context always has a template_inject dict, remove now-redundant checks

py4web/core.py

@@ -514,10 +514,7 @@ def on_success(self, context):
         output = context["output"]
         flash = self.local.flash or ""
         if isinstance(output, dict):
-            if "template_inject" in context:
-                context["template_inject"]["flash"] = flash
-            else:
-                context["template_inject"] = dict(flash=flash)
+            context["template_inject"]["flash"] = flash
         elif self.local.flash is not None:
             response.headers.setdefault("component-flash", json.dumps(flash))
 
@@ -611,7 +608,7 @@ def on_success(self, context):
         ctx = dict(request=request)
         ctx.update(HELPERS)
         ctx.update(URL=URL)
-        ctx.update(context.get("template_inject", {}))
+        ctx.update(context["template_inject"])
         ctx.update(output)
         ctx["__vars__"] = output
         app_folder = os.path.join(os.environ["PY4WEB_APPS_FOLDER"], request.app_name)
@@ -993,6 +990,7 @@ def wrapper(*args, **kwargs):
                     "output": None,
                     "exception": None,
                     "processed": processed,
+                    "template_inject": {},
                 }
                 try:
                     for fixture in fixtures:

py4web/utils/auth.py

@@ -339,7 +339,7 @@ def deny_action(self, action_name):
 
     def on_success(self, context):
         if self.inject:
-            context["template_inject"] = {"user": self.get_user()}
+            context["template_inject"]["user"] = self.get_user()
 
     def define_tables(self):
         """Defines the auth_user table"""