diff --git a/weboob/applications/weboobdebug/weboobdebug.py b/weboob/applications/weboobdebug/weboobdebug.py
index d87043c36bb7bac139ee9123711515634617c827..0c6e41aa131ce0e175f9aa55b609a098ed3c77db 100644
--- a/weboob/applications/weboobdebug/weboobdebug.py
+++ b/weboob/applications/weboobdebug/weboobdebug.py
@@ -65,7 +65,9 @@ def main(self, argv):
             funcs = [self.bpython, self.ipython, self.python]
         else:
             funcs = [self.ipython, self.bpython, self.python]
+        self.launch(funcs, locs, banner)
 
+    def launch(self, funcs, locs, banner):
         for func in funcs:
             try:
                 func(locs, banner)
diff --git a/weboob/tools/application/repl.py b/weboob/tools/application/repl.py
index dbf32706de532b21e2eb4ef8a95c7cdbd23f894b..0fb3d0023a764eff66a6506db37ac601109e9bf8 100644
--- a/weboob/tools/application/repl.py
+++ b/weboob/tools/application/repl.py
@@ -1239,3 +1239,21 @@ def format(self, result, alias=None):
 
     def flush(self):
         self.formatter.flush()
+
+    def do_debug(self, line):
+        """
+        debug
+
+        Launch a debug Python shell
+        """
+
+        from weboob.applications.weboobdebug import weboobdebug
+
+        app = weboobdebug.WeboobDebug()
+        locs = dict(application=self, weboob=self.weboob)
+        banner = ('Weboob debug shell\n\nAvailable variables:\n'
+         + '\n'.join(['  %s: %s' % (k, v) for k, v in locs.items()]))
+
+        funcs = [app.ipython, app.bpython, app.python]
+        app.launch(funcs, locs, banner)
+