diff options
| -rw-r--r-- | django/db/migrations/state.py | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/django/db/migrations/state.py b/django/db/migrations/state.py index f5019f65ee..0dd8d85e10 100644 --- a/django/db/migrations/state.py +++ b/django/db/migrations/state.py @@ -99,11 +99,25 @@ class ModelState(object): for field in model._meta.local_fields: name, path, args, kwargs = field.deconstruct() field_class = import_by_path(path) - fields.append((name, field_class(*args, **kwargs))) + try: + fields.append((name, field_class(*args, **kwargs))) + except TypeError as e: + raise TypeError("Couldn't reconstruct field %s on %s: %s" % ( + name, + model._meta.object_name, + e, + )) for field in model._meta.local_many_to_many: name, path, args, kwargs = field.deconstruct() field_class = import_by_path(path) - fields.append((name, field_class(*args, **kwargs))) + try: + fields.append((name, field_class(*args, **kwargs))) + except TypeError as e: + raise TypeError("Couldn't reconstruct m2m field %s on %s: %s" % ( + name, + model._meta.object_name, + e, + )) # Extract the options options = {} for name in DEFAULT_NAMES: |