Fix some typos and bugs in the worker.

data/queue.py

@@ -7,7 +7,7 @@ class WorkQueue(object):
   def __init__(self, queue_name):
     self.queue_name = queue_name
 
-  def put(message, available_after=0):
+  def put(self, message, available_after=0):
     """
     Put an item, if it shouldn't be processed for some number of seconds,
     specify that amount as available_after.
@@ -24,7 +24,7 @@ class WorkQueue(object):
 
     QueueItem.create(**params)
 
-  def get(processing_time=300):
+  def get(self, processing_time=300):
     """
     Get an available item and mark it as unavailable for the default of five
     minutes.
@@ -35,9 +35,9 @@ class WorkQueue(object):
 
     # TODO the query and the update should be atomic, but for now we only
     # have one worker.
-    avaial = QueueItem.select().where(QueueItem.queue_name = self.queue_name,
-                                      QueueItem.available_after <= now,
-                                      available_or_expired)
+    avail = QueueItem.select().where(QueueItem.queue_name == self.queue_name,
+                                     QueueItem.available_after <= now,
+                                     available_or_expired)
 
     found = list(avail.limit(1).order_by(QueueItem.available_after))
 
@@ -51,5 +51,5 @@ class WorkQueue(object):
 
     return None
 
-  def complete(completed_item):
+  def complete(self, completed_item):
     item.delete_instance()