FM / pytz

/usr/lib/python3/dist-packages/pytz

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
exceptions.py	1329	0644	edit dl rm
lazy.py	5404	0644	edit dl rm
reference.py	3778	0644	edit dl rm
tzfile.py	4787	0644	edit dl rm
tzinfo.py	19272	0644	edit dl rm
__init__.py	34754	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/pytz/exceptions.py (1329B)

'''
Custom exceptions raised by pytz.
'''

__all__ = [
    'UnknownTimeZoneError', 'InvalidTimeError', 'AmbiguousTimeError',
    'NonExistentTimeError',
]

class UnknownTimeZoneError(KeyError):
    '''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
    '''
    pass

class InvalidTimeError(Exception):
    '''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.
    '''

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