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"""Implements all pydvdid package-specific exceptions. |
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""" |
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from __future__ import unicode_literals |
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class PydvdidException(Exception): |
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"""Implements a class that represents an exception raised by the pydvdid package. This exception |
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is never directly raised and is intended to be used in an 'except' block to handle any |
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exception that originates from the package. |
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""" |
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def __new__(cls, *args, **kwargs): |
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if cls is PydvdidException: |
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raise TypeError("PydvdidException may not be directly instantiated.") |
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return Exception.__new__(cls, *args, **kwargs) |
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class FileContentReadException(PydvdidException): |
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"""Implements a class that represents the exception raised when a file's content cannot be |
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successfully read. |
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""" |
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def __init__(self, expected_size, actual_size): |
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if actual_size is None: |
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template = "No bytes are available." |
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else: |
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template = "{0} bytes were expected, {1} were read." |
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super(FileContentReadException, self).__init__(template.format(expected_size, actual_size)) |
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class FileTimeOutOfRangeException(PydvdidException): |
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"""Implements a class that represents the exception raised when a file's creation or |
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modification time is outside the allowable range (i.e. before 1601-01-01 00:00:00 or after |
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9999-12-31 23:59:59). |
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""" |
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def __init__(self, file_time): |
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template = "File Time '{0}' is outside of the allowable range." |
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super(FileTimeOutOfRangeException, self).__init__(template.format(file_time)) |
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class PathDoesNotExistException(PydvdidException): |
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"""Implements a class that represents the exception raised when a path does not exist. |
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""" |
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def __init__(self, path): |
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template = "Path '{0}' does not exist." |
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super(PathDoesNotExistException, self).__init__(template.format(path)) |
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sjwood /
pydvdid
