Fixed issues with queues.

Tweaked code to get more performance from it.

sickbeard/db.py

@@ -29,6 +29,7 @@ import sickbeard
 from sickbeard import encodingKludge as ek
 from sickbeard import logger
 from sickbeard.exceptions import ex
+from sickbeard.common import cpu_presets
 
 db_lock = threading.Lock()
 
@@ -99,7 +100,7 @@ class DBConnection:
                     if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
                         logger.log(u"DB error: " + ex(e), logger.WARNING)
                         attempt += 1
-                        time.sleep(1)
+                        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
                     else:
                         logger.log(u"DB error: " + ex(e), logger.ERROR)
                         raise
@@ -140,7 +141,7 @@ class DBConnection:
                     if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
                         logger.log(u"DB error: " + ex(e), logger.WARNING)
                         attempt += 1
-                        time.sleep(1)
+                        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
                     else:
                         logger.log(u"DB error: " + ex(e), logger.ERROR)
                         raise
@@ -178,7 +179,7 @@ class DBConnection:
                     if "unable to open database file" in e.args[0] or "database is locked" in e.args[0]:
                         logger.log(u"DB error: " + ex(e), logger.WARNING)
                         attempt += 1
-                        time.sleep(1)
+                        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
                     else:
                         logger.log(u"DB error: " + ex(e), logger.ERROR)
                         raise

sickbeard/generic_queue.py

@@ -18,7 +18,6 @@
 
 import datetime
 import threading
-import Queue
 
 from sickbeard import logger
 
@@ -27,13 +26,20 @@ class QueuePriorities:
     NORMAL = 20
     HIGH = 30
 
-class GenericQueue:
+class GenericQueue(object):
+
     def __init__(self):
+
         self.currentItem = None
+        self.queue = []
+
         self.thread = None
+
         self.queue_name = "QUEUE"
+
         self.min_priority = 0
-        self.queue = Queue.Queue()
+        
+        self.currentItem = None
 
     def pause(self):
         logger.log(u"Pausing queue")
@@ -45,7 +51,8 @@ class GenericQueue:
 
     def add_item(self, item):
         item.added = datetime.datetime.now()
-        self.queue.put(item)
+        self.queue.append(item)
+        
         return item
 
     def run(self, force=False):
@@ -58,31 +65,61 @@ class GenericQueue:
                 self.currentItem.finish()
                 self.currentItem = None
 
-            if not self.queue.empty():
-                queueItem = self.queue.get()
+            # if there's something in the queue then run it in a thread and take it out of the queue
+            if len(self.queue) > 0:
+
+                # sort by priority
+                def sorter(x,y):
+                    """
+                    Sorts by priority descending then time ascending
+                    """
+                    if x.priority == y.priority:
+                        if y.added == x.added:
+                            return 0
+                        elif y.added < x.added:
+                            return 1
+                        elif y.added > x.added:
+                            return -1
+                    else:
+                        return y.priority-x.priority
+
+                self.queue.sort(cmp=sorter)
+                
+                queueItem = self.queue[0]
+
                 if queueItem.priority < self.min_priority:
                     return
 
+                # launch the queue item in a thread
+                # TODO: improve thread name
                 threadName = self.queue_name + '-' + queueItem.get_thread_name()
                 self.thread = threading.Thread(None, queueItem.execute, threadName)
                 self.thread.start()
 
                 self.currentItem = queueItem
 
+                # take it out of the queue
+                del self.queue[0]
+
 class QueueItem:
-    def __init__(self, name, action_id=0):
+    def __init__(self, name, action_id = 0):
         self.name = name
+
         self.inProgress = False
+
         self.priority = QueuePriorities.NORMAL
+
         self.thread_name = None
+
         self.action_id = action_id
+        
         self.added = None
 
     def get_thread_name(self):
         if self.thread_name:
             return self.thread_name
         else:
-            return self.name.replace(" ", "-").upper()
+            return self.name.replace(" ","-").upper()
 
     def execute(self):
         """Implementing classes should call this"""

sickbeard/name_parser/parser.py

@@ -99,8 +99,6 @@ class NameParser(object):
 
         for (cur_regex_name, cur_regex) in self.compiled_regexes:
 
-            time.sleep(cpu_presets[sickbeard.CPU_PRESET])
-
             match = cur_regex.match(name)
 
             if not match:

sickbeard/search_queue.py

@@ -43,10 +43,8 @@ class SearchQueue(generic_queue.GenericQueue):
         self.queue_name = "SEARCHQUEUE"
 
     def is_in_queue(self, show, segment):
-        queue =  [x for x in self.queue.queue] + [self.currentItem]
-        for cur_item in queue:
-            if cur_item:
-                if cur_item.show == show and cur_item.segment == segment:
+        for cur_item in self.queue:
+            if isinstance(cur_item, BacklogQueueItem) and cur_item.show == show and cur_item.segment == segment:
                 return True
         return False
 
@@ -61,15 +59,13 @@ class SearchQueue(generic_queue.GenericQueue):
         return self.min_priority >= generic_queue.QueuePriorities.NORMAL
 
     def is_backlog_in_progress(self):
-        queue = [x for x in self.queue.queue] + [self.currentItem]
-        for cur_item in queue:
+        for cur_item in self.queue + [self.currentItem]:
             if isinstance(cur_item, BacklogQueueItem):
                 return True
         return False
 
     def is_dailysearch_in_progress(self):
-        queue = [x for x in self.queue.queue] + [self.currentItem]
-        for cur_item in queue:
+        for cur_item in self.queue + [self.currentItem]:
             if isinstance(cur_item, DailySearchQueueItem):
                 return True
         return False
@@ -113,7 +109,7 @@ class DailySearchQueueItem(generic_queue.QueueItem):
                 search.snatchEpisode(result)
 
