def need_rebuild(filename):
if not os.path.exists(filename):
return False
with open(filename) as infile:
reader = csv.DictReader(infile)
return reader.fieldnames != Transition.csv_headers()
def rebuild_history(rooms, doors, input_filenames, output_filename):
# Some older files don't have door ids, so we need to infer the door
# ids from the room ids
by_room_and_exit = {}
for input in input_filenames:
with open(input) as infile:
reader = csv.DictReader(infile)
for row in reader:
transition = Transition.from_csv_row(rooms, doors, row)
if transition.id.entry_room is NullRoom:
# print("ignoring %s" % transition.id)
continue
key = (transition.id.room, transition.id.exit_room)
r = by_room_and_exit.get(key)
if r is None:
by_room_and_exit[key] = {}
by_room_and_exit[key][transition.id] = True
with open(output_filename, 'w') as outfile:
print(','.join(Transition.csv_headers()), file=outfile)
writer = csv.writer(outfile)
for input in input_filenames:
with open(input) as infile:
reader = csv.DictReader(infile)
n = 1 # we already read the header
for row in reader:
n += 1
transition = Transition.from_csv_row(rooms, doors, row)
if transition.id.entry_door.entry_room is NullRoom:
key = (transition.id.room, transition.id.exit_room)
l = by_room_and_exit.get(key)
if l:
if len(l) == 1:
print("Fixing entry door on line %d" % n)
transition.id.entry_door = list(
l.keys())[0].entry_door
else:
print(
"More than one entry door found for %s to $s (line %d): %s"
% (transition.id.room,
transition.id.exit_room, n, repr(l)))
else:
# print("No entry door found for %s to %s (line %d)" %
# (transition.id.room, transition.id.exit_room, n))
pass
writer.writerow(transition.as_csv_row())
def _write_header(self):
print(','.join(Transition.csv_headers()), file=self.file)