Add an uninstall method to the ImportManager.
This is the accepted portion of patch #402498.
diff --git a/Lib/imputil.py b/Lib/imputil.py
index 2f87d69..b245ec5 100644
--- a/Lib/imputil.py
+++ b/Lib/imputil.py
@@ -28,12 +28,20 @@
if isinstance(namespace, _ModuleType):
namespace = vars(namespace)
- ### Note that we have no notion of "uninstall" or "chaining"
+ # Note: we have no notion of "chaining"
+ # Record the previous import hook, then install our own.
+ self.previous_importer = namespace['__import__']
+ self.namespace = namespace
namespace['__import__'] = self._import_hook
+
### fix this
#namespace['reload'] = self._reload_hook
+ def uninstall(self):
+ "Restore the previous import mechanism."
+ self.namespace['__import__'] = self.previous_importer
+
def add_suffix(self, suffix, importFunc):
assert callable(importFunc)
self.fs_imp.add_suffix(suffix, importFunc)