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Engine for LaTeX songbooks
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36 lines
856 B
36 lines
856 B
"""Errors in song definition (syntax errors, and so on)"""
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class SongError:
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"""Generic song error"""
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# pylint: disable=too-few-public-methods
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type = "generic"
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def __init__(self, message):
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self.message = message
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def __str__(self):
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raise NotImplementedError()
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class SongSyntaxError(SongError):
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"""Syntax error"""
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# pylint: disable=too-few-public-methods
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type = "syntax"
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def __init__(self, line, message):
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super().__init__(message)
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#: Line of error. May be `None` if irrelevant.
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self.line = line
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def __str__(self):
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if self.line is not None:
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return "Line {}: {}".format(self.line, self.message)
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else:
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return self.message
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# class FileError(SongError):
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# type = "file"
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#
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# class LanguageError(SongError):
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# type = "language"
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