Source code for spinn_front_end_common.interface.ds.data_row_writer

# Copyright (c) 2017 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.

import io


[docs]class DataRowWriter(io.RawIOBase): __slots__ = [ "_x", "_y", "_p", "_targets", "_data", ] def __init__(self, x, y, p, targets): super().__init__() self._x = x self._y = y self._p = p self._targets = targets self._data = bytearray()
[docs] def write(self, data): assert self.closed is False self._data += data
[docs] def readable(self): return False
[docs] def seekable(self): return False
[docs] def writable(self): return False
[docs] def truncate(self, size=None): # Ignore pass
[docs] def fileno(self): raise OSError
[docs] def close(self): """ Closes the writer if not already closed. """ if not self.closed: self._targets.write_data_spec( self._x, self._y, self._p, self._data) super().close()