Update contrib/python/ipython/py3 to 8.3.0

ref:e84342d4d30476f9148137f37fd0c6405fd36f55

1 files changed, 21 insertions, 26 deletions

diff --git a/contrib/python/ipython/py3/IPython/utils/shimmodule.py b/contrib/python/ipython/py3/IPython/utils/shimmodule.py
index b70ac135bf8..8af44caa98b 100644
--- a/contrib/python/ipython/py3/IPython/utils/shimmodule.py
+++ b/contrib/python/ipython/py3/IPython/utils/shimmodule.py
@@ -3,6 +3,8 @@
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
+import importlib.abc
+import importlib.util
 import sys
 import types
 from importlib import import_module
@@ -13,41 +15,26 @@ from .importstring import import_item
 class ShimWarning(Warning):
     """A warning to show when a module has moved, and a shim is in its place."""
 
-class ShimImporter(object):
+
+class ShimImporter(importlib.abc.MetaPathFinder):
     """Import hook for a shim.
-    
+
     This ensures that submodule imports return the real target module,
     not a clone that will confuse `is` and `isinstance` checks.
     """
     def __init__(self, src, mirror):
         self.src = src
         self.mirror = mirror
-    
+
     def _mirror_name(self, fullname):
         """get the name of the mirrored module"""
-        
-        return self.mirror + fullname[len(self.src):]
 
-    def find_module(self, fullname, path=None):
-        """Return self if we should be used to import the module."""
-        if fullname.startswith(self.src + '.'):
-            mirror_name = self._mirror_name(fullname)
-            try:
-                mod = import_item(mirror_name)
-            except ImportError:
-                return
-            else:
-                if not isinstance(mod, types.ModuleType):
-                    # not a module
-                    return None
-                return self
+        return self.mirror + fullname[len(self.src) :]
 
-    def load_module(self, fullname):
-        """Import the mirrored module, and insert it into sys.modules"""
-        mirror_name = self._mirror_name(fullname)
-        mod = import_item(mirror_name)
-        sys.modules[fullname] = mod
-        return mod
+    def find_spec(self, fullname, path, target=None):
+        if fullname.startswith(self.src + "."):
+            mirror_name = self._mirror_name(fullname)
+            return importlib.util.find_spec(mirror_name)
 
 
 class ShimModule(types.ModuleType):
@@ -90,5 +77,13 @@ class ShimModule(types.ModuleType):
         name = "%s.%s" % (self._mirror, key)
         try:
             return import_item(name)
-        except ImportError:
-            raise AttributeError(key)
+        except ImportError as e:
+            raise AttributeError(key) from e
+
+    def __repr__(self):
+        # repr on a module can be called during error handling; make sure
+        # it does not fail, even if the import fails
+        try:
+            return self.__getattr__("__repr__")()
+        except AttributeError:
+            return f"<ShimModule for {self._mirror!r}>"