from django.db.migrations.operations.base import Operation class TestOperation(Operation): def __init__(self): pass def deconstruct(self): return (self.__class__.__name__, [], {}) @property def reversible(self): return True def state_forwards(self, app_label, state): pass def database_forwards(self, app_label, schema_editor, from_state, to_state): pass def state_backwards(self, app_label, state): pass def database_backwards(self, app_label, schema_editor, from_state, to_state): pass