def modify_arcs(self, command, dests, options):
keyfun = self.name
command = command.upper()
what = default_get(kwargs, "what", self.__class__.__name__.lower())
errwhat = default_getattr(errors, what.upper(), errors.UNKNOWN)
if command == "ADD":
old_dests = preserve_order and getfun(self) or set(getfun(self))
new_dests = preserve_order and dests or set(dests)
if keyfun in new_dests and not heterogeneous:
fail(
errors.make(errors.CIRCULAR_RELATIONSHIP,
errors.INVALID_RELATIONSHIP, errwhat),
"%s %s cannot %s itself" % (what, name, explain))
setfun(self, uniq(itertools.chain(old_dests, new_dests)))
self.update()
elif command == "REPLACE":
new_dests = preserve_order and dests or set(dests)
if keyfun in new_dests and not heterogeneous:
fail(
errors.make(errors.CIRCULAR_RELATIONSHIP,
errors.INVALID_RELATIONSHIP, errwhat),
"%s %s cannot %s itself" % (what, name, explain))
setfun(self, new_dests)
self.update()
elif command == "REMOVE":
setfun(
self,
[dest for new_dests in getfun(self) if not dest in set(dests)])
self.update()
elif command in ["INTERSECT", "DIFF", "UNION"]:
if preserve_order:
fail(
errors.make(errors.INTERNAL_ERROR, errors.NOT_IMPLEMENTED,
errwhat),
"%s not implemented for order-preserving relations" %
command)
op = globals()["%s_collections" % command.lower()]
old_dests = getfun(self)
supplied_dests = set(dests)
new_dests = op(old_dests, supplied_dests)
if keyfun() in new_dests and not heterogeneous:
fail(
errors.make(errors.CIRCULAR_RELATIONSHIP,
errors.INVALID_RELATIONSHIP, errwhat),
"%s %s cannot %s itself" % (what, name, explain))
setfun(self, new_dests)
self.update()
else:
fail(errors.make(errors.BAD_COMMAND, errwhat),
"Invalid command %s" % command)
def getGroup(self, **query):
name = (query.has_key("name") and query["name"]) or (query.has_key("NAME") and query["NAME"]) or None
if name is None:
fail(errors.make(errors.BAD_ARGUMENT), "invalid query type %r" % query)
result = self.cm.make_proxy_object(group, name)
result.refresh()
return result
def getGroup(self, **query):
name = (query.has_key("name")
and query["name"]) or (query.has_key("NAME")
and query["NAME"]) or None
if name is None:
fail(errors.make(errors.BAD_ARGUMENT),
"invalid query type %r" % query)
result = self.cm.make_proxy_object(group, name)
result.refresh()
return result
def modify_arcs(self, command, dests, options):
keyfun = self.name
command = command.upper()
what = default_get(kwargs, "what", self.__class__.__name__.lower())
errwhat = default_getattr(errors, what.upper(), errors.UNKNOWN)
if command == "ADD":
old_dests = preserve_order and getfun(self) or set(getfun(self))
new_dests = preserve_order and dests or set(dests)
if keyfun in new_dests and not heterogeneous:
fail(errors.make(errors.CIRCULAR_RELATIONSHIP, errors.INVALID_RELATIONSHIP, errwhat), "%s %s cannot %s itself" % (what, name, explain))
setfun(self, uniq(itertools.chain(old_dests, new_dests)))
self.update()
elif command == "REPLACE":
new_dests = preserve_order and dests or set(dests)
if keyfun in new_dests and not heterogeneous:
fail(errors.make(errors.CIRCULAR_RELATIONSHIP, errors.INVALID_RELATIONSHIP, errwhat), "%s %s cannot %s itself" % (what, name, explain))
setfun(self, new_dests)
self.update()
elif command == "REMOVE":
setfun(self, [dest for new_dests in getfun(self) if not dest in set(dests)])
self.update()
elif command in ["INTERSECT", "DIFF", "UNION"]:
if preserve_order:
fail(errors.make(errors.INTERNAL_ERROR, errors.NOT_IMPLEMENTED, errwhat), "%s not implemented for order-preserving relations" % command)
op = globals()["%s_collections" % command.lower()]
old_dests = getfun(self)
supplied_dests = set(dests)
new_dests = op(old_dests, supplied_dests)
if keyfun() in new_dests and not heterogeneous:
fail(errors.make(errors.CIRCULAR_RELATIONSHIP, errors.INVALID_RELATIONSHIP, errwhat), "%s %s cannot %s itself" % (what, name, explain))
setfun(self, new_dests)
self.update()
else:
fail(errors.make(errors.BAD_COMMAND, errwhat), "Invalid command %s" % command)
def modifyParams(self, command, params, **options):
command = command.upper()
if command == "ADD":
for k, v in params.iteritems():
self.parameters[k] = v
elif command == "REMOVE":
for k in [k for k in params if k in self.parameters]:
del self.parameters[k]
elif command == "REPLACE":
self.parameters = params
else:
fail(errors.make(errors.BAD_COMMAND, errors.GROUP), "Invalid command %s" % command)
self.update()
def modifyParams(command, params, **options):
command = command.upper()
if command == "ADD":
for k, v in params.iteritems():
self.parameters[k] = v
elif command == "REMOVE":
for k in [k for k in params if k in self.parameters]:
del self.parameters[k]
elif command == "REPLACE":
self.parameters = params
else:
fail(errors.make(errors.BAD_COMMAND, errors.FEATURE),
"Invalid command %s" % command)
self.update()
