Added keepSeason tag to keep only the latest season

tools/plex-autodelete.py

@@ -6,18 +6,18 @@ This comes in handy when you have a show you keep downloaded, but do not
 religiously keep every single episode that is downloaded.
 
 Usage:
-Intended usage is to add one of the tags keep5', keep10, keep15, to any show
-you want to have this behaviour. Then simply add this script to run on a schedule
-and you should be all set.
+Intended usage is to add one of the tags keep5, keep10, keep15, keepSeason, to
+any show you want to have this behaviour. Then simply add this script to run on
+a schedule and you should be all set.
 
 Example Crontab:
-*/5 * * * * /home/atodd/plex-autodelete.py >> /home/atodd/plex-autodelete.log 2>&1
+@daily /home/atodd/plex-autodelete.py >> /home/atodd/plex-autodelete.log 2>&1
 """
 import os
 from datetime import datetime
 from plexapi.server import PlexServer
 
-TAGS = {'keep5':5, 'keep10':10, 'keep15':15}
+TAGS = {'keep5':5, 'keep10':10, 'keep15':15, 'keepSeason':'season'}
 datestr = lambda: datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 
 
@@ -28,7 +28,6 @@ def delete_episode(episode):
                 filepath = mediapart.file
                 print('%s Deleting %s.' % (datestr(), filepath))
                 os.unlink(filepath)
-                # Check the parent directory is empty
                 dirname = os.path.dirname(filepath)
                 if not os.listdir(dirname):
                     print('%s Removing empty directory %s.' % (datestr(), dirname))
@@ -37,18 +36,42 @@ def delete_episode(episode):
                 print('%s Error deleting %s; %s' % (datestr(), filepath, err))
 
 
-if __name__ == '__main__':
-    print('%s Starting plex-markwatched script..' % datestr())
+def keep_episodes(show, keep):
+    """ Delete all but last count episodes in show. """
+    deleted = 0
+    print('%s Cleaning %s to %s episodes.' % (datestr(), show.title, keep))
+    sort = lambda x:x.originallyAvailableAt or x.addedAt
+    items = sorted(show.episodes(), key=sort, reverse=True)
+    for episode in items[keep:]:
+        delete_episode(episode)
+        deleted += 1
+    return deleted
+
+
+def keep_season(show, keep):
+    """ Keep only the latest season. """
+    deleted = 0
+    print('%s Cleaning %s to latest season.' % (datestr(), show.title))
+    for season in show.seasons()[:-1]:
+        for episode in season.episodes():
+            delete_episode(episode)
+            deleted += 1
+    return deleted
+
+
+def auto_delete():
+    print('\n%s Starting plex-autodelete script..' % datestr())
     plex = PlexServer()
     for section in plex.library.sections():
         if section.type in ('show',):
-            episodes_deleted = 0
+            deleted = 0
             for tag, keep in TAGS.items():
+                func = keep_season if keep == 'season' else keep_episodes
                 for show in section.search(collection=tag):
-                    print('%s Cleaning %s to %s items.' % (datestr(), show.title, keep))
-                    items = sorted(show.episodes(), key=lambda x:x.originallyAvailableAt or x.addedAt, reverse=True)
-                    for episode in items[keep:]:
-                        delete_episode(episode)
-                        episodes_deleted += 1
-            if episodes_deleted:
+                    deleted += func(show, keep)
+            if deleted:
                 section.update()
+
+
+if __name__ == '__main__':
+    auto_delete()