Start playing with `realgud'

README.org

@@ -277,12 +277,13 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
                             (parsebib . "melpa-stable")
                             (queue . "gnu")
                             (rainbow-mode . "gnu")
+                            (realgud . "melpa")
                             (s . "melpa-stable")
                             (xr . "gnu")
                             (vertico . "gnu")
                             (with-editor . "nongnu")
                             (yasnippet . "gnu"))
- package-selected-packages '(no-littering))
+ package-selected-packages '(no-littering realgud))
 #+end_src
 
 #+caption[Set the third set of Emacs options: final tweaks]:
@@ -5948,8 +5949,11 @@ configures =code-cells=.
 :END:
 
 Listing [[lst:pdb-example]] and [[lst:pdb-numpy]] show how to start using PDB.
+Debugging works better with =tool-bar-mode= enabled.
 Links of interest are:
 - [[https://realpython.com/python-debugging-pdb/][Python Debugging with PDB]]
+- [[https://github.com/realgud/realgud][RealGUD]] provides a nice interface to PDB by means of {{{kbd(M-x
+  realgud:pdb)}}}.
 - [[https://docs.python.org/3/library/pdb.html][The Python Debugger]]
 - [[yt:vfPtGsSJldg][Introduction to PDB (Python-2.7 YouTube video)]]
 - [[https://stackoverflow.com/questions/7668979/how-do-you-watch-a-variable-in-pdb][How do you watch a variable in PDB? (Python-2.7)]]
@@ -5984,11 +5988,9 @@ def buggy():
     from numpy.linalg import inv
 
     a = matrix(array([[1.0, 1.0], [1.0, 1.0]]))
-    breakpoint()
     # Use "display", "p", or "pp" to inspect "a".
     # A series of "s" does not raise the exception here, contrary to "c".
     b = inv(a)
-    breakpoint()
     return b
 
 if __name__ == "__main__":