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make utils.from_pretty_time() format much stricter

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This commit is contained in:
jesopo 2019-09-04 11:22:56 +01:00
parent 786117b998
commit 007bb78d30
1 changed files with 11 additions and 12 deletions
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23
src/utils/__init__.py
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@ -63,7 +63,8 @@ def time_unit(seconds: int) -> typing.Tuple[int, str]:
unit = "%ss" % unit # pluralise the unit
return (since, unit)
REGEX_PRETTYTIME = re.compile("\d+[wdhms]", re.I)
REGEX_PRETTYTIME = re.compile(
r"(?:(\d+)w)?(?:(\d+)d)?(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s)?", re.I)
SECONDS_MINUTES = 60
SECONDS_HOURS = SECONDS_MINUTES*60
@ -72,17 +73,15 @@ SECONDS_WEEKS = SECONDS_DAYS*7
def from_pretty_time(pretty_time: str) -> typing.Optional[int]:
seconds = 0
for match in re.findall(REGEX_PRETTYTIME, pretty_time):
number, unit = int(match[:-1]), match[-1].lower()
if unit == "m":
number = number*SECONDS_MINUTES
elif unit == "h":
number = number*SECONDS_HOURS
elif unit == "d":
number = number*SECONDS_DAYS
elif unit == "w":
number = number*SECONDS_WEEKS
seconds += number
match = re.match(REGEX_PRETTYTIME, pretty_time)
if match:
seconds += int(match.group(1) or 0)*SECONDS_WEEKS
seconds += int(match.group(2) or 0)*SECONDS_DAYS
seconds += int(match.group(3) or 0)*SECONDS_HOURS
seconds += int(match.group(4) or 0)*SECONDS_MINUTES
seconds += int(match.group(5) or 0)
if seconds > 0:
return seconds
return None