                 # give the CPU a break
-                time.sleep(2)
+                time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
 
         generic_queue.QueueItem.finish(self)
 
@@ -142,7 +138,7 @@ class ManualSearchQueueItem(generic_queue.QueueItem):
                 self.success = search.snatchEpisode(searchResult[0])
 
                 # give the CPU a break
-                time.sleep(2)
+                time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
 
             else:
                 ui.notifications.message('No downloads were found',
@@ -190,7 +186,7 @@ class BacklogQueueItem(generic_queue.QueueItem):
                         search.snatchEpisode(result)
 
                         # give the CPU a break
-                        time.sleep(2)
+                        time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
 
                 else:
                     logger.log(u"No needed episodes found during backlog search for [" + self.show.name + "]")
@@ -237,7 +233,7 @@ class FailedQueueItem(generic_queue.QueueItem):
                                 search.snatchEpisode(result)
 
                                 # give the CPU a break
-                                time.sleep(2)
+                                time.sleep(common.cpu_presets[sickbeard.CPU_PRESET])
 
                         else:
                             logger.log(u"No valid episode found to retry for [" + epObj.prettyName() + "]")

sickbeard/show_queue.py

@@ -20,7 +20,6 @@ from __future__ import with_statement
 
 import traceback
 import threading
-import Queue
 
 import sickbeard
 
@@ -32,20 +31,13 @@ from sickbeard import generic_queue
 from sickbeard import name_cache
 from sickbeard.exceptions import ex
 
-show_queue_lock = threading.Lock()
-
 class ShowQueue(generic_queue.GenericQueue):
     def __init__(self):
-
         generic_queue.GenericQueue.__init__(self)
         self.queue_name = "SHOWQUEUE"
 
     def _isInQueue(self, show, actions):
-        shows = [x.show for x in self.queue.queue if x.action_id in actions] if not self.queue.empty() else []
-        if self.currentItem != None and self.currentItem.action_id in actions:
-            shows.append(self.currentItem)
-
-        return show in shows
+        return show in [x.show for x in self.queue if x.action_id in actions]
 
     def _isBeingSomethinged(self, show, actions):
         return self.currentItem != None and show == self.currentItem.show and \
@@ -79,11 +71,7 @@ class ShowQueue(generic_queue.GenericQueue):
         return self._isBeingSomethinged(show, (ShowQueueActions.SUBTITLE,))
 
     def _getLoadingShowList(self):
-        shows = [x for x in self.queue.queue if x != None and x.isLoading] if not self.queue.empty() else []
-        if self.currentItem != None and self.currentItem.isLoading:
-            shows.append(self.currentItem)
-        return shows
-
+        return [x for x in self.queue + [self.currentItem] if x != None and x.isLoading]
 
     loadingShowList = property(_getLoadingShowList)
 
@@ -187,9 +175,7 @@ class ShowQueueItem(generic_queue.QueueItem):
         self.show = show
 
     def isInQueue(self):
-        queue = [x for x in sickbeard.showQueueScheduler.action.queue.queue]
-        queue.append(sickbeard.showQueueScheduler.action.currentItem)
-        return self in queue
+        return self in sickbeard.showQueueScheduler.action.queue + [sickbeard.showQueueScheduler.action.currentItem] #@UndefinedVariable
 
     def _getName(self):
         return str(self.show.indexerid)

sickbeard/tv.py

@@ -862,6 +862,7 @@ class TVShow(object):
             logger.log(str(self.indexerid) + u": Obtained info from IMDb ->" + str(self.imdb_info), logger.DEBUG)
 
     def nextEpisode(self):
+
         logger.log(str(self.indexerid) + ": Finding the episode which airs next", logger.DEBUG)
 
         myDB = db.DBConnection()
@@ -872,7 +873,8 @@ class TVShow(object):
         sqlResults = myDB.select(query, params)
 
         if sqlResults == None or len(sqlResults) == 0:
-            logger.log(str(self.indexerid) + u": No episode found... need to implement show status", logger.DEBUG)
+            logger.log(str(self.indexerid) + u": No episode found... need to implement a show status",
+                       logger.DEBUG)
             return []
         else:
             logger.log(str(self.indexerid) + u": Found episode " + str(sqlResults[0]["season"]) + "x" + str(

sickbeard/webserve.py

@@ -54,7 +54,7 @@ from sickbeard import failedProcessor
 from sickbeard import network_timezones
 
 from sickbeard.providers import newznab, rsstorrent
-from sickbeard.common import Quality, Overview, statusStrings, qualityPresetStrings
+from sickbeard.common import Quality, Overview, statusStrings, qualityPresetStrings, cpu_presets
 from sickbeard.common import SNATCHED, SKIPPED, UNAIRED, IGNORED, ARCHIVED, WANTED, FAILED
 from sickbeard.common import SD, HD720p, HD1080p
 from sickbeard.exceptions import ex
@@ -3114,7 +3114,7 @@ class Home:
             ui.notifications.error("Unable to refresh this show.",
                                    ex(e))
 
-        time.sleep(3)
+        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
 
         redirect("/home/displayShow?show=" + str(showObj.indexerid))
 
@@ -3137,7 +3137,7 @@ class Home:
                                    ex(e))
 
         # just give it some time
-        time.sleep(3)
+        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
 
         redirect("/home/displayShow?show=" + str(showObj.indexerid))
 
@@ -3155,7 +3155,7 @@ class Home:
         # search and download subtitles
         sickbeard.showQueueScheduler.action.downloadSubtitles(showObj, bool(force))  # @UndefinedVariable
 
-        time.sleep(3)
+        time.sleep(cpu_presets[sickbeard.CPU_PRESET])
 
         redirect("/home/displayShow?show=" + str(showObj.indexerid))