr__(self):
- if self.anonymous_connection:
- return '<Connection %s (anonymous)>' % self.sessionid
- return '<Connection %s>' % self.sessionid
-
- def __enter__(self):
- return self.cursor()
-
- def __exit__(self, exc_type, exc_val, exc_tb):
- if exc_type is None:
- self.commit()
- else:
- self.rollback()
- return False #propagate the exception
-
- def __del__(self):
- """close the remote connection if necessary"""
- if self._closed is None and self._close_on_del:
- try:
- self.close()
- except Exception:
- pass
-
- # server-side service call #################################################
-
- @check_not_closed
- def call_service(self, regid, **kwargs):
- return self._repo.call_service(self.sessionid, regid, **kwargs)
-
- # connection initialization methods ########################################
-
- def load_appobjects(self, cubes=_MARKER, subpath=None, expand=True):
- config = self.vreg.config
- if cubes is _MARKER:
- cubes = self._repo.get_cubes()
- elif cubes is None:
- cubes = ()
- else:
- if not isinstance(cubes, (list, tuple)):
- cubes = (cubes,)
- if expand:
- cubes = config.expand_cubes(cubes)
- if subpath is None:
- subpath = esubpath = ('entities', 'views')
- else:
- esubpath = subpath
- if 'views' in subpath:
- esubpath = list(subpath)
- esubpath.remove('views')
- esubpath.append(join('web', 'views'))
- # first load available configs, necessary for proper persistent
- # properties initialization
- config.load_available_configs()
- # then init cubes
- config.init_cubes(cubes)
- # then load appobjects into the registry
- vpath = config.build_appobjects_path(reversed(config.cubes_path()),
- evobjpath=esubpath,
- tvobjpath=subpath)
- self.vreg.register_objects(vpath)
-
- def use_web_compatible_requests(self, baseurl, sitetitle=None):
- """monkey patch DBAPIRequest to fake a cw.web.request, so you should
- able to call html views using rset from a simple dbapi connection.
-
- You should call `load_appobjects` at some point to register those views.
- """
- DBAPIRequest.property_value = _fake_property_value
- DBAPIRequest.next_tabindex = count().next
- DBAPIRequest.relative_path = fake
- DBAPIRequest.url = fake
- DBAPIRequest.get_page_data = fake
- DBAPIRequest.set_page_data = fake
- # XXX could ask the repo for it's base-url configuration
- self.vreg.config.set_option('base-url', baseurl)
- self.vreg.config.uiprops = {}
- self.vreg.config.datadir_url = baseurl + '/data'
- # XXX why is this needed? if really needed, could be fetched by a query
- if sitetitle is not None:
- self.vreg['propertydefs']['ui.site-title'] = {'default': sitetitle}
- self._web_request = True
-
- def request(self):
- if self._web_request:
- from cubicweb.web.request import DBAPICubicWebRequestBase
- req = DBAPICubicWebRequestBase(self.vreg, False)
- req.get_header = lambda x, default=None: default
- req.set_session = lambda session: DBAPIRequest.set_session(
- req, session)
- req.relative_path = lambda includeparams=True: ''
- else:
- req = DBAPIRequest(self.vreg)
- req.set_session(DBAPISession(self))
- return req
-
- @check_not_closed
- def user(self, req=None, props=None):
- """return the User object associated to this connection"""
- # cnx validity is checked by the call to .user_info
- eid, login, groups, properties = self._repo.user_info(self.sessionid,
- props)
- if req is None:
- req = self.request()
- rset = req.eid_rset(eid, 'CWUser')
- if self.vreg is not None and 'etypes' in self.vreg:
- user = self.vreg['etypes'].etype_class('CWUser')(
- req, rset, row=0, groups=groups, properties=properties)
- else:
- from cubicweb.entity import Entity
- user = Entity(req, rset, row=0)
- user.cw_attr_cache['login'] = login # cache login
- return user
-
- @check_not_closed
- def check(self):
- """raise `BadConnectionId` if the connection is no more valid, else
- return its latest activity timestamp.
- """
- return self._repo.check_session(self.sessionid)
-
- def _txid(self, cursor=None): # pylint: disable=E0202
- # XXX could now handle various isolation level!
- # return a dict as bw compat trick
- return {'txid': currentThread().getName()}
-
- # session data methods #####################################################
-
- @check_not_closed
- def get_shared_data(self, key, default=None, pop=False, txdata=False):
- """return value associated to key in the session's data dictionary or
- session's transaction's data if `txdata` is true.
-
- If pop is True, value will be removed from the dictionary.
-
- If key isn't defined in the dictionary, value specified by the
- `default` argument will be returned.
- """
- return self._repo.get_shared_data(self.sessionid, key, default, pop, txdata)
-
- @check_not_closed
- def set_shared_data(self, key, value, txdata=False):
- """set value associated to `key` in shared data
-
- if `txdata` is true, the value will be added to the repository
- session's query data which are cleared on commit/rollback of the current
- transaction.
- """
- return self._repo.set_shared_data(self.sessionid, key, value, txdata)
-
- # meta-data accessors ######################################################
-
- @check_not_closed
- def source_defs(self):
- """Return the definition of sources used by the repository."""
- return self._repo.source_defs()
-
- @check_not_closed
- def get_schema(self):
- """Return the schema currently used by the repository."""
- return self._repo.get_schema()
-
- @check_not_closed
- def get_option_value(self, option, foreid=None):
- """Return the value for `option` in the configuration.
