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from abc import abstractmethod, ABCMeta
from typing import Any, Dict, Tuple

from libqtile.command_graph import CommandGraphCall


class EagerCommandInterface(metaclass=ABCMeta):
    """
    Defines an interface which can be used to eagerly evaluate a given call on
    a command graph.  The implementations of this may use an IPC call to access
    the running qtile instance remotely, or directly access the qtile instance
    from within the same process.
    """

    @abstractmethod
    def execute(self, call: CommandGraphCall, args: Tuple, kwargs: Dict) -> Any:
        """Execute the given call, returning the result of the execution

        Perform the given command graph call, calling the function with the
        given arguments and keyword arguments.

        Parameters
        ----------
        call: CommandGraphCall
            The call on the command graph that is to be performed.
        args:
            The arguments to pass into the command graph call.
        kwargs:
            The keyword arguments to pass into the command graph call.
        """
        pass  # pragma: no cover

Add an interface for eagerly evaluating command graph elements
Add an interface for eagerly evaluating command graph elements

Setup a new interface that evaluates commands on the command graph as
they are issued.  This is roughly the interface of the current Client.
