Plugin Example

import openpaperwork_core

class Plugin(
    openpaperwork_core.PluginBase,
    InterfaceToto,
    InterfaceTutu,
):
    # callbacks will always be run before those of priority <= 21
    # but after those of priority >= 23
    PRIORITY = 22

    @classmethod
    def get_deps(cls):
        # specify that we are looking for plugins implementing the
        # specified interface(s).
        # Provide also some default plugins to load if no plugins provide
        # the requested interface yet.
        # Note that plugins may be loaded in any order. Dependencies may
        # not be satisfied yet when they are loaded.
        # When initializing plugins, the core will make sure that
        # all dependencies are satisfied, loaded and initialized before
        # calling the method `init()` of this plugin.
        return [
            openpaperwork_core.Dependency(
                interface=InterfaceA,
                defaults=[
                    'suggested_default_plugin_a',
                    'suggested_default_plugin_b',
                ],
            ),
            openpaperwork_core.Dependency(
               interface=InterfaceB,
                defaults=[
                    'suggested_default_plugin_d',
                    'suggested_default_plugin_e',
                ],
            )
        ]

    def __init__(self, core):
        super().__init__(core)
        # all the dependencies have loaded and initialized.
        # we can safely rely on them here.

    def some_method_a(self, arg_a):
        # do something
        self.core.call_all(InterfaceA.some_method_of_other_plugins, "arg_a", 22)