diff options
Diffstat (limited to 'django')
| -rw-r--r-- | django/db/migrations/operations/special.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/django/db/migrations/operations/special.py b/django/db/migrations/operations/special.py index 714a6d59f9..40ae1f85b7 100644 --- a/django/db/migrations/operations/special.py +++ b/django/db/migrations/operations/special.py @@ -103,7 +103,6 @@ class RunPython(Operation): """ reduces_to_sql = False - reversible = False def __init__(self, code, reverse_code=None): # Forwards code @@ -118,6 +117,10 @@ class RunPython(Operation): raise ValueError("RunPython must be supplied with callable arguments") self.reverse_code = reverse_code + @property + def reversible(self): + return self.reverse_code is not None + def state_forwards(self, app_label, state): # RunPython objects have no state effect. To add some, combine this # with SeparateDatabaseAndState. |