From c79bb96d5f86edb6554d945f17c46e527b336259 Mon Sep 17 00:00:00 2001
From: Donald Stufft <donald@stufft.io>
Date: Sun, 14 Apr 2013 01:07:42 -0400
Subject: [PATCH] Conditionally use functools.wraps if there is a __name__
This is a work around to https://bugs.pypy.org/issue1452
---
nacl/nacl.py | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/nacl/nacl.py b/nacl/nacl.py
index 20cc74d3..8fb06b25 100644
--- a/nacl/nacl.py
+++ b/nacl/nacl.py
@@ -77,12 +77,23 @@ ffi.cdef(
lib = ffi.verify("#include <sodium.h>", libraries=["sodium"])
+# This works around a bug in PyPy where CFFI exposed functions do not have a
+# __name__ attribute. See https://bugs.pypy.org/issue1452
+def wraps(wrapped):
+ def inner(func):
+ if hasattr(wrapped, "__name__"):
+ return functools.wraps(wrapped)(func)
+ else:
+ return func
+ return inner
+
+
# A lot of the functions in nacl return 0 for success and a negative integer
# for failure. This is inconvenient in Python as 0 is a falsey value while
# negative integers are truthy. This wrapper has them return True/False as
# you'd expect in Python
def wrap_nacl_function(func):
- @functools.wraps(func)
+ @wraps(func)
def wrapper(*args, **kwargs):
ret = func(*args, **kwargs)
return ret == 0
--
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