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21 lines
615 B
Python
21 lines
615 B
Python
3 years ago
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"""Converters for use as the type argument for arparse's add_argument method."""
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from __future__ import annotations
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import argparse
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import typing as t
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def key_value_type(value): # type: (str) -> t.Tuple[str, str]
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"""Wrapper around key_value."""
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return key_value(value)
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def key_value(value): # type: (str) -> t.Tuple[str, str]
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"""Type parsing and validation for argparse key/value pairs separated by an '=' character."""
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parts = value.split('=')
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if len(parts) != 2:
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raise argparse.ArgumentTypeError('"%s" must be in the format "key=value"' % value)
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return parts[0], parts[1]
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