Emacs configuration snippet for testing python with elpy, nosetests and django-nose with pdb in a gud-buffer

elpy-test-pdb-config.el

(use-package elpy
  :config
  (progn (elpy-enable)
         (defun elpy-nose-test-spec (module test)
           (cond (test
                  (format "%s:%s" module test))
                 (module module)
                 (t "")))
         (defun elpy-test-nose-pdb-runner (top file module test)
           "Test the project using the nose test runner with the --pdb arg.

This requires the nose package to be installed."
           (interactive (elpy-test-at-point))
           (let ((default-directory top))
             (pdb (format "nosetests --pdb %s"
                          (elpy-nose-test-spec module test)))))
         (put 'elpy-test-nose-pdb-runner 'elpy-test-runner-p t)
         (defvar elpy-test-pdb-runner
           #'elpy-test-nose-pdb-runner
           "Test runner to run with pdb")
         (defun elpy-test-django-nose-pdb-runner (top file module test)
           "Test the project using the django-nose test runner with the --pdb arg.

This requires the django-nose package to be installed and
properly configured for the django project."
           (interactive (elpy-test-at-point))
           (let ((default-directory top))
             (pdb (format "django-admin.py test --noinput %s --pdb"
                          (elpy-nose-test-spec module test)))))
         (defun elpy-test-pdb (&optional test-whole-project)
           "Run test the current project with the elpy-test-pdb-runner

            prefix args have the same semantics as for `elpy-test'"
           (interactive "P")
           (let ((elpy-test-runner elpy-test-pdb-runner))
             (elpy-test test-whole-project)))
         (eval-after-load 'elpy
           '(progn
              (define-key elpy-mode-map
                (kbd "C-c t") 'elpy-test-pdb)))))