def __init__(self, domroot=None):
"""
Constructor should be called with either no parameters
(create blank GrantDeny), or one parameter (a DOM tree).
@param domroot: A DOM tree (default: None).
@type domroot: L{webdav.WebdavResponse.Element} object
@raise WebdavError: When non-valid parameters are passed a L{WebdavError} is raised.
"""
self.grantDeny = 0 # 0: deny, 1: grant
self.privileges = []
if domroot:
self.grantDeny = (domroot.name == Constants.TAG_GRANT)
for child in domroot.children:
if child.name == Constants.TAG_PRIVILEGE and child.ns == Constants.NS_DAV:
self.privileges.append(Privilege(domroot=child))
else:
# This shouldn't happen, someone screwed up with the params ...
raise WebdavError('Non-privilege tag handed to GrantDeny constructor: %s' \
% child.name)
elif domroot == None:
# no param ==> blank object
pass
else:
# This shouldn't happen, someone screwed up with the params ...
raise WebdavError('Non-valid parameters handed to GrantDeny constructor.')
def getCurrentUserPrivileges(self):
"""
Returns a tuple of the current user privileges.
@return: list of Privilege instances
@rtype: list of L{Privilege<webdav.acp.Privilege.Privilege>}
"""
privileges = self.readProperty(Constants.NS_DAV, Constants.PROP_CURRENT_USER_PRIVILEGE_SET)
result = []
for child in privileges.children:
result.append(Privilege(domroot=child))
return result
def addPrivilege(self, privilege):
"""
Adds the passed privilege to list if it's not in it, yet.
@param privilege: A privilege.
@type privilege: L{Privilege} object
"""
inList = False
for priv in self.privileges:
if priv == privilege:
inList = True
if not inList:
newPrivilege = Privilege()
newPrivilege.copy(privilege)
self.privileges.append(newPrivilege)
