X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=pyderasn.py;h=5bb41ca944c0212b9a1e84b81566a6b9309ed834;hb=6acd105f1f2e0e4ce6dc93a56313aa7d2a05ecd4;hp=cf4f22595ab7a4b57a171e9f770aba2b2ff1df34;hpb=b03991f8fe17ab0e450400286374285b11105db5;p=pyderasn.git diff --git a/pyderasn.py b/pyderasn.py index cf4f225..5bb41ca 100755 --- a/pyderasn.py +++ b/pyderasn.py @@ -1,12 +1,11 @@ #!/usr/bin/env python # coding: utf-8 # PyDERASN -- Python ASN.1 DER/BER codec with abstract structures -# Copyright (C) 2017-2019 Sergey Matveev +# Copyright (C) 2017-2020 Sergey Matveev # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. +# published by the Free Software Foundation, version 3 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -14,8 +13,7 @@ # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public -# License along with this program. If not, see -# . +# License along with this program. If not, see . """Python ASN.1 DER/BER codec with abstract structures This library allows you to marshal various structures in ASN.1 DER @@ -348,6 +346,8 @@ DEFINED BY some previously met ObjectIdentifier. This library provides ability to specify mapping between some OID and field that must be decoded with specific specification. +.. _defines: + defines kwarg _____________ @@ -421,15 +421,15 @@ value must be sequence of following tuples:: where ``decode_path`` is a tuple holding so-called decode path to the exact :py:class:`pyderasn.ObjectIdentifier` field you want to apply -``defines``, holding exactly the same value as accepted in its keyword -argument. +``defines``, holding exactly the same value as accepted in its +:ref:`keyword argument `. For example, again for CMS, you want to automatically decode ``SignedData`` and CMC's (:rfc:`5272`) ``PKIData`` and ``PKIResponse`` structures it may hold. Also, automatically decode ``controlSequence`` of ``PKIResponse``:: - content_info, tail = ContentInfo().decode(data, defines_by_path=( + content_info, tail = ContentInfo().decode(data, ctx={"defines_by_path": ( ( ("contentType",), ((("content",), {id_signedData: SignedData()}),), @@ -464,7 +464,7 @@ of ``PKIResponse``:: id_cmc_transactionId: TransactionId(), })), ), - )) + )}) Pay attention for :py:class:`pyderasn.DecodePathDefBy` and ``any``. First function is useful for path construction when some automatic @@ -670,7 +670,7 @@ from six.moves import xrange as six_xrange try: from termcolor import colored except ImportError: # pragma: no cover - def colored(what, *args): + def colored(what, *args, **kwargs): return what @@ -4885,8 +4885,8 @@ class Sequence(Obj): ctx=ctx, _ctx_immutable=False, ) - except TagMismatch: - if spec.optional: + except TagMismatch as err: + if (len(err.decode_path) == len(decode_path) + 1) and spec.optional: continue raise