better web2py devserver, with werkzeug debugger. and it doesn't rewrite translation!

gistfile1.txt

diff --git a/gluon/languages.py b/gluon/languages.py
--- a/gluon/languages.py
+++ b/gluon/languages.py
@@ -283,6 +283,7 @@
 
 
 def write_plural_dict(filename, contents):
+    return
     if '__corrupted__' in contents:
         return
     try:
@@ -303,6 +304,7 @@
 
 
 def write_dict(filename, contents):
+    return
     if '__corrupted__' in contents:
         return
     try:
diff --git a/gluon/main.py b/gluon/main.py
--- a/gluon/main.py
+++ b/gluon/main.py
@@ -610,6 +610,7 @@
 
         except:
 
+            raise  # the exception will be handled by werkzeug's debug facilities
             if request.body:
                 request.body.close()
 
@@ -834,6 +835,12 @@
                                            log_filename,
                                            profiler_filename)}
 
+        from werkzeug.serving import run_simple
+        from werkzeug.debug import DebuggedApplication
+        app = DebuggedApplication(app_info["wsgi_app"], evalex=True)
+        run_simple(ip, port, app, use_reloader=True)
+        return
+
         self.server = rocket.Rocket(interfaces or tuple(sock_list),
                                     method='wsgi',
                                     app_info=app_info,
diff --git a/gluon/restricted.py b/gluon/restricted.py
--- a/gluon/restricted.py
+++ b/gluon/restricted.py
@@ -216,13 +216,9 @@
         # do not encapsulate (obfuscate) the original RestrictedError
         raise
     except Exception, error:
-        # extract the exception type and value (used as output message)
-        etype, evalue, tb = sys.exc_info()
-        # XXX Show exception in Wing IDE if running in debugger
-        if __debug__ and 'WINGDB_ACTIVE' in os.environ:
-            sys.excepthook(etype, evalue, tb)
-        output = "%s %s" % (etype, evalue)
-        raise RestrictedError(layer, code, output, environment)
+        #from traceback import format_exc
+        #raise HTTP(500, u"<pre>%s</pre>" % format_exc())
+        raise  # the exception will be handled by werkzeug's debug facilities
 
 
 def snapshot(info=None, context=5, code=None, environment=None):