Don't save TRACKNUMBER.

[flac-archive] / rewrite-tags

diff --git a/rewrite-tags b/rewrite-tags
index 84eb1f8b1bda519e88ff2a8476636736cedd235f..e164f3f634156b5bc2daffb3ce6a387781377a22 100755 (executable)
--- a/rewrite-tags
+++ b/rewrite-tags
@@ -3,29 +3,33 @@
 import sys
 from subprocess import Popen, PIPE
 
-from org.diplodocus.util import run_or_die
-
 from flac_archive.tags import Tags
 
 class SubprocessError(Exception):
-    def __init__(self, status, stderr=None):
+    def __init__(self, status, command=None, stderr=None):
+        if command is None:
+            command_msg = None
+        else:
+            command_msg = ': ' + ' '.join(command)
         if status < 0:
-            msg = 'exited due to signal %d'
+            msg = 'exited due to signal %d%s'
         else:
-            msg = 'exit status %d'
-        Exception.__init__(self, msg % (abs(status),))
+            msg = 'exit status %d%s'
+        Exception.__init__(self, msg % (abs(status), command_msg))
         self.status = status
+        self.command = command
         self.stderr = stderr
 
 def get_tags(fn):
     tags = Tags()
-    p = Popen(['metaflac', '--no-utf8-convert', '--export-tags-to=-', fn],
-              stdout=PIPE)
+
+    command = ['metaflac', '--no-utf8-convert', '--export-tags-to=-', fn]
+    p = Popen(command, stdout=PIPE)
     tags.load(p.stdout)
 
     status = p.wait()
     if status != 0:
-        raise SubprocessError(status, p.stderr)
+        raise SubprocessError(status, command=command, stderr=p.stderr)
 
     return tags
 
@@ -39,10 +43,15 @@ def do_read(filenames):
     for fn in filenames:
         tags = get_tags(fn)
         track_tags = tags.get('TRACKNUMBER')
+        # this check belongs in Tags
         if len(track_tags) != 1:
-            raise Exception('bogus TRACKNUMBER %s for %s' % (track_tags, fn))
+            sys.stderr.write('bogus TRACKNUMBER %s: %s\n' % (track_tags, fn))
+            return 3
         track = int(track_tags[0])
         for tag, values in tags._global.iteritems():
+            # Makes no sense to save TRACKNUMBER in coll_tags.
+            if tag == 'TRACKNUMBER':
+                continue
             for value in values:
                 if tag in all_tags:
                     all_tags[tag].add(value)
@@ -57,6 +66,34 @@ def do_read(filenames):
             for track, tags in coll_tags._tracks.iteritems():
                 del tags[tag]
     print '\n'.join(coll_tags.all())
+    return 0
+
+def do_write(args):
+    tags = Tags()
+    tags.load(open(args.pop(0)))
+    if len(args) != len(tags):
+        sys.stderr.write('expected %d flac files, got %d\n'
+                         % (len(tags), len(args)))
+        return 4
+    artist = tags.get_path_safe('ARTIST')
+    album = tags.get_path_safe('ALBUM'),
+    try:
+        os.mkdir(artist)
+    except OSError, e:
+        if e.errno != EEXIST:
+            raise
+    album_path = artist + '/' + album
+    try:
+        os.mkdir(album_path)
+    except OSError, e:
+        if e.errno != EEXIST:
+            raise
+    for i, old_fn in enumerate(args):
+        track = i + 1
+        fn = '%s/%s/%s.flac' % (artist, album, tags.make_filename(track))
+        if fn != old_fn:
+            #os.rename(old_fn, fn)
+            pass
 
 def main(args):
     if len(args) < 3: