typedargs/metadata.py
def check_spec(self, pos_args, kwargs=None):
        """Check if there are any missing or duplicate arguments.

        Args:
            pos_args (list): A list of arguments that will be passed as positional
                arguments.
            kwargs (dict): A dictionary of the keyword arguments that will be passed.

        Returns:
            dict: A dictionary of argument name to argument value, pulled from either
                the value passed or the default value if no argument is passed.

        Raises:
            ArgumentError: If a positional or keyword argument does not fit in the spec.
            ValidationError: If an argument is passed twice.
        """

        if kwargs is None:
            kwargs = {}

        if self.varargs is not None or self.kwargs is not None:
            raise InternalError("check_spec cannot be called on a function that takes *args or **kwargs")

        missing = object()

        arg_vals = [missing]*len(self.arg_names)
        kw_indices = {name: i for i, name in enumerate(self.arg_names)}

        for i, arg in enumerate(pos_args):
            if i >= len(arg_vals):
                raise ArgumentError("Too many positional arguments, first excessive argument=%s" % str(arg))

            arg_vals[i] = arg

        for arg, val in kwargs.items():
            index = kw_indices.get(arg)
            if index is None:
                raise ArgumentError("Cannot find argument by name: %s" % arg)

            if arg_vals[index] is not missing:
                raise ValidationError("Argument %s passed twice" % arg)

            arg_vals[index] = val

        # Fill in any default variables if their args are missing
        if len(self.arg_defaults) > 0:
            for i in range(0, len(self.arg_defaults)):
                neg_index = -len(self.arg_defaults) + i
                if arg_vals[neg_index] is missing:
                    arg_vals[neg_index] = self.arg_defaults[i]

        # Now make sure there isn't a missing gap
        if missing in arg_vals:
            index = arg_vals.index(missing)
            raise ArgumentError("Missing a required argument (position: %d, name: %s)" % (index, self.arg_names[index]))

        return {name: val for name, val in zip(self.arg_names, arg_vals)}
def check_spec(self, pos_args, kwargs=None):
        if kwargs is None:
            kwargs = {}

        if self.varargs is not None or self.kwargs is not None:
            raise InternalError("check_spec cannot be called on a function that takes *args or **kwargs")

        missing = object()

        arg_vals = [missing]*len(self.arg_names)
        kw_indices = {name: i for i, name in enumerate(self.arg_names)}

        for i, arg in enumerate(pos_args):
            if i >= len(arg_vals):
                raise ArgumentError("Too many positional arguments, first excessive argument=%s" % str(arg))

            arg_vals[i] = arg

        for arg, val in kwargs.items():
            index = kw_indices.get(arg)
            if index is None:
                raise ArgumentError("Cannot find argument by name: %s" % arg)

            if arg_vals[index] is not missing:
                raise ValidationError("Argument %s passed twice" % arg)

            arg_vals[index] = val

        # Fill in any default variables if their args are missing
        if len(self.arg_defaults) > 0:
            for i in range(0, len(self.arg_defaults)):
                neg_index = -len(self.arg_defaults) + i
                if arg_vals[neg_index] is missing:
                    arg_vals[neg_index] = self.arg_defaults[i]

        # Now make sure there isn't a missing gap
        if missing in arg_vals:
            index = arg_vals.index(missing)
            raise ArgumentError("Missing a required argument (position: %d, name: %s)" % (index, self.arg_names[index]))

        return {name: val for name, val in zip(self.arg_names, arg_vals)}
def check_spec ( self , pos_args , kwargs = None ) : if kwargs is None : kwargs = { } if self . varargs is not None or self . kwargs is not None : raise InternalError ( "check_spec cannot be called on a function that takes *args or **kwargs" ) missing = object ( ) arg_vals = [ missing ] * len ( self . arg_names ) kw_indices = { name : i for i , name in enumerate ( self . arg_names ) } for i , arg in enumerate ( pos_args ) : if i >= len ( arg_vals ) : raise ArgumentError ( "Too many positional arguments, first excessive argument=%s" % str ( arg ) ) arg_vals [ i ] = arg for arg , val in kwargs . items ( ) : index = kw_indices . get ( arg ) if index is None : raise ArgumentError ( "Cannot find argument by name: %s" % arg ) if arg_vals [ index ] is not missing : raise ValidationError ( "Argument %s passed twice" % arg ) arg_vals [ index ] = val # Fill in any default variables if their args are missing if len ( self . arg_defaults ) > 0 : for i in range ( 0 , len ( self . arg_defaults ) ) : neg_index = - len ( self . arg_defaults ) + i if arg_vals [ neg_index ] is missing : arg_vals [ neg_index ] = self . arg_defaults [ i ] # Now make sure there isn't a missing gap if missing in arg_vals : index = arg_vals . index ( missing ) raise ArgumentError ( "Missing a required argument (position: %d, name: %s)" % ( index , self . arg_names [ index ] ) ) return { name : val for name , val in zip ( self . arg_names , arg_vals ) }
Check if there are any missing or duplicate arguments.

        Args:
            pos_args (list): A list of arguments that will be passed as positional
                arguments.
            kwargs (dict): A dictionary of the keyword arguments that will be passed.

        Returns:
            dict: A dictionary of argument name to argument value, pulled from either
                the value passed or the default value if no argument is passed.

        Raises:
            ArgumentError: If a positional or keyword argument does not fit in the spec.
            ValidationError: If an argument is passed twice.
Check if there are any missing or duplicate arguments .