From 3f2bb7288f3a11d0adb8ee7a650a09fe5bdda156 2024-01-29 05:13:13
From: Paul Ivanov <pi@berkeley.edu>
Date: 2024-01-29 05:13:13
Subject: [PATCH] Remove old mentions and uses of ipython_extension_dir

The bulk of this functionality was removed in IPython 8.6.0, but there
were still mentions of it in the docs and in the reload code.

---

diff --git a/IPython/core/extensions.py b/IPython/core/extensions.py
index ded94be..14ddc13 100644
--- a/IPython/core/extensions.py
+++ b/IPython/core/extensions.py
@@ -42,28 +42,15 @@ class ExtensionManager(Configurable):
     if the extension is reloaded.
 
     You can put your extension modules anywhere you want, as long as
-    they can be imported by Python's standard import mechanism.  However,
-    to make it easy to write extensions, you can also put your extensions
-    in ``os.path.join(self.ipython_dir, 'extensions')``.  This directory
-    is added to ``sys.path`` automatically.
+    they can be imported by Python's standard import mechanism.
     """
 
     shell = Instance('IPython.core.interactiveshell.InteractiveShellABC', allow_none=True)
 
     def __init__(self, shell=None, **kwargs):
         super(ExtensionManager, self).__init__(shell=shell, **kwargs)
-        self.shell.observe(
-            self._on_ipython_dir_changed, names=('ipython_dir',)
-        )
         self.loaded = set()
 
-    @property
-    def ipython_extension_dir(self):
-        return os.path.join(self.shell.ipython_dir, u'extensions')
-
-    def _on_ipython_dir_changed(self, change):
-        ensure_dir_exists(self.ipython_extension_dir)
-
     def load_extension(self, module_str: str):
         """Load an IPython extension by its module name.
 
@@ -124,7 +111,6 @@ class ExtensionManager(Configurable):
         :func:`reload` is called and then the :func:`load_ipython_extension`
         function of the module, if it exists is called.
         """
-        from IPython.utils.syspathcontext import prepended_to_syspath
 
         if BUILTINS_EXTS.get(module_str, False) is True:
             module_str = "IPython.extensions." + module_str
@@ -132,8 +118,7 @@ class ExtensionManager(Configurable):
         if (module_str in self.loaded) and (module_str in sys.modules):
             self.unload_extension(module_str)
             mod = sys.modules[module_str]
-            with prepended_to_syspath(self.ipython_extension_dir):
-                reload(mod)
+            reload(mod)
             if self._call_load_ipython_extension(mod):
                 self.loaded.add(module_str)
         else: