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##############################################################################
#
# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
# Yoshinori Okuji <yo@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from Acquisition import Implicit
import time, os
from Products.ERP5Type.Utils import convertToUpperCase
from MethodObject import Method
from Globals import InitializeClass
from AccessControl import ClassSecurityInfo
from Products.ERP5Type import Permissions
from zLOG import LOG
try:
import pysvn
class SubversionError(Exception):
"""The base exception class for the Subversion interface.
"""
pass
class SubversionInstallationError(SubversionError):
"""Raised when an installation is broken.
"""
pass
class SubversionTimeoutError(SubversionError):
"""Raised when a Subversion transaction is too long.
"""
pass
class SubversionLoginError(SubversionError):
"""Raised when an authentication is required.
"""
def __init__(self, realm = None):
self._realm = realm
def getRealm(self):
return self._realm
class SubversionSSLTrustError(SubversionError):
"""Raised when a SSL certificate is not trusted.
"""
def __init__(self, trust_dict = None):
self._trust_dict = trust_dict
def getTrustDict(self):
return self._trust_dict
class Callback:
"""The base class for callback functions.
"""
def __init__(self, client):
self.client = client
def __call__(self, *args):
pass
class CancelCallback(Callback):
def __call__(self):
current_time = time.time()
if current_time - self.client.creation_time > self.client.getTimeout():
raise SubversionTimeoutError, 'too long transaction'
#return True
return False
class GetLogMessageCallback(Callback):
def __call__(self):
message = self.client.getLogMessage()
if message:
return True, message
return False, ''
class GetLoginCallback(Callback):
def __call__(self, realm, username, may_save):
user, password = self.client.getLogin(realm)
if user is None:
raise SubversionLoginError(realm)
#return False, '', '', False
return True, user, password, False
class NotifyCallback(Callback):
def __call__(self, event_dict):
# FIXME: should accumulate information for the user
pass
class SSLServerTrustPromptCallback(Callback):
def __call__(self, trust_dict):
trust, permanent = self.client.trustSSLServer(trust_dict)
if not trust:
raise SubversionSSLTrustError(trust_dict)
#return False, 0, False
# XXX SSL server certificate failure bits are not defined in pysvn.
# 0x8 means that the CA is unknown.
return True, 0x8, permanent
# Wrap objects defined in pysvn so that skins have access to attributes in the ERP5 way.
class Getter(Method):
def __init__(self, key):
self._key = key
def __call__(self, instance):
value = getattr(instance._obj, self._key)
if type(value) == type(u''):
value = value.encode('utf-8')
#elif isinstance(value, pysvn.Entry):
elif str(type(value)) == "<type 'entry'>":
value = Entry(value)
#elif isinstance(value, pysvn.Revision):
elif str(type(value)) == "<type 'revision'>":
value = Revision(value)
return value
def initializeAccessors(klass):
klass.security = ClassSecurityInfo()
klass.security.declareObjectPublic()
for attr in klass.attribute_list:
name = 'get' + convertToUpperCase(attr)
print name
setattr(klass, name, Getter(attr))
klass.security.declarePublic(name)
InitializeClass(klass)
class ObjectWrapper(Implicit):
attribute_list = ()
def __init__(self, obj):
self._obj = obj
class Status(ObjectWrapper):
# XXX Big Hack to fix a bug
__allow_access_to_unprotected_subobjects__ = 1
attribute_list = ('path', 'entry', 'is_versioned', 'is_locked', 'is_copied', 'is_switched', 'prop_status', 'text_status', 'repos_prop_status', 'repos_text_status')
initializeAccessors(Status)
class Entry(ObjectWrapper):
attribute_list = ('checksum', 'commit_author', 'commit_revision', 'commit_time',
'conflict_new', 'conflict_old', 'conflict_work', 'copy_from_revision',
'copy_from_url', 'is_absent', 'is_copied', 'is_deleted', 'is_valid',
'kind', 'name', 'properties_time', 'property_reject_file', 'repos',
'revision', 'schedule', 'text_time', 'url', 'uuid')
class Revision(ObjectWrapper):
attribute_list = ('kind', 'date', 'number')
initializeAccessors(Revision)
class SubversionClient(Implicit):
"""This class wraps pysvn's Client class.
"""
log_message = None
timeout = 60 * 5
def __init__(self, **kw):
self.client = pysvn.Client()
self.client.set_auth_cache(0)
self.client.callback_cancel = CancelCallback(self)
self.client.callback_get_log_message = GetLogMessageCallback(self)
self.client.callback_get_login = GetLoginCallback(self)
#self.client.callback_get_login = self.callback_get_Login
self.client.callback_notify = NotifyCallback(self)
self.client.callback_ssl_server_trust_prompt = SSLServerTrustPromptCallback(self)
#self.client.callback_ssl_server_trust_prompt = self.callback_ssl_server_trust_prompt
self.creation_time = time.time()
self.__dict__.update(kw)
def getLogMessage(self):
return self.log_message
def _getPreferences(self):
self.working_path = self.getPortalObject().portal_preferences.getPreference('subversion_working_copy')
if not self.working_path :
raise "Error: Please set Subversion working path in preferences"
self.svn_username = self.getPortalObject().portal_preferences.getPreference('preferred_subversion_user_name')
os.chdir(self.working_path);
def getTimeout(self):
return self.timeout
# def callback_get_Login( self, realm, username, may_save ):
# #Retrieving saved username/password
# username, password = self.login
# if not username :
# raise "Error: Couldn't retrieve saved username !"
# if not password :
# raise "Error: Couldn't retrieve saved password !"
# return 1, username, password, True
def trustSSLServer(self, trust_dict):
return self.aq_parent._trustSSLServer(trust_dict)
# def callback_ssl_server_trust_prompt( self, trust_data ):
# # Always trusting
# return True, trust_data['failures'], True
def checkin(self, path, log_message, recurse):
self._getPreferences()
return self.client.checkin(path, log_message=log_message, recurse=recurse)
def status(self, path, **kw):
# Since plain Python classes are not convenient in Zope, convert the objects.
return [Status(x) for x in self.client.status(path, **kw)]
def diff(self, path):
self._getPreferences()
os.system('mkdir -p /tmp/tmp-svn/')
return self.client.diff(tmp_path='/tmp/tmp-svn/', url_or_path=path, recurse=False)
def revert(self, path):
self._getPreferences()
return self.client.revert(path)
def newSubversionClient(container, **kw):
return SubversionClient(**kw).__of__(container)
except ImportError:
from zLOG import LOG, WARNING
LOG('SubversionTool', WARNING,
'could not import pysvn; until pysvn is installed properly, this tool will not work.')
def newSubversionClient(container, **kw):
raise SubversionInstallationError, 'pysvn is not installed'