How to use the pywb.manager.manager.CollectionsManager function in pywb

def do_init(r):
        m = CollectionsManager(r.coll_name, must_exist=False)
        m.add_collection()

def do_index(r):
        m = CollectionsManager(r.coll_name)
        m.index_merge(r.files, m.DEF_INDEX_FILE)

def do_reindex(r):
        m = CollectionsManager(r.coll_name)
        m.reindex()

def do_add(r):
        m = CollectionsManager(r.coll_name)
        m.add_warcs(r.files)

def do_migrate(r):
        m = CollectionsManager('', must_exist=False)
        m.migrate_cdxj(r.path, r.force)

def do_add_template(r):
        m = CollectionsManager(r.coll_name, must_exist=False)
        if r.add:
            m.add_template(r.add, r.force)
        elif r.remove:
            m.remove_template(r.remove, r.force)
        elif r.list:
            m.list_templates()