from importlib.metadata import entry_points
from typing import Any


def load_plugin(plugin_group: str, name: str) -> Any:
    """Loads plugin using entry point specification.

    Args:
        plugin_group: Name of plugin group that contains the plugin.
        name: Name of the plugin in the group.

    Returns:
        Plugin class if the plugin was found; otherwise returns None.
    """
    plugins = entry_points(group=plugin_group)
    if name not in plugins.names:
        return None
    plugin = plugins[name]
    return plugin.load()


def load_all(group: str) -> Any:
    """Loads all plugins using entry point specification.

    Args:
        group: Name of plugin group.

    Returns:
        Classes from specified group.
    """
    plugins = entry_points(group=group)
    return [plugin.load() for plugin in plugins]