Merge pull request #6 from asmeurer/stack-setting

Add an option to change the order of the stack

pudb/debugger.py

@@ -464,8 +464,13 @@ class DebuggerUI(FrameVarInfoKeeper):
 
         # stack listeners -----------------------------------------------------
         def examine_frame(w, size, key):
+            from pudb import CONFIG
+
             _, pos = self.stack_list._w.get_focus()
-            self.debugger.set_frame_index(len(self.debugger.stack)-1-pos)
+            if CONFIG["current_stack_frame"] == "top":
+                self.debugger.set_frame_index(len(self.debugger.stack)-1-pos)
+            else: # CONFIG["current_stack_frame"] == "bottom":
+                self.debugger.set_frame_index(pos)
 
         self.stack_list.listen("enter", examine_frame)
 
@@ -1020,6 +1025,7 @@ class DebuggerUI(FrameVarInfoKeeper):
         edit_config(self, CONFIG)
         save_config(CONFIG)
         self.setup_palette(self.screen)
+        self.update_stack()
 
         for sl in self.source:
             sl._invalidate()
@@ -1329,8 +1335,15 @@ class DebuggerUI(FrameVarInfoKeeper):
                     code.co_name, class_name,
                     self._format_fname(code.co_filename), lineno)
 
-        self.stack_walker[:] = [make_frame_ui(fl)
-                for fl in self.debugger.stack[::-1]]
+        from pudb import CONFIG
+
+        if CONFIG["current_stack_frame"] == "top":
+            self.stack_walker[:] = [make_frame_ui(fl)
+                    for fl in self.debugger.stack[::-1]]
+        else: # CONFIG["current_stack_frame"] == "bottom":
+            self.stack_walker[:] = [make_frame_ui(fl)
+                    for fl in self.debugger.stack]
+
 
     def show_exception(self, exc_type, exc_value, traceback):
         from traceback import format_exception

pudb/settings.py

@@ -54,6 +54,7 @@ def load_config():
     conf_dict.setdefault("theme", "classic")
     conf_dict.setdefault("line_numbers", False)
     conf_dict.setdefault("seen_welcome", "a")
+    conf_dict.setdefault("current_stack_frame", "top")
 
     def hack_bool(name):
         try:
@@ -131,6 +132,15 @@ def edit_config(ui, conf_dict):
                 "box above."),
             ]
 
+    stack_rb_group = []
+    stack_opts = ["top", "bottom"]
+    stack_info = urwid.Text("Show the current stack frame at the\n")
+    stack_rbs = [
+            urwid.RadioButton(stack_rb_group, name,
+                conf_dict["current_stack_frame"] == name)
+            for name in stack_opts
+            ]
+
     if ui.dialog(
             urwid.ListBox(
                 [heading]
@@ -139,7 +149,11 @@ def edit_config(ui, conf_dict):
                 + [urwid.AttrMap(urwid.Text("Shell:\n"), "group head")]
                 + [shell_info]
                 + shell_rbs
-                + [urwid.AttrMap(urwid.Text("\nTheme:\n"), "group head")] + theme_rbs,
+                + [urwid.AttrMap(urwid.Text("\nTheme:\n"), "group head")]
+                + theme_rbs
+                + [urwid.AttrMap(urwid.Text("\nStack Order:\n"), "group head")]
+                + [stack_info]
+                + stack_rbs
                 ),
             [
                 ("OK", True),
@@ -161,8 +175,9 @@ def edit_config(ui, conf_dict):
 
         conf_dict["line_numbers"] = cb_line_numbers.get_state()
 
-
-
+        for opt, stack_rb in zip(stack_opts, stack_rbs):
+            if stack_rb.get_state():
+                conf_dict["current_stack_frame"] = opt
 
 
 # {{{ breakpoint saving