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.
diff --git a/Lib/imp.py b/Lib/imp.py
index da9c84e..7a7079f 100644
--- 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
index 2cdb491..a92caf2 100644
--- 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.