Source code for spinn_utilities.matrix.double_dict
# Copyright (c) 2017-2018 The University of Manchester
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from six import raise_from
from .x_view import XView
from .y_view import YView
[docs]class DoubleDict(object):
__slots__ = [
"_matrix", "_xtype", "_ytype"]
def __init__(self, xtype, ytype, matrix):
self._xtype = xtype
self._ytype = ytype
self._matrix = matrix
def __getitem__(self, key):
if isinstance(key, self._xtype):
return XView(x=key, matrix=self._matrix)
if isinstance(key, self._ytype):
return YView(y=key, matrix=self._matrix)
raise KeyError("Key {} has an unexpected type".format(key))
def __setitem__(self, key, value):
try:
if isinstance(key, self._xtype):
correct = all(isinstance(y, self._ytype) for y in value.keys())
if not correct:
raise ValueError(
"All keys in the value must be of type {}".format(
self._ytype))
for y in value.keys():
self._matrix.set_data(x=key, y=y, value=value[y])
elif isinstance(key, self._ytype):
correct = all(isinstance(x, self._xtype) for x in value.keys())
if not correct:
raise ValueError(
"All keys in the value must be of type {}".format(
self._xtype))
for x in value.keys():
self._matrix.set_data(x=x, y=key, value=value[x])
else:
raise KeyError("Key {} has an unexpected type".format(key))
except AttributeError as e:
raise_from(ValueError("Value must of type dict. Or at least "
"implement keys() and __getitem__"), e)