[crypto] Use Cryptodome namespace instead of Crypto
PyCryptodome comes in two flavors: “an almost drop-in replacement for the old
PyCrypto library” and “a library independent of the old PyCrypto”. The former
uses the Crypto namespace, and is shipped as `pycryptodome` while the latter
uses Cryptodome instead and lies in the `pycryptodomex` package.
Given the reason to switch to PyCryptodome is that PyCrypto in unmaintained,
its probably better to avoid any mistake and mandate the specific usage of
the Cryptodome namespace by requiring `pycryptodomex` instead of
`pycryptodome`.
A more present reason is that Debian buster will only provide a package
with the separate namespace flavor. The current Recommends is not working with
the current code. Although it's important to note that the package name will
probably have to be changed to `python3-pycryptodomex` once
https://bugs.debian.org/886291 is solved.
# copyright 2010-2016 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/>.
"""hooks for repository sources synchronization"""
from cubicweb import _
from cubicweb import validation_error
from cubicweb.predicates import is_instance
from cubicweb.server import SOURCE_TYPES, hook
class SourceHook(hook.Hook):
__abstract__ = True
category = 'cw.sources'
def get_source(self, source_entity):
if source_entity.name == 'system':
return self._cw.repo.system_source
return self._cw.repo.get_source(source_entity.type, source_entity.name,
{}, source_entity.eid)
class SourceAddedHook(SourceHook):
__regid__ = 'cw.sources.added'
__select__ = SourceHook.__select__ & is_instance('CWSource')
events = ('after_add_entity',)
def __call__(self):
if self.entity.type not in SOURCE_TYPES:
msg = _('Unknown source type')
raise validation_error(self.entity, {('type', 'subject'): msg})
source = self.get_source(self.entity)
source.check_urls(self.entity)
source.check_config(self.entity)
class SourceRemovedHook(SourceHook):
__regid__ = 'cw.sources.removed'
__select__ = SourceHook.__select__ & is_instance('CWSource')
events = ('before_delete_entity',)
def __call__(self):
if self.entity.name == 'system':
msg = _("You cannot remove the system source")
raise validation_error(self.entity, {None: msg})
class SourceUpdatedHook(SourceHook):
__regid__ = 'cw.sources.configupdate'
__select__ = SourceHook.__select__ & is_instance('CWSource')
events = ('before_update_entity',)
def __call__(self):
if 'name' in self.entity.cw_edited:
oldname, newname = self.entity.cw_edited.oldnewvalue('name')
if oldname == 'system':
msg = _("You cannot rename the system source")
raise validation_error(self.entity, {('name', 'subject'): msg})
source = self.get_source(self.entity)
if 'url' in self.entity.cw_edited:
source.check_urls(self.entity)
if 'config' in self.entity.cw_edited:
source.check_config(self.entity)