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# -*- coding: utf-8 -*- | ||
# @Author: Catofes | ||
# @Date: 2015-08-15 | ||
''' | ||
Class to cache songs into local storage. | ||
''' | ||
from __future__ import absolute_import | ||
from __future__ import division | ||
from __future__ import print_function | ||
from __future__ import unicode_literals | ||
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from future import standard_library | ||
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standard_library.install_aliases() | ||
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import threading | ||
import os | ||
import queue | ||
import urllib.request | ||
import argparse | ||
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class Buffer: | ||
def __init__(self): | ||
self.tmp_file = "/tmp/music_box.mp3" | ||
self.tmp_pipe = "/tmp/music_box.pipe" | ||
self.buffer_size = 128 * 1024 | ||
self.queue = queue.Queue() | ||
self.music = None | ||
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def buffer(self, url): | ||
def download(): | ||
request = urllib.request.urlopen(url) | ||
with open(self.tmp_file, "wb") as f: | ||
try: | ||
while True: | ||
data = request.read(self.buffer_size) | ||
if not data: | ||
break | ||
self.queue.put(data) | ||
f.write(data) | ||
except: | ||
pass | ||
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def cache(): | ||
try: | ||
os.unlink(self.tmp_pipe) | ||
os.unlink(self.tmp_file) | ||
except: | ||
pass | ||
os.mkfifo(self.tmp_pipe) | ||
pipe_file = open(self.tmp_pipe, "wb") | ||
while True: | ||
data = self.queue.get() | ||
pipe_file.write(data) | ||
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download_thread = threading.Thread(target=download) | ||
download_thread.start() | ||
cache() | ||
download_thread.join() | ||
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if __name__ == '__main__': | ||
parser = argparse.ArgumentParser() | ||
parser.add_argument("-u", "--url") | ||
args = parser.parse_args() | ||
Buffer().buffer(args.url) |