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wanmen_ts_process.py
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wanmen_ts_process.py
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import os
from multiprocessing import Pool
import json
import requests as requestsP
from requests.adapters import HTTPAdapter
import pickle
requests = requestsP.Session()
requests.mount('http://', HTTPAdapter(max_retries=3))
requests.mount('https://', HTTPAdapter(max_retries=3))
import glob
import re
import time
import logging
# 第一步，创建一个logger
logger = logging.getLogger() # 定义对应的程序模块名name，默认是root
logger.setLevel(logging.INFO) # 指定最低的日志级别 critical > error > warning > info > debug
# 第三步，再创建一个handler,用于输出到控制台
ch = logging.StreamHandler()
ch.setLevel(logging.INFO) # 输出到console的log等级的开关
# 第四步，定义handler的输出格式
formatter = logging.Formatter('%(asctime)s - %(name)s - %(funcName)s - %(thread)s - %(levelname)s - %(message)s')
ch.setFormatter(formatter)
# 第五步，将logger添加到handler里面
logger.addHandler(ch)
log=logger
error_limit=1000000000000000
head_text_path='./head.txt'
class M3U8Info:
def __init__(self):
self.vd_url = ''
self.vd_size =''
self.vd_conetnt_json = ''
self.vd_name = ''
self.vd_media_id = ''
self.vd_duration = ''
self.vd_image = ''
self.course_name=''
self.course_files=[]
self.chapter = ''
self.section = ''
self.chapter_name = ''
self.section_title = ''
self.m3u8_content_json=''
self.chapterinfo_json=''
self.course_info_json=''
self.course_intr=''
self.chapter_list=[]
self.contents=[]
self.ts_files=[]
self.is_end=False
self.key_method=''
self.key_url=''
self.key=''
self.iv=''
self.m3u8_text=''
self.m3u8_file_name=''
def __setitem__(self, k, v):
self.k = v
def parse_heads_by_browser(head_str):
if head_str is None:
head_str='''
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Cache-Control: no-cache
Connection: keep-alive
Pragma: no-cache
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
'''
try:
heads={}
hs = head_str.split("\n")
hs = [h.strip() for h in hs if h.strip() != '']
for h in hs:
try:
parts = h.split(": ")
heads[parts[0].strip()] = parts[1].strip()
except Exception as ee:
pass
return heads
except Exception as e:
return {}
def get_new_head():
try:
log.error(f"需要获取新的head信息 head文件{head_text_path}")
f = open(head_text_path, 'r')
head = f.read()
f.close()
head = parse_heads_by_browser(head)
return head
except Exception as e:
log.error(f"需要获取新的head信息 head文件{head_text_path} 获取异常")
return {}
def process_dir_name(dir_path):
if not os.path.exists(dir_path):
os.makedirs(dir_path)
return dir_path
def download_get_text(url,head=None,cookie=None,isJson=False):
begin_time = time.time()
res=None
error = 0
head_not = '''
accept: */*
accept-encoding: gzip, deflate, br
accept-language: zh-CN,zh;q=0.9
cache-control: no-cache
origin: https://www.wanmen.org
pragma: no-cache
referer: https://www.wanmen.org/
sec-ch-ua: " Not;A Brand";v="99", "Google Chrome";v="97", "Chromium";v="97"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "macOS"
sec-fetch-dest: empty
sec-fetch-mode: cors
sec-fetch-site: same-site
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
'''
head_not = parse_heads_by_browser(head_not)
while error<error_limit and not res:
try:
if error % 5 == 0 and error!=0:
res = requests.get(url, timeout=60 * 4, headers=head_not, cookies=cookie)
else:
res = requests.get(url, timeout=60 * 4, headers=head, cookies=cookie)
if "401 Authorization Required" in res.text and res.status_code != 200:
log.error(f"访问401-{url}")
raise Exception("访问401")
elif res.status_code == 200:
log.info(f"访问url-{url}-耗时 {time.time() - begin_time}")
if isJson:
return json.loads(res.text)
return res.text
else:
if "x-token" in head:
log.error(f"{url} {res.status_code}")
head = get_new_head()
res=None
except Exception as e:
res = None
if "x-token" in head:
head = get_new_head()
finally:
error += 1
def download_file_or_get_bytes(url,save_file=None,head=None,cookie=None,isJson=False):
begin_time = time.time()
if save_file:
save_dir=process_dir_name(os.path.dirname(save_file))
save_file+="."+url.split(".")[-1]
res=None
error=0
while error<error_limit and not res:
try:
res = requests.get(url, timeout=60 * 4, headers=head, cookies=cookie)
if "401 Authorization Required" in res.text and res.status_code != 200:
log.error(f"下载401-{url}")
raise Exception("下载401")
elif res.status_code == 200:
if isJson:
return json.loads(res.text)
byte_list = res.content
if save_file:
with open(save_file, 'bw') as f:
f.write(byte_list)
f.flush()
log.info(f"下载文件-{save_file}-耗时 {time.time() - begin_time}")
return byte_list
else:
if "x-token" in head:
head = get_new_head()
res=None
except Exception as e:
res=None
if "x-token" in head:
head=get_new_head()
finally:
error+=1
class UnitBlock():
def __init__(self):
self.name=''
self.id=''
self.type=''
self.sons=[]
self.m3u8_text=''
self.content=''
self.m3U8Info=None
self.ts_name_base=''
