func addMp3(ds *dataset.Dataset, filename string) {
id3, err := id3go.Open(filename)
if err != nil {
log.Fatalf("Failed to read id3 data from %s: %s\n", filename, err)
}
defer id3.Close()
mp3_file, err := os.Open(filename)
if err != nil {
log.Fatalf("Failed to open %s: %s\n", filename, err)
}
defer mp3_file.Close()
new_song := SongDef{
Title: id3.Title(),
Artist: id3.Artist(),
Album: id3.Album(),
Year: id3.Year(),
Mp3: types.NewBlob(bufio.NewReader(mp3_file)),
}.New()
songs := readSongsFromDataset(ds).Append(new_song)
if _, err := ds.Commit(songs); err == nil {
fmt.Println("Successfully committed", filename)
printSong(new_song)
} else {
log.Fatalf("Failed to commit: %s, error: %s\n", filename, err)
}
}
func generate(packageName, in, out, outDir string, written map[string]bool, parsed pkg.Parsed, localPkgs refSet, pkgDS dataset.Dataset) dataset.Dataset {
// Generate code for all p's deps first.
deps := generateDepCode(packageName, outDir, written, parsed.Package, localPkgs, pkgDS.Store())
generateAndEmit(getBareFileName(in), out, written, deps, parsed)
// Since we're just building up a set of refs to all the packages in pkgDS, simply retrying is the logical response to commit failure.
err := datas.ErrOptimisticLockFailed
for ; err == datas.ErrOptimisticLockFailed; pkgDS, err = pkgDS.Commit(buildSetOfRefOfPackage(parsed, deps, pkgDS)) {
}
return pkgDS
}