-
- `foreid` argument is deprecated and now useless (as of 3.19).
- """
- if foreid is not None:
- warn('[3.19] foreid argument is deprecated', DeprecationWarning,
- stacklevel=2)
- return self._repo.get_option_value(option)
-
-
- @check_not_closed
- def entity_metas(self, eid):
- """return a tuple (type, sourceuri, extid) for the entity with id <eid>"""
- try:
- return self._repo.entity_metas(self.sessionid, eid, **self._txid())
- except AttributeError:
- # talking to pre 3.19 repository
- metas = self._repo.describe(self.sessionid, eid, **self._txid())
- if len(metas) == 3: # even older backward compat
- metas = list(metas)
- metas.append(metas[1])
- return dict(zip(('type', 'source', 'extid', 'asource'), metas))
-
-
- @deprecated('[3.19] use .entity_metas(eid) instead')
- @check_not_closed
- def describe(self, eid, asdict=False):
- try:
- metas = self._repo.entity_metas(self.sessionid, eid, **self._txid())
- except AttributeError:
- metas = self._repo.describe(self.sessionid, eid, **self._txid())
- # talking to pre 3.19 repository
- if len(metas) == 3: # even older backward compat
- metas = list(metas)
- metas.append(metas[1])
- if asdict:
- return dict(zip(('type', 'source', 'extid', 'asource'), metas))
- return metas[:-1]
- if asdict:
- metas['asource'] = meta['source'] # XXX pre 3.19 client compat
- return metas
- return metas['type'], metas['source'], metas['extid']
-
-
- # db-api like interface ####################################################
-
- @check_not_closed
- def commit(self):
- """Commit pending transaction for this connection to the repository.
-
- may raises `Unauthorized` or `ValidationError` if we attempted to do
- something we're not allowed to for security or integrity reason.
-
- If the transaction is undoable, a transaction id will be returned.
- """
- return self._repo.commit(self.sessionid, **self._txid())
-
- @check_not_closed
- def rollback(self):
- """This method is optional since not all databases provide transaction
- support.
-
- In case a database does provide transactions this method causes the the
- database to roll back to the start of any pending transaction. Closing
- a connection without committing the changes first will cause an implicit
- rollback to be performed.
- """
- self._repo.rollback(self.sessionid, **self._txid())
-
- @check_not_closed
- def cursor(self, req=None):
- """Return a new Cursor Object using the connection.
- """
- if req is None:
- req = self.request()
- return self.cursor_class(self, self._repo, req=req)
-
- @check_not_closed
- def close(self):
- """Close the connection now (rather than whenever __del__ is called).
-
- The connection will be unusable from this point forward; an Error (or
- subclass) exception will be raised if any operation is attempted with
- the connection. The same applies to all cursor objects trying to use the
- connection. Note that closing a connection without committing the
- changes first will cause an implicit rollback to be performed.
- """
- self._repo.close(self.sessionid, **self._txid())
- del self._repo # necessary for proper garbage collection
- self._closed = 1
-
- # undo support ############################################################
-
- @check_not_closed
- def undoable_transactions(self, ueid=None, req=None, **actionfilters):
- """Return a list of undoable transaction objects by the connection's
- user, ordered by descendant transaction time.
-
- Managers may filter according to user (eid) who has done the transaction
- using the `ueid` argument. Others will only see their own transactions.
-
- Additional filtering capabilities is provided by using the following
- named arguments:
-
- * `etype` to get only transactions creating/updating/deleting entities
- of the given type
-
- * `eid` to get only transactions applied to entity of the given eid
-
- * `action` to get only transactions doing the given action (action in
- 'C', 'U', 'D', 'A', 'R'). If `etype`, action can only be 'C', 'U' or
- 'D'.
-
- * `public`: when additional filtering is provided, their are by default
- only searched in 'public' actions, unless a `public` argument is given
- and set to false.
- """
- actionfilters.update(self._txid())
- txinfos = self._repo.undoable_transactions(self.sessionid, ueid,
- **actionfilters)
- if req is None:
- req = self.request()
- for txinfo in txinfos:
- txinfo.req = req
- return txinfos
-
- @check_not_closed
- def transaction_info(self, txuuid, req=None):
- """Return transaction object for the given uid.
-
- raise `NoSuchTransaction` if not found or if session's user is not
- allowed (eg not in managers group and the transaction doesn't belong to
- him).
- """
- txinfo = self._repo.transaction_info(self.sessionid, txuuid,
- **self._txid())
- if req is None:
- req = self.request()
- txinfo.req = req
- return txinfo
-
- @check_not_closed
- def transaction_actions(self, txuuid, public=True):
- """Return an ordered list of action effectued during that transaction.
-
- If public is true, return only 'public' actions, eg not ones triggered
- under the cover by hooks, else return all actions.
-
- raise `NoSuchTransaction` if the transaction is not found or if
- session's user is not allowed (eg not in managers group and the
- transaction doesn't belong to him).
- """
- return self._repo.transaction_actions(self.sessionid, txuuid, public,
- **self._txid())
-
- @check_not_closed
- def undo_transaction(self, txuuid):
- """Undo the given transaction. Return potential restoration errors.
-
- raise `NoSuchTransaction` if not found or if session's user is not
- allowed (eg not in managers group and the transaction doesn't belong to
- him).
- """
- return self._repo.undo_transaction(self.sessionid, txuuid,
- **self._txid())
-
-in_memory_cnx = deprecated('[3.16] use _repo_connect instead)')(_repo_connect)