259 lines
7.9 KiB
Python
259 lines
7.9 KiB
Python
import os
|
||
import re
|
||
import subprocess
|
||
import sys
|
||
import time
|
||
from threading import Thread, Event
|
||
import psutil
|
||
import streamlink
|
||
import youtube_dl
|
||
from common import logger
|
||
from common.timer import Timer
|
||
|
||
|
||
class DownloadBase:
|
||
url_list = None
|
||
|
||
def __init__(self, fname, url, suffix=None):
|
||
self.fname = fname
|
||
self.url = url
|
||
self.suffix = suffix
|
||
self.flag = None
|
||
self.ydl_opts = {}
|
||
|
||
def check_stream(self):
|
||
logger.debug(self.fname)
|
||
|
||
def download(self):
|
||
pass
|
||
|
||
def run(self):
|
||
file_name = self.file_name
|
||
self.ydl_opts = {'outtmpl': file_name}
|
||
if self.check_stream():
|
||
try:
|
||
logger.info('开始下载%s：%s' % (self.__class__.__name__, self.fname))
|
||
pid = os.getpid()
|
||
# t = Thread(target=self.kill_child_processes, args=(pid, file_name))
|
||
monitor = Monitoring(pid, file_name)
|
||
self.flag = monitor.flag
|
||
t = Thread(target=monitor.start)
|
||
t.start()
|
||
retval = self.download()
|
||
self.rename(file_name)
|
||
monitor.stop()
|
||
if retval != 0:
|
||
logger.info('准备递归下载')
|
||
self.run()
|
||
else:
|
||
logger.info('下载完成' + self.fname)
|
||
|
||
# except youtube_dl.utils.DownloadError:
|
||
# self.rename(file_name)
|
||
# logger.info('准备递归下载')
|
||
# self.run()
|
||
# except:
|
||
# logger.exception('?')
|
||
finally:
|
||
logger.info('退出下载')
|
||
return
|
||
|
||
@staticmethod
|
||
def rename(file_name):
|
||
try:
|
||
os.rename(file_name + '.part', file_name)
|
||
logger.info('更名{0}为{1}'.format(file_name + '.part', file_name))
|
||
except FileNotFoundError:
|
||
logger.info('FileNotFoundError:' + file_name)
|
||
except FileExistsError:
|
||
os.rename(file_name + '.part', file_name)
|
||
logger.info('FileExistsError:更名{0}为{1}'.format(file_name + '.part', file_name))
|
||
|
||
@property
|
||
def file_name(self):
|
||
file_name = '%s%s.%s' % (self.fname, str(time.time())[:10], self.suffix)
|
||
return file_name
|
||
|
||
|
||
class YDownload(DownloadBase):
|
||
# url_list = None
|
||
|
||
def __init__(self, fname, url, suffix='flv'):
|
||
super().__init__(fname, url, suffix)
|
||
|
||
def check_stream(self):
|
||
try:
|
||
self.get_sinfo()
|
||
return True
|
||
except youtube_dl.utils.DownloadError:
|
||
# logger.debug('%s未开播或读取下载信息失败' % self.key)
|
||
print('%s未开播或读取下载信息失败' % self.fname)
|
||
return False
|
||
|
||
def get_sinfo(self):
|
||
info_list = []
|
||
with youtube_dl.YoutubeDL() as ydl:
|
||
# cu = self.url.get(self.__class__.__name__)
|
||
if self.url:
|
||
info = ydl.extract_info(self.url, download=False)
|
||
else:
|
||
print('%s不存在' % self.__class__.__name__)
|
||
return
|
||
for i in info['formats']:
|
||
info_list.append(i['format_id'])
|
||
print(info_list)
|
||
return info_list
|
||
|
||
def download(self):
|
||
try:
|
||
self.dl()
|
||
except youtube_dl.utils.DownloadError:
|
||
return 1
|
||
return 0
|
||
|
||
def dl(self):
|
||
with youtube_dl.YoutubeDL(self.ydl_opts) as ydl:
|
||
# ydl.download([self.url[self.__class__.__name__]])
|
||
ydl.download([self.url])
|
||
|
||
|
||
class SDownload(DownloadBase):
|
||
def __init__(self, fname, url, suffix='mp4'):
|
||
super().__init__(fname, url, suffix)
|
||
self.stream = None
|
||
|
||
def check_stream(self):
|
||
streams = streamlink.streams(self.url)
|
||
try:
|
||
if streams:
|
||
self.stream = streams["best"]
|
||
