Improve error reporting for Ajax callbacks

brython-dev · Nov 26, 2016 · f5fa46a · f5fa46a
1 parent 6cf34ab
commit f5fa46a
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Showing 2 changed files with 17 additions and 3 deletions.
diff --git a/www/src/libs/_ajax.js b/www/src/libs/_ajax.js
@@ -68,7 +68,22 @@ ajax.$dict = {
 
     bind : function(self, evt, func){
         // req.bind(evt,func) is the same as req.onevt = func
-        self.js['on'+evt] = func
+        self.js['on'+evt] = function(){
+            try{
+                return func.apply(null, arguments)
+            }catch(err){
+                if(err.__class__!==undefined){
+                    var msg = _b_.getattr(err, 'info')+
+                        '\n'+err.__class__.__name__
+                    if(err.args){msg += ': '+err.args[0]}
+                    try{getattr($B.stderr,"write")(msg)}
+                    catch(err){console.log(msg)}
+                }else{
+                    try{getattr($B.stderr,"write")(err)}
+                    catch(err1){console.log(err)}
+                }
+            }
+        }
         return $N
     },
 

diff --git a/www/src/py_exceptions.js b/www/src/py_exceptions.js
@@ -272,10 +272,9 @@ $B.exception = function(js_exc){
     // js_exc is the Javascript exception, which can be raised by the
     // code generated by Python - in this case it has attribute $py_error set -
     // or by the Javascript interpreter (ReferenceError for instance)
-
     if(!js_exc.$py_error){
         // Print complete Javascript traceback in console
-        //console.log(js_exc)
+        //console.log('js exc', js_exc)
 
         if(js_exc.info===undefined){
             var _frame = $B.last($B.frames_stack)