Added more error detection to the Reddit app, also moved is_valid to the model

reddit/admin.py

@@ -10,27 +10,6 @@ class RedditAccountAdmin(admin.ModelAdmin):
 
     fields = ('user', 'username', 'validated')
 
-    #form = RedditAccountForm
-
-    def is_valid(self, obj):
-        if not obj.date_created:
-            return False
-
-        # Account 3 months old?
-        if (date.today() - obj.date_created.date()).days >= 90:
-            return True
-
-        # Account created after 9/2/10 and before 13/2/10
-        if obj.date_created.date() >= date(2010, 2, 9) and obj.date_created.date() <= date(2010, 2, 13):
-            return True
-    
-        return False
-
-
-    is_valid.short_description = 'Dreddit Eligible'
-    is_valid.boolean = True
-
-
     def save_model(self, request, obj, form, change):
         if not obj.pk:
             obj.api_update()

reddit/models.py

@@ -2,7 +2,7 @@ from django.db import models
 from django.contrib.auth.models import User
 import simplejson as json
 import urllib
-from datetime import datetime
+from datetime import datetime, date
 from reddit.api import Comment
 
 
@@ -64,6 +64,21 @@ class RedditAccount(models.Model):
 
         return posts
 
+    @property
+    def is_valid(self):
+        if not self.date_created:
+            return False
+
+        # Account 3 months old?
+        if (date.today() - self.date_created.date()).days >= 90:
+            return True
+
+        # Account created after 9/2/10 and before 13/2/10
+        if self.date_created.date() >= date(2010, 2, 9) and self.date_created.date() <= date(2010, 2, 13):
+            return True
+
+        return False
+
 
     class Meta:
         app_label = 'reddit'

reddit/tasks.py

@@ -1,23 +1,47 @@
+from urllib2 import HTTPError, URLError
+from celery.task import Task
 from celery.decorators import task
 from reddit.models import RedditAccount
-from reddit.api import Inbox
+from reddit.api import Inbox, LoginError
 from django.conf import settings
 
-@task(ignore_result=True)
+class send_reddit_message(Task):
-def send_reddit_message(to, subject, message):
+
+    default_retry_delay = 5 * 60 # retry in 5 minutes
+    ignore_result = True
+
+    def run(self, to, subject, message, **kwargs):
+        logger = self.get_logger(**kwargs)
+
+        logger.info("Sending Reddit message to %s" % to)
         ib = Inbox(username=settings.REDDIT_USER, password=settings.REDDIT_PASSWORD)
+        try:
             ib.send(to, subject, message)
+        except (HTTPError, URLError), exc:
+            logger.error("Error sending message, queueing for retry")
+            self.retry([to, subject, message], kwargs=kwargs, exc=exc)
+        except LoginError, exc:
+            logger.error("Error logging into Reddit")
+
 
 @task(ignore_result=True)
 def process_validations():
-    log = process_validations.get_logger()
+    logger = process_validations.get_logger()
+    try:
         inbox = Inbox(settings.REDDIT_USER, settings.REDDIT_PASSWORD)
+    except (HTTPError, URLError), exc:
+        logger.error("Error with Reddit, aborting.")
+        return
+    except LoginError, exc:
+        logger.error("Error logging into Reddit")
+        return 
+
     for msg in inbox:
         if not msg.was_comment:
             try:
                 acc = RedditAccount.objects.get(username__iexact=msg.author)
                 if not acc.validated and msg.subject == "Validation: %s" % acc.user.username:
-                    log.info("Validated %s" % acc.user.username)
+                    logger.info("Validated %s" % acc.user.username)
                     acc.validated = True
                     acc.save()
             except RedditAccount.DoesNotExist: