diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/utils.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/cryptography/utils.py b/src/cryptography/utils.py index 237d5968..27bccbc6 100644 --- a/src/cryptography/utils.py +++ b/src/cryptography/utils.py @@ -58,6 +58,11 @@ class InterfaceNotImplemented(Exception): pass +if hasattr(inspect, "signature"): + signature = inspect.signature +else: + signature = inspect.getargspec + def verify_interface(iface, klass): for method in iface.__abstractmethods__: if not hasattr(klass, method): @@ -67,9 +72,9 @@ def verify_interface(iface, klass): if isinstance(getattr(iface, method), abc.abstractproperty): # Can't properly verify these yet. continue - spec = inspect.getargspec(getattr(iface, method)) - actual = inspect.getargspec(getattr(klass, method)) - if spec != actual: + sig = signature(getattr(iface, method)) + actual = signature(getattr(klass, method)) + if sig != actual: raise InterfaceNotImplemented( "{0}.{1}'s signature differs from the expected. Expected: " "{2!r}. Received: {3!r}".format( |