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19 lines
528 B
Python
19 lines
528 B
Python
#!/usr/bin/env python2
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# vim:fileencoding=utf-8
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from __future__ import absolute_import, division, print_function, unicode_literals
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__license__ = 'GPL v3'
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__copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
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class SelectorError(ValueError):
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"""Common parent for SelectorSyntaxError and ExpressionError"""
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class SelectorSyntaxError(SelectorError):
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"""Parsing a selector that does not match the grammar."""
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class ExpressionError(SelectorError):
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"""Unknown or unsupported selector (eg. pseudo-class)."""
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