Clear service messages for a period

[evgfilim1]

.clearsvcs [period] — Clear service messages for a period.

period can be a timedelta (e.g. "1d3h") or a time string (e.g. "12:30" or "2022-12-31_23:59").
If period is not specified, assume "1d"

userbot/userbot/utils.py

Lines 109 to 117 in 4bfb02f

	def parse_timespec(now: datetime, timespec: str) -> datetime:
	"""Parse a time specification and return target datetime.
	The time specification is a string of the form:
	– HH:MM
	– YYYY-MM-DD_HH:MM
	– N[smhdwy]
	– N[smhdwy]N[smhdwy]...
	"""