Issue #18784: The uuid module no more attempts to load libc via ctypes.CDLL,

if all necessary functions are already found in libuuid.
Patch by Evgeny Sologubov.

Lib/uuid.py

@@ -429,6 +429,8 @@ def _netbios_getnode():
             _uuid_generate_random = lib.uuid_generate_random
         if hasattr(lib, 'uuid_generate_time'):
             _uuid_generate_time = lib.uuid_generate_time
+            if _uuid_generate_random is not None:
+                break  # found everything we were looking for
 
     # The uuid_generate_* functions are broken on MacOS X 10.5, as noted
     # in issue #8621 the function generates the same sequence of values

Misc/ACKS

@@ -1199,6 +1199,7 @@ Rafal Smotrzyk
 Eric Snow
 Dirk Soede
 Paul Sokolovsky
+Evgeny Sologubov
 Cody Somerville
 Edoardo Spadolini
 Clay Spence

Misc/NEWS

@@ -10,6 +10,10 @@ Core and Builtins
 Library
 -------
 
+- Issue #18784: The uuid module no more attempts to load libc via ctypes.CDLL,
+  if all necessary functions are already found in libuuid.
+  Patch by Evgeny Sologubov.
+
 - The :envvar:`PYTHONFAULTHANDLER` environment variable now only enables the
   faulthandler module if the variable is non-empty. Same behaviour than other
   variables like :envvar:`PYTHONDONTWRITEBYTECODE`.