How to use the continuum.Continuum function in continuum

from idc import *
from idautils import *

sys.path.append(
    os.path.join(
        os.path.dirname(os.path.realpath(__file__)),
        '..',
    )
)

from continuum import Continuum
from continuum.project import Project

# Connect to server instance.
proj = Project()
cont = Continuum()
proj.open(Project.find_project_dir(GetIdbDir()), skip_analysis=True)
cont.open_project(proj)

# Wait for auto-analysis to complete.
SetShortPrm(INF_AF2, GetShortPrm(INF_AF2) | AF2_DODATA)
print("Analyzing input file ...")
cont.client.send_analysis_state('auto-analysis')
Wait()

# Index types.
print("Indexing types ...")
cont.client.send_analysis_state('indexing-types')
proj.index.index_types_for_this_idb()

# Index symbols.
print("Indexing symbols ...")

def init(self):
        """init callback, invoked by IDA when the plugin is loaded."""
        self.core = Continuum()
        zelf = self

        # Place UI hook so we know when to create our UI stuff.
        class UiHooks(idaapi.UI_Hooks):
            def ready_to_run(self, *_):
                zelf.ui_init()
                zelf.ui_hook.unhook()

        self.ui_hook = UiHooks()
        self.ui_hook.hook()

        # Setup IDP hook for type changes.
        class IdbHooks(idaapi.IDB_Hooks):
            def local_types_changed(self, *args):
                if zelf.core.client and not zelf.core.project.ignore_changes:
                    zelf.core.project.index.index_types_for_this_idb(purge_locally_deleted=True)