38 lines
1022 B
Python
38 lines
1022 B
Python
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# (c) 2005 Ian Bicking and contributors; written for Paste (http://pythonpaste.org)
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# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
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truthy = frozenset(['true', 'yes', 'on', 'y', 't', '1'])
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falsy = frozenset(['false', 'no', 'off', 'n', 'f', '0'])
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def asbool(obj):
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if isinstance(obj, str):
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obj = obj.strip().lower()
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if obj in truthy:
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return True
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elif obj in falsy:
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return False
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else:
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raise ValueError("String is not true/false: %r" % obj)
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return bool(obj)
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def asint(obj):
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try:
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return int(obj)
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except (TypeError, ValueError):
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raise ValueError("Bad integer value: %r" % obj)
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def aslist(obj, sep=None, strip=True):
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if isinstance(obj, str):
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lst = obj.split(sep)
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if strip:
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lst = [v.strip() for v in lst]
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return lst
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elif isinstance(obj, (list, tuple)):
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return obj
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elif obj is None:
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return []
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else:
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return [obj]
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