diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/cryptography/utils.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cryptography/utils.py b/src/cryptography/utils.py index d3e845ab..48ed449a 100644 --- a/src/cryptography/utils.py +++ b/src/cryptography/utils.py @@ -31,6 +31,15 @@ def register_interface(iface): return register_decorator +def register_interface_if(predicate, iface): + def register_decorator(klass): + if predicate: + verify_interface(iface, klass) + iface.register(klass) + return klass + return register_decorator + + if hasattr(int, "from_bytes"): int_from_bytes = int.from_bytes else: |