diff options
Diffstat (limited to 'django/db/utils.py')
| -rw-r--r-- | django/db/utils.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/django/db/utils.py b/django/db/utils.py index 2261a69f71..47dd5fd937 100644 --- a/django/db/utils.py +++ b/django/db/utils.py @@ -333,8 +333,16 @@ class ConnectionRouter(object): # If the router doesn't have a method, skip to the next one. continue - argspec = inspect.getargspec(method) - if len(argspec.args) == 3 and not argspec.keywords: + if six.PY3: + sig = inspect.signature(router.allow_migrate) + has_deprecated_signature = not any( + p.kind == inspect.Parameter.VAR_KEYWORD for p in sig.parameters.values() + ) + else: + argspec = inspect.getargspec(router.allow_migrate) + has_deprecated_signature = len(argspec.args) == 3 and not argspec.keywords + + if has_deprecated_signature: warnings.warn( "The signature of allow_migrate has changed from " "allow_migrate(self, db, model) to " |