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comparison pytouhou/formats/pbg3.py @ 377:70e2ed71b09c

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Add meaningful exceptions in format parsing.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 29 Aug 2012 18:34:28 +0200
parents b5c7369abd7c
children 1b532e7dd521
comparison
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376:69ec72b990a4 377:70e2ed71b09c
25 25
26 from pytouhou.utils.bitstream import BitStream 26 from pytouhou.utils.bitstream import BitStream
27 import pytouhou.utils.lzss as lzss 27 import pytouhou.utils.lzss as lzss
28 28
29 from pytouhou.utils.helpers import get_logger 29 from pytouhou.utils.helpers import get_logger
30
31 from pytouhou.formats import WrongFormatError
30 32
31 logger = get_logger(__name__) 33 logger = get_logger(__name__)
32 34
33 35
34 class PBG3BitStream(BitStream): 36 class PBG3BitStream(BitStream):
99 Return a PBG3 instance otherwise. 101 Return a PBG3 instance otherwise.
100 """ 102 """
101 103
102 magic = file.read(4) 104 magic = file.read(4)
103 if magic != b'PBG3': 105 if magic != b'PBG3':
104 raise Exception #TODO 106 raise WrongFormatError(magic)
105 107
106 bitstream = PBG3BitStream(file) 108 bitstream = PBG3BitStream(file)
107 entries = {} 109 entries = {}
108 110
109 nb_entries = bitstream.read_int() 111 nb_entries = bitstream.read_int()