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[utils] Introduce bool_or_none

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Sergey M․ 2017-09-10 19:08:39 +07:00
parent 48b813748d
commit c7e327c4d4
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youtube_dl/utils.py
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@ -1815,6 +1815,10 @@ def float_or_none(v, scale=1, invscale=1, default=None):
return default
def bool_or_none(v, default=None):
return v if isinstance(v, bool) else default
def strip_or_none(v):
return None if v is None else v.strip()