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Support negative durations

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This commit is contained in:
Elyse
2023-03-10 15:20:40 -06:00
parent 9fc70f3f6d
commit e6e2eb00f1
3 changed files with 16 additions and 23 deletions
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17
yt_dlp/utils.py
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@@ -2667,16 +2667,19 @@ def parse_duration(s):
days, hours, mins, secs, ms = [None] * 5
m = re.match(r'''(?x)
(?P<sign>[+-])?
(?P<before_secs>
(?:(?:(?P<days>[0-9]+):)?(?P<hours>[0-9]+):)?(?P<mins>[0-9]+):)?
(?P<secs>(?(before_secs)[0-9]{1,2}|[0-9]+))
(?P<ms>[.:][0-9]+)?Z?$
''', s)
if m:
days, hours, mins, secs, ms = m.group('days', 'hours', 'mins', 'secs', 'ms')
sign, days, hours, mins, secs, ms = m.group('sign', 'days', 'hours', 'mins', 'secs', 'ms')
else:
m = re.match(
r'''(?ix)(?:P?
r'''(?ix)(?:
(?P<sign>[+-])?
P?
(?:
[0-9]+\s*y(?:ears?)?,?\s*
)?
@@ -2700,17 +2703,19 @@ def parse_duration(s):
(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*s(?:ec(?:ond)?s?)?\s*
)?Z?$''', s)
if m:
days, hours, mins, secs, ms = m.groups()
sign, days, hours, mins, secs, ms = m.groups()
else:
m = re.match(r'(?i)(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s)
m = re.match(r'(?i)(?P<sign>[+-])?(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s)
if m:
hours, mins = m.groups()
sign, hours, mins = m.groups()
else:
return None
sign = -1 if sign == '-' else 1
if ms:
ms = ms.replace(':', '.')
return sum(float(part or 0) * mult for part, mult in (
return sign * sum(float(part or 0) * mult for part, mult in (
(days, 86400), (hours, 3600), (mins, 60), (secs, 1), (ms, 1)))