Adding a debug middleware, which simply shows the traceback and dumps

the WSGI environment. No fancy inline debugging. Use pdb.

pecan/__init__.py

@@ -1,7 +1,5 @@
 from paste.errordocument import make_errordocument
 from paste.translogger import TransLogger
-from weberror.errormiddleware import ErrorMiddleware
-from weberror.evalexception import EvalException
 
 from core import (
     abort, override_template, Pecan, load_app, redirect, render,
@@ -10,8 +8,8 @@ from core import (
 from recursive import RecursiveMiddleware
 from decorators import expose
 from hooks import RequestViewerHook
-from templating import error_formatters
 from static import SharedDataMiddleware
+from debug import DebugMiddleware
 
 from configuration import set_config
 from configuration import _runtime_conf as conf
@@ -35,27 +33,28 @@ def make_app(root, static_root=None, debug=False, errorcfg={},
 
     # Instantiate the WSGI app by passing **kw onward
     app = Pecan(root, **kw)
+
     # Optionally wrap the app in another WSGI app
     if wrap_app:
         app = wrap_app(app)
+
     # Included for internal redirect support
     app = RecursiveMiddleware(app)
-    # Support for interactive debugging (and error reporting)
+
+    # When in debug mode, load our exception dumping middleware
     if debug:
-        app = EvalException(
-            app,
-            templating_formatters=error_formatters,
-            **errorcfg
-        )
-    else:
-        app = ErrorMiddleware(app, **errorcfg)
+        app = DebugMiddleware(app)
+
     # Configuration for serving custom error messages
     if hasattr(conf.app, 'errors'):
         app = make_errordocument(app, conf, **dict(conf.app.errors))
+
     # Support for serving static files (for development convenience)
     if static_root:
         app = SharedDataMiddleware(app, static_root)
+
     # Support for simple Apache-style logs
     if isinstance(logging, dict) or logging == True:
         app = TransLogger(app, **(isinstance(logging, dict) and logging or {}))
+
     return app