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?? ..
?? __init__.py(59 B)
?? __pycache__
?? base.py(21.53 KB)
?? char.py(9.22 KB)
?? constraint.py(21.4 KB)
?? error.py(259 B)
?? namedtype.py(15.8 KB)
?? namedval.py(4.78 KB)
?? opentype.py(2.79 KB)
?? tag.py(9.27 KB)
?? tagmap.py(2.93 KB)
?? univ.py(106.65 KB)
?? useful.py(5.16 KB)

Editing: useful.py

#
# This file is part of pyasn1 software.
#
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
# License: https://pyasn1.readthedocs.io/en/latest/license.html
#
import datetime

from pyasn1 import error
from pyasn1.type import char
from pyasn1.type import tag
from pyasn1.type import univ

__all__ = ['ObjectDescriptor', 'GeneralizedTime', 'UTCTime']

NoValue = univ.NoValue
noValue = univ.noValue

class ObjectDescriptor(char.GraphicString):
    __doc__ = char.GraphicString.__doc__

#: Default :py:class:`~pyasn1.type.tag.TagSet` object for |ASN.1| objects
    tagSet = char.GraphicString.tagSet.tagImplicitly(
        tag.Tag(tag.tagClassUniversal, tag.tagFormatSimple, 7)
    )

# Optimization for faster codec lookup
    typeId = char.GraphicString.getTypeId()

class TimeMixIn(object):

_yearsDigits = 4
    _hasSubsecond = False
    _optionalMinutes = False
    _shortTZ = False

class FixedOffset(datetime.tzinfo):
        """Fixed offset in minutes east from UTC."""

# defaulted arguments required
        # https: // docs.python.org / 2.3 / lib / datetime - tzinfo.html
        def __init__(self, offset=0, name='UTC'):
            self.__offset = datetime.timedelta(minutes=offset)
            self.__name = name

def utcoffset(self, dt):
            return self.__offset

def tzname(self, dt):
            return self.__name

def dst(self, dt):
            return datetime.timedelta(0)

UTC = FixedOffset()

@property
    def asDateTime(self):
        """Create :py:class:`datetime.datetime` object from a |ASN.1| object.

Returns
        -------
        :
            new instance of :py:class:`datetime.datetime` object
        """
        text = str(self)
        if text.endswith('Z'):
            tzinfo = TimeMixIn.UTC
            text = text[:-1]

elif '-' in text or '+' in text:
            if '+' in text:
                text, plusminus, tz = text.partition('+')
            else:
                text, plusminus, tz = text.partition('-')

if self._shortTZ and len(tz) == 2:
                tz += '00'

if len(tz) != 4:
                raise error.PyAsn1Error('malformed time zone offset %s' % tz)

try:
                minutes = int(tz[:2]) * 60 + int(tz[2:])
                if plusminus == '-':
                    minutes *= -1

except ValueError:
                raise error.PyAsn1Error('unknown time specification %s' % self)

tzinfo = TimeMixIn.FixedOffset(minutes, '?')

else:
            tzinfo = None

if '.' in text or ',' in text:
            if '.' in text:
                text, _, ms = text.partition('.')
            else:
                text, _, ms = text.partition(',')

try:
                ms = int(ms) * 1000

except ValueError:
                raise error.PyAsn1Error('bad sub-second time specification %s' % self)

else:
            ms = 0

if self._optionalMinutes and len(text) - self._yearsDigits == 6:
            text += '0000'
        elif len(text) - self._yearsDigits == 8:
            text += '00'

try:
            dt = datetime.datetime.strptime(text, self._yearsDigits == 4 and '%Y%m%d%H%M%S' or '%y%m%d%H%M%S')

except ValueError:
            raise error.PyAsn1Error('malformed datetime format %s' % self)

return dt.replace(microsecond=ms, tzinfo=tzinfo)

@classmethod
    def fromDateTime(cls, dt):
        """Create |ASN.1| object from a :py:class:`datetime.datetime` object.

Parameters
        ----------
        dt: :py:class:`datetime.datetime` object
            The `datetime.datetime` object to initialize the |ASN.1| object
            from

Returns
        -------
        :
            new instance of |ASN.1| value
        """
        text = dt.strftime(cls._yearsDigits == 4 and '%Y%m%d%H%M%S' or '%y%m%d%H%M%S')
        if cls._hasSubsecond:
            text += '.%d' % (dt.microsecond // 1000)

if dt.utcoffset():
            seconds = dt.utcoffset().seconds
            if seconds < 0:
                text += '-'
            else:
                text += '+'
            text += '%.2d%.2d' % (seconds // 3600, seconds % 3600)
        else:
            text += 'Z'

return cls(text)

class GeneralizedTime(char.VisibleString, TimeMixIn):
    __doc__ = char.VisibleString.__doc__

#: Default :py:class:`~pyasn1.type.tag.TagSet` object for |ASN.1| objects
    tagSet = char.VisibleString.tagSet.tagImplicitly(
        tag.Tag(tag.tagClassUniversal, tag.tagFormatSimple, 24)
    )

# Optimization for faster codec lookup
    typeId = char.VideotexString.getTypeId()

_yearsDigits = 4
    _hasSubsecond = True
    _optionalMinutes = True
    _shortTZ = True

class UTCTime(char.VisibleString, TimeMixIn):
    __doc__ = char.VisibleString.__doc__

#: Default :py:class:`~pyasn1.type.tag.TagSet` object for |ASN.1| objects
    tagSet = char.VisibleString.tagSet.tagImplicitly(
        tag.Tag(tag.tagClassUniversal, tag.tagFormatSimple, 23)
    )

# Optimization for faster codec lookup
    typeId = char.VideotexString.getTypeId()

_yearsDigits = 2
    _hasSubsecond = False
    _optionalMinutes = False
    _shortTZ = False

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