Use slugified form of all app names

Author: Mark Gibbs

django_plotly_dash/dash_wrapper.py

@@ -3,6 +3,7 @@
 
 from django.urls import reverse
 from django.http import HttpResponse
+from django.utils.text import slugify
 
 import json
 
@@ -15,13 +16,16 @@
 usable_apps = {}
 
 def add_usable_app(name, app):
+    name = slugify(name)
     global usable_apps
     usable_apps[name] = app
+    return name
 
 def get_stateless_by_name(name):
     '''
     Locate a registered dash app by name, and return a DelayedDash instance encapsulating the app.
     '''
+    name = slugify(name)
     # TODO wrap this in raising a 404 if not found
     return usable_apps[name]
 

django_plotly_dash/models.py

@@ -30,8 +30,10 @@ def save(self, *args, **kwargs):
         super(DashApp, self).save(*args,**kwargs)
 
     def _stateless_dash_app(self):
-        # TODO make this a property of the object
-        dd = get_stateless_by_name(self.app_name)
+        dd = getattr(self,'_stateless_dash_app_instance',None)
+        if not dd:
+            dd = get_stateless_by_name(self.app_name)
+            setattr(self,'_stateless_dash_app_instance',dd)
         return dd
 
     def as_dash_instance(self):

django_plotly_dash/templatetags/plotly_dash.py

@@ -32,6 +32,6 @@ def plotly_app(context, name=None, slug=None, da=None, ratio=0.1, use_frameborde
     if slug is not None:
         da = get_object_or_404(DashApp,slug=slug)
 
-    app = da.form_dash_instance()
+    app = da.as_dash_instance()
     return locals()