work on player

aircox/templatetags/aircox.py

@@ -1,4 +1,5 @@
 import random
+import json
 
 from django import template
 
@@ -8,32 +9,6 @@ random.seed()
 register = template.Library()
 
 
-@register.filter(name='verbose_name')
-def do_verbose_name(obj, plural=False):
-    """
-    Return model's verbose name (singular or plural) or `obj` if it is a
-    string (can act for default values).
-    """
-    return obj if isinstance(obj, str) else \
-           obj._meta.verbose_name_plural if plural else \
-           obj._meta.verbose_name
-
-@register.simple_tag(name='update_query')
-def do_update_query(obj, **kwargs):
-    """ Replace provided querydict's values with **kwargs. """
-    for k, v in kwargs.items():
-        if v is not None:
-            obj[k] = list(v) if hasattr(v, '__iter__') else [v]
-        elif k in obj:
-            obj.pop(k)
-    return obj
-
-
-@register.filter(name='is_diffusion')
-def do_is_diffusion(obj):
-    return isinstance(obj, Diffusion)
-
-
 @register.filter(name='get_tracks')
 def do_get_tracks(obj):
     """ Get a list of track for the provided log, diffusion, or episode """
@@ -44,20 +19,42 @@ def do_get_tracks(obj):
         obj = obj.episode
     return obj.track_set.all()
 
+@register.filter(name='is_diffusion')
+def do_is_diffusion(obj):
+    """ Return True if object is a Diffusion. """
+    return isinstance(obj, Diffusion)
+
+@register.filter(name='json')
+def do_json(obj,fields=""):
+    """ Return object as json """
+    if fields:
+        obj = { k: getattr(obj,k,None) for k in ','.split(fields) }
+    return json.dumps(obj)
 
 @register.simple_tag(name='nav_items', takes_context=True)
 def do_nav_items(context, menu, **kwargs):
+    """ Render navigation items for the provided menu name. """
     station, request = context['station'], context['request']
     return [(item, item.render(request, **kwargs))
             for item in station.navitem_set.filter(menu=menu)]
 
+@register.simple_tag(name='update_query')
+def do_update_query(obj, **kwargs):
+    """ Replace provided querydict's values with **kwargs. """
+    for k, v in kwargs.items():
+        if v is not None:
+            obj[k] = list(v) if hasattr(v, '__iter__') else [v]
+        elif k in obj:
+            obj.pop(k)
+    return obj
 
-# FIXME: used?
-@register.simple_tag(name='unique_id')
-def do_unique_id(prefix=''):
-    value = str(random.random()).replace('.', '')
-    return prefix + '_' + value if prefix else value
-
-
-
+@register.filter(name='verbose_name')
+def do_verbose_name(obj, plural=False):
+    """
+    Return model's verbose name (singular or plural) or `obj` if it is a
+    string (can act for default values).
+    """
+    return obj if isinstance(obj, str) else \
+           obj._meta.verbose_name_plural if plural else \
+           obj._meta.verbose_name