1"""
2Exception classes
3"""
4
5
6class Error(Exception):
7    """
8    Pysrt's base exception
9    """
10    pass
11
12
13class InvalidTimeString(Error):
14    """
15    Raised when parser fail on bad formated time strings
16    """
17    pass
18
19
20class InvalidItem(Error):
21    """
22    Raised when parser fail to parse a sub title item
23    """
24    pass
25
26
27class InvalidIndex(InvalidItem):
28    """
29    Raised when parser fail to parse a sub title index
30    """
31    pass
32