Source code for spinn_front_end_common.interface.ds.data_row_writer

# Copyright (c) 2017-2019 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/>.

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()