python: fix pdb history

home-manager/common.nix

@@ -256,8 +256,7 @@ in
     "ghostty" = createDotLink "ghostty";
   };
   home.file = {
-		".pdbrc" = {
+    ".pdbrc" = { source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/python/.pdbrc";};
-		    source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/python/.pdbrc";
+    ".pdb_startup.py" = { source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/python/.pdb_startup.py";};
-    };
   };
 }

python/.pdb_startup.py

@@ -0,0 +1,17 @@
+import atexit
+import os
+
+try:
+    import readline
+    historyPath = os.path.expanduser("~/.pdb_history")
+    readline.clear_history()
+    if os.path.exists(historyPath):
+        readline.read_history_file(historyPath)
+
+    def save_history(historyPath=historyPath):
+        import readline
+        readline.write_history_file(historyPath)
+
+    atexit.register(save_history)
+except ImportError:
+    pass

python/.pdbrc

@@ -1,18 +1 @@
-# ~/.pdbrc
+import importlib.util, os; spec = importlib.util.spec_from_file_location("pdb_startup", os.path.expanduser("~/.pdb_startup.py")); mod = importlib.util.module_from_spec(spec); spec.loader.exec_module(mod)
-import atexit
-import os
-import readline
-
-# Define where the pdb command history will be saved
-historyPath = os.path.expanduser("~/.pdb_history")
-
-# Read existing history if it exists
-if os.path.exists(historyPath):
-    readline.read_history_file(historyPath)
-
-# Register a hook to automatically save history when exiting pdb
-def save_history(historyPath=historyPath):
-    import readline
-    readline.write_history_file(historyPath)
-
-atexit.register(save_history)