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- """
- API versioning file; we can tell what kind of migrations things are
- by what class they inherit from (if none, it's a v1).
- """
- from south.utils import ask_for_it_by_name
- class BaseMigration(object):
-
- def gf(self, field_name):
- "Gets a field by absolute reference."
- field = ask_for_it_by_name(field_name)
- field.model = FakeModel
- return field
- class SchemaMigration(BaseMigration):
- pass
- class DataMigration(BaseMigration):
- # Data migrations shouldn't be dry-run
- no_dry_run = True
- class FakeModel(object):
- "Fake model so error messages on fields don't explode"
- pass
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