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1 comment:

• Patchset:

  • Patch Set #5:

    (Slight counter argument: This is not a map to the binary representation. […]

    as far as I know the compiled asn1 representation loses the schema information/name, so you would need to access the schema instead. a somewhat concise way would be something like this, by getting the schema as well in compile_asn1_subdir and then working with the schema dict. this would basically leave the compiled asn1 alone and would not interfere with anything else:

        def compile_asn1_subdir(subdir_name:str, codec='der'):
            """Helper function that compiles ASN.1 syntax from all files within given subdir"""
            import asn1tools
            asn_txt = ''
            __ver = sys.version_info
            if (__ver.major, __ver.minor) >= (3, 9):
                for i in resources.files('pySim.esim').joinpath('asn1').joinpath(subdir_name).iterdir():
                    asn_txt += i.read_text()
                    asn_txt += "\n"
            #else:
                #print(resources.read_text(__name__, 'asn1/rsp.asn'))
            asn1_schema = asn1tools.parse_string(asn_txt, codec=codec)
            return asn1tools.compile_dict(asn1_schema, codec='ber'), asn1_schema

    
    in saip/__init__.py

        asn1, asn1_schema = compile_asn1_subdir('saip') # or asn, _ = compile_asn1_subdir(...) if schema not needed

    somewhere else

        from pySim.esim.saip import asn1_schema as saip_schema
        print(saip_schema['PEDefinitions']['types']['AlgoParameter']['members'][0]['named-numbers'])
        # {'milenage': 1, 'tuak': 2, 'usim-test-algorithm': 3}

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