Source code for spinn_utilities.ranged.ranged_list_of_lists
# Copyright (c) 2021 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from spinn_utilities.helpful_functions import is_singleton
from spinn_utilities.overrides import overrides
from .ranged_list import RangedList
[docs]class RangedListOfList(RangedList):
# pylint: disable=unused-argument
[docs] @staticmethod
@overrides(RangedList.is_list)
def is_list(value, size): # @UnusedVariable
if callable(value):
return True
if is_singleton(value):
raise TypeError(
"Value must be an iterable or iterable of iterables")
try:
# Must be an iterable
if len(value) == 0:
return False
# All or No values must be singletons
singleton = is_singleton(value[0])
for i in range(1, len(value)):
if singleton != is_singleton(value[i]):
raise ValueError(
"Illegal mixing of singleton and iterable")
# A list of all singletons is a single value not a list here!
return not singleton
except TypeError as original:
raise TypeError(
"Value must be an iterable or iterable of iterables") \
from original