def __init__(self, url, save_or_embed, exclude, download_folder_name):
self.config = {
"url": url,
"save_or_embed": save_or_embed,
"exclude": exclude,
"download_folder_name": download_folder_name
}
data = self._get_data()
show_status("sorting data")
self.album_artist = data["_"]["artist"]
self.art_url = data["_"]["artFullsizeUrl"]
self.artist = data["_"]["artist"]
self.title = data["_"]["current"]["title"]
self.total_tracks = len(data["_"]["trackinfo"])
self.tracks = []
self.year = data["_"]["album_release_date"].split(" ")[2]
for track in data["_"]["trackinfo"]:
self.tracks.append({
"track_num": int(track["track_num"]),
"title": track["title"],
"url": track["file"]["mp3-128"]
})
show_status(status = "%green%done")
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 _mk_cd(self, dir_name):
"""
> create and cd into a dir_name provided
"""
try:
show_status("creating directory \"%dim%{0}%bright%\"".format(dir_name))
os.makedirs(dir_name)
show_status(status = "%green%done")
except FileExistsError:
show_status(status = "%yellow%already exists")
except (PermissionError, OSError):
show_status(status = "%red%failed")
sys.exit(1)
os.chdir(dir_name)
def _get_data(self, user_agent=None):
"""
> parse bandcamp.com and return relevant information
"""
user_agent = user_agent or "Mozilla/5.0 (compatible; MSIE 9.0;" \
" Windows NT 6.1; Win64; x64; Trident/5.0)"
headers = {
"User-Agent": user_agent
}
try:
show_status("downloading webpage")
req = Request(self.config["url"], headers = headers)
response = urlopen(req)
encoded_page = response.read()
page = encoded_page.decode()
response.close()
show_status(status = "%green%done")
except URLError as e:
if hasattr(e, "reason"):
show_status(status = "%red%failed to reach a server." \
" reason: \"{0}\"".format(e.reason))
elif hasattr(e, "code"):
show_status(status = "%red%server couldn't fulfil the request." \
" code: \"{0}\"".format(e.code))
sys.exit(1)
show_status("stripping page")
page = page.split("var TralbumData = {\n")[-1]
page = page[0:page.index("};")]
show_status(status = "%green%done")
data = jsobj.read_js_object("var _ = {" + page + "};")
return data
