150 lines
4.0 KiB
Python
Executable File
150 lines
4.0 KiB
Python
Executable File
#!/bin/python2
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# only using python2 because mutagen
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from __future__ import print_function
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import os
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import os.path
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import sys
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import shutil
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import tempfile
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import mutagen
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import mutaext
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import convert
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# BUG: doesn't work with my .m4a files?
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goodexts = ('.mp3', '.m4a', '.flac', '.ogg')
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matchtags = ['artist', 'album', 'title']
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updatabletags = [\
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'albumartist', 'composer', 'comment' \
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'tracknumber', 'discnumber', \
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'genre', 'date', \
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]
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updatabletags.extend(mutaext.replaygain_tags)
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updatabletags.extend(mutaext.extra_tags)
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alltags = list(updatabletags)
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alltags.extend(matchtags)
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lament = lambda *args, **kwargs: print(*args, file=sys.stderr, **kwargs)
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walkfiles = lambda w: (os.path.join(r, f) for r, _, fs in w for f in fs)
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extof = lambda p: os.path.splitext(p)[1].lower()
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filterext = lambda ps, es: (p for p in ps if extof(p) in es)
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def shouldsync(md):
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rating = md.get('rating')
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sync = md.get('sync', u'')
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try:
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rating = int(rating[0])
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except (IndexError, ValueError):
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pass
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if sync:
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sync = sync[0].lower()
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return sync == 'yes' or type(rating) == int and rating >= 3 and sync != 'no' and sync != 'space'
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def fixmetadata(md):
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md['artist'] = md.get('artist', u"Unknown Artist")
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md['album'] = md.get('album', u"Unknown Album")
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if 'title' not in md:
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fn = os.path.basename(md.path)
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fn = os.path.splitext(fn)[0]
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# TODO: attempt to infer trackNum/discNum from fn
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md['title'] = unicode(fn)
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def findmatching(haystack, needle):
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matchme = [needle[t] for t in matchtags]
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ismatch = lambda hay: [hay[t] for t in matchtags] == matchme
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for match in (hay for hay in haystack if ismatch(hay)):
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if match.seen:
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# TODO: check other tags and filename and such?
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lament("Warning: duplicate match found:")
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lament(u"%(title)s by %(artist)s from %(album)s" % locals())
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match.seen = True
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return match
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def updatemetadata(mdold, mdnew):
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modified = False
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for tag in updatabletags:
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# checking for length b/c sometimes (ID3 genre) exists but empty
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if tag in mdnew and len(mdnew[tag]):
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if not tag in mdold or mdnew[tag][0] != mdold[tag][0]:
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mdold[tag] = mdnew[tag]
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modified = True
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elif tag in mdold:
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del mdold[tag]
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modified = True
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return modified
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def makefilename(md):
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title = md['title'][0]
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artist = md['artist'][0]
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album = md['album'][0]
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return u"%(artist)s - %(album)s - %(title)s.ogg" % locals()
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def run(args):
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if not len(args) in (2, 3):
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lament("I need a path or two!")
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return 1
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inonly = len(args) == 2
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tosync = []
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indir = args[1]
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paths = lambda dir: filterext(walkfiles(os.walk(dir)), goodexts)
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for p in paths(indir):
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md = mutagen.File(p, easy=True)
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if shouldsync(md):
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if inonly:
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print(p)
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else:
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# TODO: don't use custom members on external metadata class
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md.path = p
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md.seen = False
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fixmetadata(md)
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tosync.append(md)
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if inonly:
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return 0
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lament("Matching...")
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outdir = args[2]
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for p in paths(outdir):
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md = mutagen.File(p, easy=True)
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match = findmatching(tosync, md)
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if not match:
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print("DEL", p)
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os.remove(p)
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elif updatemetadata(md, match):
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print("UPD", p)
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md.save()
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for md in tosync:
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if md.seen:
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continue
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print("ADD", md.path)
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fout = os.path.join(outdir, makefilename(md))
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_, ftemp = tempfile.mkstemp()
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try:
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convert.ogg(md.path, ftemp)
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mdnew = mutagen.File(ftemp, easy=True)
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for tag in alltags:
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if tag in md:
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mdnew[tag] = md[tag]
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mdnew.save()
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shutil.copy2(ftemp, fout)
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finally:
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os.remove(ftemp)
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return 0
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ret = 0
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try:
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ret = run(sys.argv)
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except KeyboardInterrupt:
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sys.exit(1)
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sys.exit(ret)
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