fd = self.stream.open()
|
||
fd.close()
|
||
return True
|
||
except streamlink.StreamlinkError:
|
||
return
|
||
|
||
def download(self):
|
||
|
||
# fd = stream.open()
|
||
try:
|
||
with self.stream.open() as fd:
|
||
with open(self.ydl_opts['outtmpl'] + '.part', 'wb') as file:
|
||
for f in fd:
|
||
file.write(f)
|
||
if self.flag.is_set():
|
||
# self.flag.clear()
|
||
return 1
|
||
return 0
|
||
except OSError:
|
||
self.rename(self.ydl_opts['outtmpl'])
|
||
raise
|
||
|
||
|
||
class FFmpegdl(DownloadBase):
|
||
def download(self):
|
||
args = ['ffmpeg', '-y', '-i', self.ydl_opts['absurl'], '-c', 'copy', '-f', 'flv',
|
||
self.ydl_opts['outtmpl'] + '.part']
|
||
proc = subprocess.Popen(args, stdin=subprocess.PIPE)
|
||
try:
|
||
retval = proc.wait()
|
||
except KeyboardInterrupt:
|
||
if sys.platform != 'win32':
|
||
proc.communicate(b'q')
|
||
raise
|
||
return retval
|
||
|
||
|
||
class BatchCheckBase:
|
||
def __init__(self, pattern_id, urls):
|
||
self.usr_dict = {}
|
||
self.usr_list = []
|
||
self.pattern_id = pattern_id
|
||
for url in urls:
|
||
self.get_id(url)
|
||
|
||
def get_id(self, url):
|
||
m = re.match(self.pattern_id, url)
|
||
if m:
|
||
usr_id = m.group('id')
|
||
self.usr_dict[usr_id.lower()] = url
|
||
self.usr_list.append(usr_id)
|
||
|
||
def check(self):
|
||
pass
|
||
|
||
|
||
class Monitoring(Timer):
|
||
def __init__(self, parent_pid, file_name):
|
||
super().__init__(func=self.kill_child_processes)
|
||
self.parent = self.children = self.numc = None
|
||
self.parent_pid = parent_pid
|
||
self.file_name = file_name + '.part'
|
||
self.last_file_size = 0.0
|
||
self.flag = Event()
|
||
|
||
def terminate(self):
|
||
if self.numc == 0:
|
||
logger.error("ChildrenProcess doesn't exist")
|
||
else:
|
||
for process in self.children:
|
||
process.terminate()
|
||
# logger.info('下载卡死' + self.file_name)
|
||
|
||
def get_process(self, parent_pid):
|
||
try:
|
||
parent = psutil.Process(parent_pid)
|
||
except psutil.NoSuchProcess:
|
||
self.stop()
|
||
logger.error("Process doesn't exist")
|
||
return
|
||
children = parent.children(recursive=True)
|
||
numc = len(children)
|
||
return parent, children, numc
|
||
|
||
def kill_child_processes(self):
|
||
file_size = os.path.getsize(self.file_name) / 1024 / 1024 / 1024
|
||
if file_size <= self.last_file_size:
|
||
logger.error('下载卡死' + self.file_name)
|
||
if self.numc == 0:
|
||
self.parent.terminate()
|
||
else:
|
||
self.terminate()
|
||
time.sleep(1)
|
||
if os.path.isfile(self.file_name):
|
||
logger.info('卡死下载进程可能未成功退出')
|
||
return
|
||
else:
|
||
self.stop()
|
||
logger.info('卡死下载进程成功退出')
|
||
return
|
||
self.last_file_size = file_size
|
||
if file_size >= 2.5:
|
||
if self.numc == 0:
|
||
self.flag.set()
|
||
else:
|
||
self.terminate()
|
||
logger.info('分段下载' + self.file_name)
|
||
|
||
def __timer(self):
|
||
logger.info('获取到{0}，{1}'.format(self.parent_pid, self.file_name))
|
||
retry = 0
|
||
|
||
while not self._flag.wait(self.interval):
|
||
self.parent, self.children, self.numc = self.get_process(self.parent_pid)
|
||
if os.path.isfile(self.file_name):
|
||
self._func(*self._args, **self._kwargs)
|
||
else:
|
||
logger.info('%s不存在' % self.file_name)
|
||
if retry >= 2:
|
||
logger.info('找不到%s' % self.file_name)
|
||
return
|
||
retry += 1
|
||
# logger.info('监控<%s>线程退出' % self.file_name)
|
||
|
||
def start(self):
|
||
try:
|
||
self.__timer()
|
||
finally:
|
||
logger.info('退出监控<%s>线程' % self.file_name)
|