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Add an uninstall method to the ImportManager.

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This is the accepted portion of patch #402498.
This commit is contained in:
Greg Stein 2001-04-07 16:05:24 +00:00
parent 43935128a4
commit 76977bbcaf
1 changed files with 9 additions and 1 deletions
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10
Lib/imputil.py
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@ -28,12 +28,20 @@ class ImportManager:
if isinstance(namespace, _ModuleType): if isinstance(namespace, _ModuleType):
namespace = vars(namespace) 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 namespace['__import__'] = self._import_hook
### fix this ### fix this
#namespace['reload'] = self._reload_hook #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): def add_suffix(self, suffix, importFunc):
assert callable(importFunc) assert callable(importFunc)
self.fs_imp.add_suffix(suffix, importFunc) self.fs_imp.add_suffix(suffix, importFunc)