Python pyparsing.SkipTo() Examples

def _parse_duplicate(self, line: str) -> Optional[int]:
        if not self._is_support_packet_duplicate:
            return None

        packet_pattern = (
            pp.SkipTo(pp.Word("+" + pp.nums) + pp.Literal("duplicates,"))
            + pp.Word("+" + pp.nums)
            + pp.Literal("duplicates,")
        )

        try:
            duplicate_parse_list = packet_pattern.parseString(_to_unicode(line))
        except pp.ParseException:
            return 0

        return int(duplicate_parse_list[-2].strip("+")) 

def _preprocessor_directive(self):
        return (_SHARP.suppress()
                + _PREPROCESSOR_KEYWORD
                + pyparsing.SkipTo(pyparsing.lineEnd)) 

def _struct_definition():
    return (
        (_STRUCT.setResultsName("type") | _UNION.setResultsName("type"))
        + _IDENTIFIER.setResultsName("name")
        + parsers.anything_in_curly()
        + pyparsing.SkipTo(_SEMICOLON)
        + _SEMICOLON
    ).setResultsName("_struct_definition") 

def _struct_typedef():
    return (
        _TYPEDEF
        + (_STRUCT.setResultsName("type") | _UNION.setResultsName("type"))
        + pyparsing.Optional(_IDENTIFIER).setResultsName("id")
        + parsers.anything_in_curly()
        + pyparsing.Optional(_STAR)
        + _IDENTIFIER.setResultsName("typedef_name")
        + pyparsing.SkipTo(_SEMICOLON)
        + _SEMICOLON
    ).setResultsName("_struct_typedef") 

def _simple_typedef():
    return (
        _TYPEDEF
        + pyparsing.SkipTo(_SEMICOLON)
        + _SEMICOLON
    ).setResultsName("_simple_typedef") 

def _enum_definition(self):
        """Detect an enum definition.

        e.g.
             enum foo {
                OPTION_1: 1 + 2,
                OPTION_2
             }
        """
        return (
            _ENUM
            + pyparsing.Optional(self._identifier())("enum_name")
            + _OPEN_CURLY
            + pyparsing.ZeroOrMore(
                pyparsing.Group(
                    self._identifier()("name")
                    + pyparsing.Optional(
                        _EQUALS
                        # This allows us to get even invalid expressions.
                        + pyparsing.SkipTo(pyparsing.Word(",}"))("expression")
                    )
                    + pyparsing.Optional(_COMMA)
                )
            )("fields")
            + _CLOSE_CURLY
            + self._maybe_attributes()("attributes")
        ).setParseAction(self._process_enum_definition) 

def condition_section():
    return (_IDENTIFIER +
            _COLON +
            pyparsing.SkipTo(_RIGHT_CURLY).setResultsName("statement")
    ).setResultsName("condition") 

def __parse_netem_delay_distro(self, line):
        parse_param_name = "delay"
        pattern = (
            pp.SkipTo(parse_param_name, include=True)
            + pp.Word(pp.nums + ".msu")
            + pp.Word(pp.nums + ".msu")
        )

        try:
            parsed_list = pattern.parseString(line)
            self.__parsed_param[parse_param_name] = parsed_list[2]
            self.__parsed_param["delay-distro"] = parsed_list[3]
        except pp.ParseException:
            pass 

def __parse_netem_param(self, line, parse_param_name, word_pattern, key_name=None):
        pattern = pp.SkipTo(parse_param_name, include=True) + pp.Word(word_pattern)
        if not key_name:
            key_name = parse_param_name

        try:
            result = pattern.parseString(line)[-1]
            if typepy.is_not_null_string(result):
                self.__parsed_param[key_name] = result
        except pp.ParseException:
            pass 

def __parse_bandwidth_rate(self, line):
        parse_param_name = "rate"
        pattern = pp.SkipTo(parse_param_name, include=True) + pp.Word(pp.alphanums + "." + ":")

        try:
            result = pattern.parseString(line)[-1]
            if typepy.is_not_null_string(result):
                result = result.rstrip("bit")
                self.__parsed_param[parse_param_name] = result
        except pp.ParseException:
            pass 

def __parse_tc_filter_network(text):
        network_pattern = pp.SkipTo("{:s}=".format(Tc.Param.DST_NETWORK), include=True) + pp.Word(
            pp.alphanums + "." + "/"
        )

        return network_pattern.parseString(text)[-1] 

def __parse_tc_filter_src_port(text):
        port_pattern = pp.SkipTo("{:s}=".format(Tc.Param.SRC_PORT), include=True) + pp.Word(pp.nums)

        return port_pattern.parseString(text)[-1] 

def _parse_duplicate(self, line: str) -> int:
        packet_pattern = (
            pp.SkipTo(pp.Word(pp.nums) + pp.Literal("duplicates,"))
            + pp.Word(pp.nums)
            + pp.Literal("duplicates,")
        )
        try:
            duplicate_parse_list = packet_pattern.parseString(_to_unicode(line))
        except pp.ParseException:
            return 0

        return int(duplicate_parse_list[-2])