def is_definitely(self, obj: Any) -> bool:
if isinstance(obj, str) and 14 <= len(obj) <= 26:
if is_numberish(obj):
# Numbers aren't dates!
return False
try:
parser.isoparse(obj)
return True
except (parser.ParserError, TypeError, ValueError):
pass
return False
else:
return isinstance(obj, datetime)
def is_maybe(self, obj: Any) -> bool:
if isinstance(obj, time):
return True
if is_numberish(obj):
# Numbers aren't times!
return False
if not isinstance(obj, str):
obj = str(obj)
try:
# We use ancient date as default to detect when only time was found
# Will fail if trying to parse actual ancient dates!
dt = parser.parse(obj, default=datetime(1, 1, 1))
if dt.year < 2:
# dateutil parser found just a time
return True
except Exception:
return False
return False
def is_maybe(self, obj: Any) -> bool:
if isinstance(obj, datetime):
return True
if isinstance(obj, time):
return False
if is_numberish(obj):
# Numbers aren't datetimes!
return False
if not isinstance(obj, str):
obj = str(obj)
try:
dt = parser.parse(obj, default=datetime(1, 1, 1))
if dt.year < 2:
# dateutil parser only found a time, not a date
return False
except (parser.ParserError, TypeError, ValueError):
return False
return True