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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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