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path: root/tests/custom_migration_operations/operations.py
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from django.db.migrations.operations.base import Operation


class TestOperation(Operation):
    def __init__(self):
        pass

    @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


class CreateModel(TestOperation):
    pass