[Python-checkins] cpython (3.3): Issue #16880: _imp.load_dynamic() is not defined on a platform that

[brett.cannon]

http://hg.python.org/cpython/rev/d5aa922f97f9
changeset:   82719:d5aa922f97f9
branch:      3.3
parent:      82716:3251b2a04fee
user:        Brett Cannon <brett at python.org>
date:        Sun Mar 17 15:48:16 2013 -0700
summary:
  Issue #16880: _imp.load_dynamic() is not defined on a platform that
does not support dynamic loading (e.g. Atari), so make sure that imp
doesn't assume it always exists.

Patch by Christian Heimes.

files:
  Lib/imp.py |  9 +++++++--
  Misc/NEWS  |  2 ++
  2 files changed, 9 insertions(+), 2 deletions(-)


diff --git a/Lib/imp.py b/Lib/imp.py
--- a/Lib/imp.py
+++ b/Lib/imp.py
@@ -7,9 +7,14 @@
 """
 # (Probably) need to stay in _imp
 from _imp import (lock_held, acquire_lock, release_lock,
-                  load_dynamic, get_frozen_object, is_frozen_package,
+                  get_frozen_object, is_frozen_package,
                   init_builtin, init_frozen, is_builtin, is_frozen,
                   _fix_co_filename)
+try:
+    from _imp import load_dynamic
+except ImportError:
+    # Platform doesn't support dynamic loading.
+    load_dynamic = None
 
 # Directly exposed by this module
 from importlib._bootstrap import new_module
@@ -160,7 +165,7 @@
             return load_source(name, filename, file)
         elif type_ == PY_COMPILED:
             return load_compiled(name, filename, file)
-        elif type_ == C_EXTENSION:
+        elif type_ == C_EXTENSION and load_dynamic is not None:
             return load_dynamic(name, filename, file)
         elif type_ == PKG_DIRECTORY:
             return load_package(name, filename)
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -193,6 +193,8 @@
 Library
 -------
 
+Issue #16880: Do not assume _imp.load_dynamic() is defined in the imp module.
+
 - Issue #16389: Fixed a performance regression relative to Python 3.1 in the
   caching of compiled regular expressions.
 

-- 
Repository URL: http://hg.python.org/cpython