Method parse_args

pex/bin/pex.py:783–811

(
        self,
        args=None,  # type: Optional[Sequence[str]]
        namespace=None,  # type: Optional[Namespace]
    )

    positional_option_name = attr.ib()  # type: str

    def parse_args(
        self,
        args=None,  # type: Optional[Sequence[str]]
        namespace=None,  # type: Optional[Namespace]
    ):
        # type: (...) -> Namespace

        options = self.parser.parse_args(args=args, namespace=namespace)

        extra_args = []
        positionals = []
        for positional in getattr(options, self.positional_option_name):
            if positional.startswith("@"):
                with open(positional[1:]) as fp:
                    extra_args.extend(fp.read().splitlines())
            else:
                positionals.append(positional)
        setattr(options, self.positional_option_name, positionals)

        if extra_args:
            extra_options = self.parser.parse_args(extra_args)
            for name, value in vars(extra_options).items():
                existing_value = getattr(options, name, None)
                if isinstance(existing_value, list) and value:
                    existing_value.extend(value)
                elif existing_value is None or value is not None:
                    setattr(options, name, value)

        return options


def configure_clp():