Varia's website
https://varia.zone
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.5 KiB
60 lines
1.5 KiB
2 weeks ago
|
'''
|
||
|
|
Custom exceptions raised by pytz.
|
||
|
|
'''
|
||
|
|
|
||
|
|
__all__ = [
|
||
|
|
'UnknownTimeZoneError', 'InvalidTimeError', 'AmbiguousTimeError',
|
||
|
|
'NonExistentTimeError',
|
||
|
|
]
|
||
|
|
|
||
|
|
|
||
|
|
class Error(Exception):
|
||
|
|
'''Base class for all exceptions raised by the pytz library'''
|
||
|
|
|
||
|
|
|
||
|
|
class UnknownTimeZoneError(KeyError, Error):
|
||
|
|
'''Exception raised when pytz is passed an unknown timezone.
|
||
|
|
|
||
|
|
>>> isinstance(UnknownTimeZoneError(), LookupError)
|
||
|
|
True
|
||
|
|
|
||
|
|
This class is actually a subclass of KeyError to provide backwards
|
||
|
|
compatibility with code relying on the undocumented behavior of earlier
|
||
|
|
pytz releases.
|
||
|
|
|
||
|
|
>>> isinstance(UnknownTimeZoneError(), KeyError)
|
||
|
|
True
|
||
|
|
|
||
|
|
And also a subclass of pytz.exceptions.Error, as are other pytz
|
||
|
|
exceptions.
|
||
|
|
|
||
|
|
>>> isinstance(UnknownTimeZoneError(), Error)
|
||
|
|
True
|
||
|
|
|
||
|
|
'''
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class InvalidTimeError(Error):
|
||
|
|
'''Base class for invalid time exceptions.'''
|
||
|
|
|
||
|
|
|
||
|
|
class AmbiguousTimeError(InvalidTimeError):
|
||
|
|
'''Exception raised when attempting to create an ambiguous wallclock time.
|
||
|
|
|
||
|
|
At the end of a DST transition period, a particular wallclock time will
|
||
|
|
occur twice (once before the clocks are set back, once after). Both
|
||
|
|
possibilities may be correct, unless further information is supplied.
|
||
|
|
|
||
|
|
See DstTzInfo.normalize() for more info
|
||
|
|
'''
|
||
|
|
|
||
|
|
|
||
|
|
class NonExistentTimeError(InvalidTimeError):
|
||
|
|
'''Exception raised when attempting to create a wallclock time that
|
||
|
|
cannot exist.
|
||
|
|
|
||
|
|
At the start of a DST transition period, the wallclock time jumps forward.
|
||
|
|
The instants jumped over never occur.
|
||
|
|
'''
|