Add dry run capibilities

Named no-dedup because dry-run is planned to do something else
over on feature/rpc

automagnet.py

@@ -35,6 +35,9 @@ class Resolution:
 		else:
 			raise ValueError("Did not recongnize resolution name. See Resolution.names")
 
+	def getNormalizedName(self):
+		return self.family[0]
+
 	# Rich comparison support
 	def __lt__(self, other):
 		if not isinstance(other, Resolution):
@@ -108,7 +111,8 @@ class Torrent:
 @click.command()
 @click.option('--config', 'config_path', type=click.Path(readable=True, dir_okay=False), default='config.json', help="Config file in JSON format.", )
 @click.option('--seen-file', 'seen_path', type=click.Path(writable=True, dir_okay=False), default='seen.txt', help="File to store seen torrents in. Pruning is acceptable if pruned torrent id's will not appear in the RSS feeds.")
-def main(config_path='config.json', seen_path='seen.txt'):
+@click.option('--no-dedup', 'no_seen', type=click.BOOL, is_flag=True, default=False, help="Don't save seen torrents to the seen file.")
+def main(config_path='config.json', seen_path='seen.txt', no_seen=False):
 	# Get our config
 	with open(config_path, 'r') as config_file:
 		config_json = ''.join(config_file.readlines())
@@ -166,17 +170,18 @@ def main(config_path='config.json', seen_path='seen.txt'):
 			torrents = [torrent for torrent in torrents if torrent.quality >= Resolution(item_config['min-quality'])]
 
 		if len(torrents) > 0:
-			best_entry = sorted(torrents, key=lambda t: t.quality)[0]
+			best_entry = sorted(torrents, key=lambda t: t.quality, reverse=True)[0]
 			# Output the magnet / torrent link
-			printe("Choosing {torrent} as best choice for {show}".format(torrent=torrent.id, show=show.name))
+			printe("Choosing {torrent} as best choice for {show} (quality: {res})".format(torrent=best_entry.id, show=show.name, res=best_entry.quality.getNormalizedName()))
 			# TODO: transmission-cli subprocess call here?
 			print(best_entry.link)
 		else:
 			printe("No torrents for {show} pass quality restrictions".format(show=show.name))
 
 	# Save our records to a file for later use
-	with open(seen_path, 'w') as seen_file:
-		seen_file.write('\n'.join(seen))
+	if not no_seen:
+		with open(seen_path, 'w') as seen_file:
+			seen_file.write('\n'.join(seen))
 
 # Usual python stuff
 if __name__ == '__main__':