switch to mutagenx and upgrade to python 3

mutagenx is about 13 times faster than mutagen!

mutaext.py

@@ -1,10 +1,10 @@
 from collections import MutableMapping
-import mutagen
-import mutagen.id3
-from mutagen.easyid3 import EasyID3
+import mutagenx
+import mutagenx.id3
+from mutagenx.easyid3 import EasyID3
 
 def popms(id3):
-    for k, v in id3.iteritems():
+    for k, v in id3.items():
         if k.startswith('POPM'):
             yield k, v
 
@@ -29,11 +29,11 @@ def rating_get(id3, key):
         rating = id3['TXXX:RATING']
     except KeyError:
         try:
-            _, popm = popms(id3).next()
+            _, popm = next(popms(id3))
         except StopIteration:
             return []
         else:
-            return [unicode(byte2rating(popm.rating))]
+            return [str(byte2rating(popm.rating))]
     else:
         return list(rating.text)
 
@@ -48,7 +48,7 @@ def _canconv(r):
 def rating_set(id3, key, val):
     rating_delete(id3, key)
     if _canconv(val):
-        popm = mutagen.id3.POPM()
+        popm = mutagenx.id3.POPM()
         popm.email = "Windows Media Player 9 Series"
         popm.count = 0
         popm.rating = rating2byte(int(val))
@@ -56,7 +56,7 @@ def rating_set(id3, key, val):
     else:
         if 'TXXX:RATING' in id3:
             del(id3['TXXX:RATING'])
-        id3.add(mutagen.id3.TXXX(encoding=3, desc='RATING', text=unicode(val)))
+        id3.add(mutagenx.id3.TXXX(encoding=3, desc='RATING', text=str(val)))
 
 def rating_delete(id3, key):
     for k, v in popms(id3):
@@ -81,7 +81,7 @@ class SyncFile(MutableMapping):
     and a sense of self-importance"""
 
     def __init__(self, path):
-        self.md = mutagen.File(path, easy=True)
+        self.md = mutagenx.File(path, easy=True)
         self.path = path
         self.seen = False
 
@@ -95,7 +95,7 @@ class SyncFile(MutableMapping):
             raise KeyError(key)
 
     def __setitem__(self, key, value):
-        if type(value) != unicode:
+        if type(value) != str:
             raise ValueError
         self.md[key] = [value]
 

unsync.py

@@ -1,7 +1,4 @@
-#!/bin/python2
-
-# only using python2 because mutagen
-from __future__ import print_function
+#!/bin/python
 
 import os
 import os.path
@@ -32,11 +29,11 @@ lament = lambda *args, **kwargs: print(*args, file=sys.stderr, **kwargs)
 walkfiles = lambda w: (os.path.join(r, f) for r, _, fs in w for f in fs)
 extof = lambda p: os.path.splitext(p)[1].lower()
 filterext = lambda ps, es: (p for p in ps if extof(p) in es)
-ansty = lambda u: str(u.decode('ascii', errors='replace').replace(u'\ufffd', '?'))
+ansty = lambda u: str(u.decode('ascii', errors='replace').replace('\ufffd', '?'))
 
 def shouldsync(md):
-    rating = md.get('rating', u'')
-    sync = md.get('sync', u'')
+    rating = md.get('rating', '')
+    sync = md.get('sync', '')
     try:
         rating = int(rating)
     except ValueError:
@@ -47,12 +44,12 @@ def shouldsync(md):
     return sync == 'yes' or type(rating) == int and rating >= 3 and sync != 'no' and sync != 'space'
 
 def fixmetadata(md):
-    md['artist'] = md.get('artist', u"Unknown Artist")
-    md['album'] = md.get('album', u"Unknown Album")
+    md['artist'] = md.get('artist', "Unknown Artist")
+    md['album'] = md.get('album', "Unknown Album")
     if 'title' not in md:
         fn = os.path.basename(md.path)
         fn = os.path.splitext(fn)[0]
-        md['title'] = unicode(fn)
+        md['title'] = str(fn)
 
 def findmatching(haystack, needle):
     matchme = [needle[t].lower() for t in matchtags]
@@ -97,8 +94,7 @@ def run(args):
 
     tosync = []
     indir = args[1]
-    _paths = lambda dir: filterext(walkfiles(os.walk(dir)), goodexts)
-    paths = lambda dir: _paths(unicode(dir).encode('utf-8'))
+    paths = lambda dir: filterext(walkfiles(os.walk(dir)), goodexts)
 
     for p in paths(indir):
         md = SyncFile(p)
@@ -124,8 +120,6 @@ def run(args):
         elif updatemetadata(md, match):
             print("UPD", p)
             md.md.save()
-        else:
-            print("___", p)
 
     lament("[beginning tosync]")
     for md in tosync: