14 lines
507 B
Python
14 lines
507 B
Python
def strtobool(val):
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"""Convert a string representation of truth to true (1) or false (0).
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True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
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are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if
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'val' is anything else.
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"""
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val = val.lower()
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if val in ("y", "yes", "t", "true", "on", "1"):
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return 1
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elif val in ("n", "no", "f", "false", "off", "0"):
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return 0
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else:
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raise ValueError("invalid truth value %r" % (val,))
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