X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pyderasn.py;h=82021efab0391507dfda7e3d53402d71850cc037;hb=c6cf876ed3979538eeb0f0df60512c3feedb4715;hp=4a3692795c3974b760b1a20fd9971c05308c078a;hpb=6e7c396eadd0193a18870650b6c23abbacea1591;p=pyderasn.git

diff --git a/pyderasn.py b/pyderasn.py
index 4a36927..82021ef 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -1159,8 +1159,6 @@ Now you can print only the specified tree, for example signature algorithm::
 """
 
 from array import array
-from codecs import getdecoder
-from codecs import getencoder
 from collections import namedtuple
 from collections import OrderedDict
 from copy import copy
@@ -1182,7 +1180,13 @@ except ImportError:  # pragma: no cover
     def colored(what, *args, **kwargs):
         return what
 
-__version__ = "9.0"
+try:
+    from dateutil.tz import tzutc
+except ImportError:  # pragma: no cover
+    tzutc = None
+
+
+__version__ = "9.1"
 
 __all__ = (
     "agg_octet_string",
@@ -1441,20 +1445,16 @@ class BoundsError(ASN1Error):
 # Basic coders
 ########################################################################
 
-_hexdecoder = getdecoder("hex")
-_hexencoder = getencoder("hex")
-
-
 def hexdec(data):
     """Binary data to hexadecimal string convert
     """
-    return _hexdecoder(data)[0]
+    return bytes.fromhex(data)
 
 
 def hexenc(data):
     """Hexadecimal string to binary data convert
     """
-    return _hexencoder(data)[0].decode("ascii")
+    return data.hex()
 
 
 def int_bytes_len(num, byte_len=8):
@@ -5247,6 +5247,13 @@ class UTCTime(VisibleString):
     def todatetime(self):
         return self._value
 
+    def totzdatetime(self):
+        if tzutc is None:
+            raise NotImplementedError(
+                "Package python-dateutil is required to use this feature",
+            )
+        return self._value.replace(tzinfo=tzutc())
+
     def __repr__(self):
         return pp_console_row(next(self.pps()))
 
@@ -6107,7 +6114,7 @@ SequenceState = namedtuple(
 )
 
 
-class SequenceEncode1stMixing:
+class SequenceEncode1stMixin:
     __slots__ = ()
 
     def _encode1st(self, state):
@@ -6121,7 +6128,7 @@ class SequenceEncode1stMixing:
         return len(self.tag) + len_size(vlen) + vlen, state
 
 
-class Sequence(SequenceEncode1stMixing, Obj):
+class Sequence(SequenceEncode1stMixin, Obj):
     """``SEQUENCE`` structure type
 
     You have to make specification of sequence::
@@ -6619,7 +6626,7 @@ class Sequence(SequenceEncode1stMixing, Obj):
             yield pp
 
 
-class Set(Sequence, SequenceEncode1stMixing):
+class Set(Sequence, SequenceEncode1stMixin):
     """``SET`` structure type
 
     Its usage is identical to :py:class:`pyderasn.Sequence`.
@@ -6822,7 +6829,7 @@ SequenceOfState = namedtuple(
 )
 
 
-class SequenceOf(SequenceEncode1stMixing, Obj):
+class SequenceOf(SequenceEncode1stMixin, Obj):
     """``SEQUENCE OF`` sequence type
 
     For that kind of type you must specify the object it will carry on