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-rw-r--r--cryptography/hazmat/bindings/commoncrypto/binding.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/cryptography/hazmat/bindings/commoncrypto/binding.py b/cryptography/hazmat/bindings/commoncrypto/binding.py
index 796135fc..ac5997ea 100644
--- a/cryptography/hazmat/bindings/commoncrypto/binding.py
+++ b/cryptography/hazmat/bindings/commoncrypto/binding.py
@@ -13,7 +13,9 @@
from __future__ import absolute_import, division, print_function
-from cryptography.hazmat.bindings.utils import build_ffi
+from cryptography.hazmat.bindings.utils import (
+ build_ffi, binding_available
+)
class Binding(object):
@@ -38,3 +40,7 @@ class Binding(object):
cls.ffi, cls.lib = build_ffi(cls._module_prefix, cls._modules,
"", "", [])
+
+ @classmethod
+ def is_available(cls):
+ return binding_available(cls._ensure_ffi_initialized)