def import_drawing(self):
"""Import the file and return structure containing all entities."""
try:
# read and parse all lines
with open(self.filename) as fin:
lines = 0
for line in fin:
self.parse_line(line)
lines += 1
drawing = Drawing(self.entities, self.statistic, lines)
drawing.rooms = self.rooms
drawing.drawing_id = self.drawing_id
# TODO this needs to be improved for deleted rooms
drawing.room_counter = len(self.rooms) + 1
return drawing
except Exception as e:
print(e)
return None
