Use pudb if available.

Author: klen

ftplugin/python/init-pymode.vim

@@ -155,14 +155,19 @@ endif
 
 if !pymode#Default("g:pymode_breakpoint", 1) || g:pymode_breakpoint
 
-    if !pymode#Default("g:pymode_breakpoint_cmd", "import ipdb; ipdb.set_trace()  # XXX BREAKPOINT")  && has("python")
+    if !pymode#Default("g:pymode_breakpoint_cmd", "import pdb; pdb.set_trace()  # XXX BREAKPOINT")  && has("python")
+
 python << EOF
 from imp import find_module
-try:
-    find_module('ipdb')
-except ImportError:
-    vim.command('let g:pymode_breakpoint_cmd = "import pdb; pdb.set_trace()  # XXX BREAKPOINT"')
+
+for module in ('pudb', 'ipdb'):
+    try:
+        find_module(module)
+        vim.command('let g:pymode_breakpoint_cmd = "import %s; %s.set_trace()  # XXX BREAKPOINT"' % (module, module))
+    except ImportError:
+        continue
 EOF
+
     endif
 
     " OPTION: g:pymode_breakpoint_key -- string. Key for set/unset breakpoint.