Add art_file() property to PodcastEpisode, attempts to get the filename from the URL, if it fails uses guid.

Author: E.S. Rosenberg a.k.a. Keeper of the Keys

src/gpodder/model.py

@@ -45,6 +45,8 @@
 
 import minidb
 
+from urllib.parse import urlparse
+
 
 class NoHandlerForURL(Exception):
     pass
@@ -96,6 +98,7 @@ class EpisodeModelFields(minidb.Model):
     description_html = str
     episode_art_url = str
 
+
 class PodcastModelFields(minidb.Model):
     title = str
     url = str
@@ -462,6 +465,19 @@ def update_from_dict(self, episode_dict):
             if k in episode_dict:
                 setattr(self, k, episode_dict[k])
 
+    @property
+    def art_file(self):
+        if self.episode_art_url != None and self.episode_art_url != '':
+            filename = self.guid
+            try:
+                url = urlparse(self.episode_art_url)
+                filename = os.path.basename(url.path)
+            except:
+                logger.debug('urlparse failed for episode_art_url: %s', self.episode_art_url)
+
+            return os.path.join(self.podcast.save_dir, filename)
+        return None
+
 
 class PodcastChannel(PodcastModelFields, PodcastModelMixin):
     _common_prefix = str