django_evolution.mutations.rename_app_label

Mutation that renames the app label for an application.

New in version 2.2.

Classes

RenameAppLabel(old_app_label, new_app_label)

A mutation that renames the app label for an application.

class django_evolution.mutations.rename_app_label.RenameAppLabel(old_app_label, new_app_label, legacy_app_label=None, model_names=None)

Bases: BaseMutation

A mutation that renames the app label for an application.

Changed in version 2.2: Moved into the django_evolution.mutations.rename_app_label module.

__init__(old_app_label, new_app_label, legacy_app_label=None, model_names=None)

get_hint_params()

Return parameters for the mutation’s hinted evolution.

Returns:

A list of parameter strings to pass to the mutation’s constructor in a hinted evolution.

Return type:

list of unicode

is_mutable(app_label, project_sig, database_state, database)

Return whether the mutation can be applied to the database.

Parameters:

• app_label (unicode) – The label for the Django application to be mutated.

• project_sig (dict, unused) – The project’s schema signature.

• database_state (django_evolution.db.state.DatabaseState, unused) – The database state.

• database (unicode) – The name of the database the operation would be performed on.

Returns:

True if the mutation can run. False if it cannot.

Return type:

bool

simulate(simulation)

Simulate the mutation.

This will alter the signature to make any changes needed for the application’s evolution storage.

mutate(mutator)

Schedule an app mutation on the mutator.

This will inform the mutator of the new app label, for use in any future operations.

Parameters:

mutator (django_evolution.mutators.AppMutator) – The mutator to perform an operation on.