Signals overview

Startup signals:

• post_syncdb

• pre_analyze

• post_analyze

• pre_startup

• post_startup

• database_connected Database connection is opened. The database is not guaranteed to be initialized.

• database_ready: Fired when database initialized and all fixtures have been loaded.

• pre_ui_build

• post_ui_build

Test-specific signals:

• testcase_setup Fired in lino.utils.djangotest.TestCase.setUp(), i.e. at the beginning of each test case.

Runtime signals:

• auto_create

• pre_add_child

• pre_remove_child

• pre_merge

• pre_ui_create

• pre_ui_update

• pre_ui_delete

Utilities:

• ChangeWatcher

• receiver : the standard Django receiver decorator

lino.ui.models also defines a handler which will fire the database_connected signal and call the lino.ui.site.clear_site_config() method on each of the following signals:

• testcase_setup

• connection_created

• post_syncdb