def _download_list_songs_to_file(self,
song_urls,
save_path_list,
total=None):
'''
批量通过歌曲的url list 下载歌曲到本地
:param song_urls: 歌曲 download url list
:param save_path_list: 歌曲保存地址list
:return:
'''
n = len(song_urls)
if n != len(save_path_list):
raise ParamsError(
"len(song_urls) must be equal to len(save_path_list)!")
for i in range(n):
Helper.download_network_resource(song_urls[i], save_path_list[i])
if total is None:
self.logger.info("Download %d/%d %s to %s!" %
(i + 1, n, song_urls[i], save_path_list[i]))
else:
# 加锁,更新计数器
if self.lock.acquire():
self.no_counter += 1
self.logger.info("Download %d/%d %s to %s!" %
(self.no_counter, total, song_urls[i],
save_path_list[i]))
self.lock.release()
def download_play_list_songs(self, play_list_id, limit=1000):
'''
下载歌单中的全部歌曲,单线程
:param play_list_id: 歌单id
:param limit: 下载的最大数量
:return:
'''
start_time = time.time()
# 获取歌单详情
res = self.get_play_list_detail(play_list_id, limit).json()
songs_id_list = []
# 获取歌单歌曲id list
for content in res['playlist']["trackIds"]:
songs_id_list.append(content['id'])
# 歌单名字
play_list_name = res['playlist']['name']
# 歌单下载音乐保存地址
save_path = os.path.join(Constants.PLAY_LIST_SAVE_DIR, play_list_name)
Helper.mkdir(save_path)
# 获取歌曲名+歌手名字符串列表
songs_name_and_singer_name_str_list = self.get_songs_name_and_singer_name_str_list_by_ids_list(
songs_id_list)
# 获取歌曲下载url list
urls_list = self.get_download_urls_by_ids(songs_id_list)
# 全部歌曲数目
total = len(urls_list)
self.logger.info("play list %s has total %d songs!" %
(play_list_name, total))
self.logger.info(
"(single thread)Now start download musics of %s(save path is:%s):"
% (play_list_name, save_path))
for index, url in enumerate(urls_list, 1):
try:
Helper.download_network_resource(
url,
os.path.join(
save_path, "%s.mp3" %
songs_name_and_singer_name_str_list[index - 1]))
self.logger.info(
"Successfully download %d/%d(%s)!" %
(index, total,
songs_name_and_singer_name_str_list[index - 1]))
except Exception:
self.logger.info(
"Fail download %d/%d(%s)!" %
(index, total,
songs_name_and_singer_name_str_list[index - 1]))
continue
end_time = time.time()
self.logger.info(
"It costs %.2f seconds to download play list %s(id=%s)'s %d songs to %s "
"using single thread!" % ((end_time - start_time), play_list_name,
play_list_id, total, save_path))
def download_singer_hot_songs_by_name(self, singer_name):
'''
通过输入歌手名字来下载歌手的全部热门歌曲,单线程实现
:param singer_name: 歌手名字
:return:
'''
start_time = time.time()
# 热门歌曲保存地址
save_path = os.path.join(Constants.SINGER_SAVE_DIR, singer_name,
Constants.HOT_SONGS_SAVE_NAME)
# 根据名字得到歌手id
uid = self.get_singer_id_by_name(singer_name)
# 歌手主页地址
singer_url = "http://music.163.com/artist?id=%d" % uid
# 歌手全部热门歌曲id list
hot_songs_ids = Helper.get_singer_hot_songs_ids(singer_url)
# 通过歌曲id得到下载url
urls_list = self.get_download_urls_by_ids(hot_songs_ids)
# 通过歌曲id获得歌曲名
songs_name_and_singer_name_str_list = self.get_songs_name_and_singer_name_str_list_by_ids_list(
hot_songs_ids)
# 全部热门歌曲数
total = len(urls_list)
Helper.mkdir(save_path)
self.logger.info("%s has total %d hot songs!" % (singer_name, total))
self.logger.info(
"(single thread)Now start download hot musics of %s(save path is:%s):"
% (singer_name, save_path))
for index, url in enumerate(urls_list, 1):
try:
# 下载
Helper.download_network_resource(
url,
os.path.join(
save_path, "%s.mp3" %
songs_name_and_singer_name_str_list[index - 1]))
self.logger.info(
"Successfully download %d/%d(%s)!" %
(index, total,
songs_name_and_singer_name_str_list[index - 1]))
except Exception:
self.logger.info(
"Fail download %d/%d(%s)!" %
(index, total,
songs_name_and_singer_name_str_list[index - 1]))
continue
end_time = time.time()
self.logger.info(
"It costs %.2f seconds to download singer %s's %d hot songs to %s "
"using single thread!" %
((end_time - start_time), singer_name, total, save_path))