Python inspect.Parameter.POSITIONAL_ONLY Examples

The following are 6 code examples of inspect.Parameter.POSITIONAL_ONLY(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module inspect.Parameter , or try the search function .
Example #1
Source File: compat.py    From easy_cache with MIT License 6 votes vote down vote up 
def getargspec(func):
        signature = inspect.signature(func)

        args = []
        varargs = None
        keywords = None
        defaults = []

        for param in signature.parameters.values():  # type: Parameter
            if param.kind == Parameter.VAR_POSITIONAL:
                varargs = param.name
            elif param.kind in (
                    Parameter.POSITIONAL_ONLY,
                    Parameter.KEYWORD_ONLY,
                    Parameter.POSITIONAL_OR_KEYWORD):
                args.append(param.name)
            elif param.kind == Parameter.VAR_KEYWORD:
                keywords = param.name

            # noinspection PyProtectedMember
            if param.default is not inspect._empty:
                defaults.append(param.default)

        return ArgSpec(args, varargs, keywords, tuple(defaults))
Example #2
Source File: signature.py    From mockito-python with MIT License 5 votes vote down vote up 
def positional_arguments(sig):
    return len([p for n, p in sig.parameters.items()
                if p.kind in (Parameter.POSITIONAL_ONLY,
                              Parameter.POSITIONAL_OR_KEYWORD)])
Example #3
Source File: proxy_method.py    From pydbus with GNU Lesser General Public License v2.1 5 votes vote down vote up 
def __init__(self, iface_name, method):
		self._iface_name = iface_name
		self.__name__ = method.attrib["name"]
		self.__qualname__ = self._iface_name + "." + self.__name__

		self._inargs  = [(arg.attrib.get("name", ""), arg.attrib["type"]) for arg in method if arg.tag == "arg" and arg.attrib.get("direction", "in") == "in"]
		self._outargs = [arg.attrib["type"] for arg in method if arg.tag == "arg" and arg.attrib.get("direction", "in") == "out"]
		self._sinargs  = "(" + "".join(x[1] for x in self._inargs) + ")"
		self._soutargs = "(" + "".join(self._outargs) + ")"

		self_param = Parameter("self", Parameter.POSITIONAL_ONLY)
		pos_params = []
		for i, a in enumerate(self._inargs):
			name = filter_identifier(a[0])

			if not name:
				name = "arg" + str(i)

			param = Parameter(name, Parameter.POSITIONAL_ONLY, annotation=a[1])

			pos_params.append(param)
		ret_type = Signature.empty if len(self._outargs) == 0 else self._outargs[0] if len(self._outargs) == 1 else "(" + ", ".join(self._outargs) + ")"

		self.__signature__ = DBUSSignature([self_param] + pos_params, return_annotation=ret_type)

		if put_signature_in_doc:
			self.__doc__ = self.__name__ + str(self.__signature__)
Example #4
Source File: signature.py    From ray with Apache License 2.0 5 votes vote down vote up 
def _convert_from_parameter_kind(kind):
    if kind == Parameter.POSITIONAL_ONLY:
        return 0
    if kind == Parameter.POSITIONAL_OR_KEYWORD:
        return 1
    if kind == Parameter.VAR_POSITIONAL:
        return 2
    if kind == Parameter.KEYWORD_ONLY:
        return 3
    if kind == Parameter.VAR_KEYWORD:
        return 4
Example #5
Source File: signature.py    From ray with Apache License 2.0 5 votes vote down vote up 
def _convert_to_parameter_kind(value):
    if value == 0:
        return Parameter.POSITIONAL_ONLY
    if value == 1:
        return Parameter.POSITIONAL_OR_KEYWORD
    if value == 2:
        return Parameter.VAR_POSITIONAL
    if value == 3:
        return Parameter.KEYWORD_ONLY
    if value == 4:
        return Parameter.VAR_KEYWORD
Example #6
Source File: debug.py    From PyDMXControl with GNU General Public License v3.0 4 votes vote down vote up 
def __callbacks_parameters(parameters: List[Parameter]) -> Tuple[list, dict]:
        # Given params
        ordered_params = []
        keyword_params = {}

        # Go through all params
        for param in parameters:
            # Basic param information
            has_default = (param.default != Parameter.empty)
            has_type = (param.annotation != Parameter.empty)
            param_type = str(param.annotation) if has_type else "Unknown"
            param_default = (", leave blank for default " + str(param.default)) if has_default else ""

            # Validate the parameter input
            given_param = False

            def valid(this):
                # Not started
                if this is None:
                    return False

                # Default?
                if this.strip() == "":
                    if has_default:
                        return param.default
                    return False

                # Normal
                try:
                    return param.annotation(this)
                except Exception:
                    return this

            # Get input
            while given_param is False:
                given_param = valid(input(
                    "[Callbacks Debug] Parameter '" + param.name + "' (expects " + param_type + param_default + "): "))

            # Add to return
            if param.kind == Parameter.POSITIONAL_ONLY:
                ordered_params.append(given_param)
            else:
                keyword_params[param.name] = given_param

        return ordered_params, keyword_params