protein_modification.py 文件源码

def __init__(self, identifier_parser=None):
        """
        :param IdentifierParser identifier_parser: An identifier parser for checking the 3P and 5P partners
        """
        self.identifier_parser = identifier_parser if identifier_parser is not None else IdentifierParser()

        pmod_default_ns = oneOf(list(pmod_namespace.keys())).setParseAction(self.handle_pmod_default_ns)
        pmod_legacy_ns = oneOf(list(pmod_legacy_labels.keys())).setParseAction(self.handle_pmod_legacy_ns)

        pmod_identifier = MatchFirst([
            Group(self.identifier_parser.identifier_qualified),
            Group(pmod_default_ns),
            Group(pmod_legacy_ns)
        ])

        self.language = pmod_tag + nest(pmod_identifier(IDENTIFIER) + Optional(
            WCW + amino_acid(PMOD_CODE) + Optional(WCW + ppc.integer(PMOD_POSITION))))

        super(PmodParser, self).__init__(self.language)