def _download_art(self):
"""
> download album artwork using the wgetter module
* file is renamed to "front.jpg"
"""
try:
pretty_print("%green%downloading %reset%artwork")
raw_file = wgetter.download(self.art_url)
os.rename(raw_file, "front.jpg")
except (FileNotFoundError, FileExistsError):
pretty_print("%red%failed %reset%to download or rename artwork")
finally:
if os.path.isfile(raw_file):
os.remove(raw_file)
def _download_tracks(self):
"""
> download tracks using the wgetter module
* files are renamed to "{trackno}. {trackname}.mp3"
"""
for track in self.tracks:
if track["track_num"] in self.config["exclude"]:
pretty_print("%red%skipping %reset%track #{0} \"{1}\"".format(
track["track_num"], track["title"])
)
continue
pretty_print("%green%downloading %reset%track #{0} \"{1}\"".format(
track["track_num"], track["title"])
)
raw_file = wgetter.download("http:" + track["url"])
new_file = "{0}. {1}.mp3".format(track["track_num"], track["title"])
os.rename(raw_file, new_file)
self._write_tags(new_file, track["track_num"])
def _embed_art(self):
"""
> embed album artwork into each track
* artwork is temporarily downloaded first, and removed later
* artwork is embed with the mutagen library
"""
pretty_print("%dim%downloading temporary artwork to embed")
raw_file = wgetter.download(self.art_url)
artwork_data = open(raw_file, "rb").read()
all_tracks = [file for file in os.listdir() if \
os.path.splitext(file)[1] == ".mp3"]
for track in all_tracks:
muta_track = mutagen.mp3.MP3(track)
muta_track["APIC:Cover"] = mutagen.id3.APIC(
encoding=3,
mime="image/jpeg",
type=3,
desc="Cover",
data=artwork_data
)
muta_track.save()
pretty_print("%dim%embeded artowork for track \"{0}\"".format(track))
try:
os.remove(raw_file)
pretty_print("%dim%deleted temporary artwork")
except (PermissionError, OSError):
show_status("%dim%%red%failed %reset%to delete temporary art file " + raw_file)
def _write_tags(self, filename, track_num):
"""
> write ID3 tags to .mp3 files
"""
pretty_print("writing id3 tags for file \"{0}\"".format(filename))
track_num_index = track_num - 1
tags = {
# "KEY": (tag, "tag name")
"TALB": (self.title, "album"),
"TIT2": (self.tracks[track_num_index]["title"], "title"),
"TPE1": (self.artist, "artist"),
"TPE2": (self.album_artist, "album artist"),
"TRCK": ("{0}/{1}".format(self.tracks[track_num_index]["track_num"],
self.total_tracks), "track no./total"),
"TYER": (self.year, "year")
}
track = mutagen.mp3.MP3(filename)
for tag, (value, name) in tags.items():
track[tag] = getattr(mutagen.id3, tag)(encoding=3, text=value)
print("- {0}: \"{1}\"".format(name, value))
track.save()
