def pid_to_slot_number_stream(self, pid):
if pid in self._slots:
return self._slots[pid]
self.clean_old_pids()
used_slot_numbers = [x[0] for x in self._slots.values()]
for i in range(0, self._numprocesses):
if i not in used_slot_numbers:
fn = self._filename.replace('{SLOT}', str(i))
stream = FileStream(filename=fn, time_format=self._time_format)
stream.open()
self._slots[pid] = (i, stream)
return (i, stream)
log.warning("can't find a slot number for pid=%i" % pid)
return (None, None)
