RustPython · arihant2math · Feb 24, 2025 · Feb 24, 2025 · Feb 24, 2025 · Feb 25, 2025
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -275,17 +275,17 @@ jobs:
       - if: runner.os == 'Linux'
         name: run cpython platform-independent tests
         run:
-          target/release/rustpython -m test -j 1 -u all --slowest --fail-env-changed -v ${{ env.PLATFORM_INDEPENDENT_TESTS }}
+          target/release/rustpython -m test -u all --slowest --fail-env-changed -v ${{ env.PLATFORM_INDEPENDENT_TESTS }}
       - if: runner.os == 'Linux'
         name: run cpython platform-dependent tests (Linux)
-        run: target/release/rustpython -m test -j 1 -u all --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }}
+        run: target/release/rustpython -m test -u all --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }}
       - if: runner.os == 'macOS'
         name: run cpython platform-dependent tests (MacOS)
-        run: target/release/rustpython -m test -j 1 --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }} ${{ env.MACOS_SKIPS }}
+        run: target/release/rustpython -m test --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }} ${{ env.MACOS_SKIPS }}
       - if: runner.os == 'Windows'
         name: run cpython platform-dependent tests (windows partial - fixme)
         run:
-          target/release/rustpython -m test -j 1 --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }} ${{ env.WINDOWS_SKIPS }}
+          target/release/rustpython -m test --slowest --fail-env-changed -v -x ${{ env.PLATFORM_INDEPENDENT_TESTS }} ${{ env.WINDOWS_SKIPS }}
       - if: runner.os != 'Windows'
         name: check that --install-pip succeeds
         run: |

diff --git a/Lib/inspect.py b/Lib/inspect.py
@@ -3096,6 +3096,24 @@ def signature(obj, *, follow_wrapped=True):
     return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
 
 
+@functools.lru_cache()
+def _shadowed_dict_from_weakref_mro_tuple(*weakref_mro):
+    for weakref_entry in weakref_mro:
+        # Normally we'd have to check whether the result of weakref_entry()
+        # is None here, in case the object the weakref is pointing to has died.
+        # In this specific case, however, we know that the only caller of this
+        # function is `_shadowed_dict()`, and that therefore this weakref is
+        # guaranteed to point to an object that is still alive.
+        entry = weakref_entry()
+        dunder_dict = _get_dunder_dict_of_class(entry)
+        if '__dict__' in dunder_dict:
+            class_dict = dunder_dict['__dict__']
+            if not (type(class_dict) is types.GetSetDescriptorType and
+                    class_dict.__name__ == "__dict__" and
+                    class_dict.__objclass__ is entry):
+                return class_dict
+    return _sentinel
+
 def _main():
     """ Logic for inspecting an object given at command line """
     import argparse

diff --git a/Lib/test/__main__.py b/Lib/test/__main__.py
@@ -1,2 +1,2 @@
 from test.libregrtest import main
-main()
+main.main()
diff --git a/Lib/test/autotest.py b/Lib/test/autotest.py
@@ -0,0 +1,5 @@
+# This should be equivalent to running regrtest.py from the cmdline.
+# It can be especially handy if you're in an interactive shell, e.g.,
+# from test import autotest.
+from test.libregrtest.main import main
+main()
diff --git a/Lib/test/libregrtest/__init__.py b/Lib/test/libregrtest/__init__.py
@@ -1,5 +0,0 @@
-# We import importlib *ASAP* in order to test #15386
-import importlib
-
-from test.libregrtest.cmdline import _parse_args, RESOURCE_NAMES, ALL_RESOURCES
-from test.libregrtest.main import main