audiotags
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FR: support for X/Y style TRACKNUMBER
I have FLAC files which look like this:
$ metaflac --list Aphex_Twin/Chosen_Lords/02-Reunion_2.flac
METADATA block #0
type: 0 (STREAMINFO)
is last: false
length: 34
minimum blocksize: 4608 samples
maximum blocksize: 4608 samples
minimum framesize: 761 bytes
maximum framesize: 16014 bytes
sample_rate: 44100 Hz
channels: 2
bits-per-sample: 16
total samples: 13932660
MD5 signature: 169d402100e8b2b7f4a34be8f6e69d42
METADATA block #1
type: 4 (VORBIS_COMMENT)
is last: false
length: 262
vendor string: reference libFLAC 1.2.1 20070917
comments: 9
comment[0]: album=Chosen Lords
comment[1]: discid=820d4b0a
comment[2]: title=Reunion 2
comment[3]: artist=Aphex Twin
comment[4]: albumartist=Aphex Twin
comment[5]: musicbrainz_discid=38zPtfQswmOKtZtgzc8Q3KV2KNo-
comment[6]: artistsort=Aphex Twin
comment[7]: date=2006-04-10
comment[8]: tracknumber=2/10
METADATA block #2
type: 1 (PADDING)
is last: true
length: 1006
audiotags's call to track_number() returns None in this case. I would prefer if it returnes Some(2).
My understanding is that this use of TRACKNUMBER may be non-standard but it's not uncommon. A number of other tools (easytags, for example) work successfully with files like this.
I know this is an older issue, but I wanted to chime in on this.
It's definitely not an uncommon use-case. ototoy, for example, tags all their flacs with the %n/%x
format for TRACKNUMBER
. Also, it's common for vinyl recordings to be tagged with A1
or B1
as the TRACKNUMBER
.
The vorbis comment spec does not specify that any of the fields need to be in a specific format, or that TRACKNUMBER
should be an integer.
It might be complicated to change the return type of tag.track_number
, but I think it makes sense for the tool to support what appears to be a common tag format.