Don't pass the realpath of script target to system functions

Author: johnslavik

Lib/pdb.py

@@ -185,10 +185,10 @@ class _ScriptTarget(_ExecutableTarget):
     def __init__(self, target):
         self._target = os.path.realpath(target)
 
-        if not os.path.exists(self._target):
+        if not os.path.exists(target):
             print(f'Error: {target} does not exist')
             sys.exit(1)
-        if os.path.isdir(self._target):
+        if os.path.isdir(target):
             print(f'Error: {target} is a directory')
             sys.exit(1)
 

Misc/NEWS.d/next/Library/2025-12-07-02-36-24.gh-issue-142315.02o5E_.rst

@@ -0,0 +1 @@
+Pdb can run scripts from pseudofiles. Patch by Bartosz Sławecki.