mirror of
https://github.com/PyCQA/flake8.git
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12e71b0372
Presently we're working on having two singly-responsible classes that will be easy to test and ideally easier to reason about.
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""Exception classes for all of Flake8."""
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class Flake8Exception(Exception):
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"""Plain Flake8 exception."""
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pass
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class FailedToLoadPlugin(Flake8Exception):
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"""Exception raised when a plugin fails to load."""
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FORMAT = 'Flake8 failed to load plugin "%(name)s" due to %(exc)s.'
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def __init__(self, *args, **kwargs):
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"""Initialize our FailedToLoadPlugin exception."""
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self.plugin = kwargs.pop('plugin')
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self.ep_name = self.plugin.name
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self.original_exception = kwargs.pop('exception')
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super(FailedToLoadPlugin, self).__init__(*args, **kwargs)
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def __str__(self):
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"""Return a nice string for our exception."""
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return self.FORMAT % {'name': self.ep_name,
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'exc': self.original_exception}
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class InvalidSyntax(Flake8Exception):
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"""Exception raised when tokenizing a file fails."""
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def __init__(self, *args, **kwargs):
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"""Initialize our InvalidSyntax exception."""
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self.original_exception = kwargs.pop('exception')
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self.error_code = 'E902'
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self.line_number = 1
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self.column_number = 0
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try:
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self.error_message = self.original_exception.message
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except AttributeError:
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# On Python 3, the IOError is an OSError which has a
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# strerror attribute instead of a message attribute
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self.error_message = self.original_exception.strerror
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super(InvalidSyntax, self).__init__(*args, **kwargs)
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