def get_file_list_info(text,m3u8_file_name):
strs=text.split("\n")
tss=[]
is_end=False
key_method=''
key_url=''
for s in strs:
if "EXT-X-KEY" in s:
temps=s.split(",")
for temp_str in temps:
if "METHOD" in temp_str:
key_method=temp_str.split("=")[-1]
continue
if "URI=" in temp_str:
key_url=temp_str.replace("URI=","").replace('"',"")
continue
if ".ts" in s:
tss.append('https://media.wanmen.org/'+s)
if "EXT-X-ENDLIST" in s:
is_end=True
info=M3U8Info()
info.m3u8_file_name=m3u8_file_name
info.m3u8_text=text
info.ts_files=tss
info.is_end=is_end
info.key_method=key_method
info.key_url=key_url
return info
def process_name(name):
name=name.replace("\\", "_").replace(" ", "_")\
.replace("*", "_").replace("?", "_").replace("/", "_").replace(":", "_").replace('：','_').strip()
return name
def sort_ts_files(save_base_dir,m3u8_file_name):
if save_base_dir[-1]=='/':
save_base_dir=save_base_dir[0:-1]
fs=glob.glob(save_base_dir+"/"+m3u8_file_name+"*.ts",recursive=True)
fs_objs=[]
for f in fs:
if "_compose_ts" in f:
continue
num = int(re.findall(r"\d+\.?\d*", f.replace(m3u8_file_name, ''))[-1].replace(".", ""))
fs_objs.append({
'f':f,'num':num
})
fs_objs=sorted(fs_objs, key=lambda i: i['num'],reverse = False)
fs_objs=[f['f'] for f in fs_objs]
return fs_objs
def compose_ts(save_dir,m3u8_file_name):
fs=sort_ts_files(save_dir,m3u8_file_name)
save_dir=os.path.dirname(save_dir)
compose_ts_file=os.path.join(save_dir,m3u8_file_name+'_compose_ts.ts')
with open(compose_ts_file,'bw') as allf:
for f in fs:
if os.path.isdir(f):
continue
if f.split(".")[-1]!='ts':
continue
with open(f,'br') as onef:
bys=onef.read()
allf.write(bys)
allf.flush()
class WanMen():
def __init__(self,base_dir,header_str,mut_download_size=10):
self.mut_download_size=mut_download_size
self.base_dir=process_dir_name(base_dir)
self.header_str=header_str
def get_head(self):
heads = parse_heads_by_browser(self.header_str)
return heads
def get_m3u8_url(self,presentationVideo):
m3u8_file=None
if 'pcHigh' in presentationVideo:
m3u8_file=presentationVideo['pcHigh']
if 'pcLow' in presentationVideo and not m3u8_file:
m3u8_file=presentationVideo['pcLow']
if 'pcMid' in presentationVideo and not m3u8_file:
m3u8_file = presentationVideo['pcMid']
if 'mobileMid' in presentationVideo and not m3u8_file:
m3u8_file = presentationVideo['mobileMid']
if m3u8_file:
m3u8_file=m3u8_file.strip()
return m3u8_file
def download_chapter_content(self, chapter_list, course_name):
for chapteridx, chapter in enumerate(chapter_list):
chapter_dir = process_dir_name(
os.path.join(self.base_dir, course_name, (str(chapteridx + 1) + chapter.name)))
for sectionidx, section in enumerate(chapter.sons):
if section.type != 'video':
break
ts_file_path_base = os.path.join(chapter_dir, (str(sectionidx + 1) + section.name), "_ts_files_")
for ts in section.m3U8Info.ts_files:
ts_name = ts.split(".")[-2].split("/")[-1]
ts_file_path = os.path.join(ts_file_path_base, ts_name)
head = '''
accept: */*
accept-encoding: gzip, deflate, br
accept-language: zh-CN,zh;q=0.9
cache-control: no-cache
origin: https://www.wanmen.org
pragma: no-cache
referer: https://www.wanmen.org/
sec-ch-ua: " Not;A Brand";v="99", "Google Chrome";v="97", "Chromium";v="97"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "macOS"
sec-fetch-dest: empty
sec-fetch-mode: cors
sec-fetch-site: same-site
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
'''
download_file_or_get_bytes(ts, ts_file_path, parse_heads_by_browser(head), None)
# self.pool = Pool(self.mut_download_size)
# self.pool.apply_async(download_file_or_get_bytes, (ts, ts_file_path, parse_heads_by_browser(head), None,)) # 执行任务
# self.pool.close()
# self.pool.join()
compose_ts(ts_file_path_base, section.ts_name_base)
def get_chapter_content(self,chapter_list,course_name):
for chapteridx,chapter in enumerate(chapter_list):
chapter_dir=process_dir_name(os.path.join(self.base_dir,course_name,(str(chapteridx+1)+chapter.name)))
for sectionidx,section in enumerate(chapter.sons):
sid=section.id
surl=f'https://api.wanmen.org/4.0/content/lectures/{sid}?routeId=main'
error=0
while error<5:
try:
if section.type!='video':
break
sectionContent = download_get_text(surl, self.get_head(), None, True)
hls = sectionContent['hls']
hls = self.get_m3u8_url(hls)
m3basename = hls.split("?")[0].split("/")[-1].split(".")[0]
section.content = sectionContent
section.m3u8_text = download_get_text(hls, self.get_head())
section.m3U8Info = get_file_list_info(section.m3u8_text, sid)
ts_name_base = m3basename
section.ts_name_base = ts_name_base
break
except Exception as e:
pass
finally:
error+=1
def get_chapter_content_req(self,course_id):
section_url = f'https://api.wanmen.org/4.0/content/courses/{course_id}/catalogue'
lecturest = download_get_text(section_url,self.get_head(),None,True)
charpter_content=lecturest['lectures']
if len(charpter_content)<=0:
phases=lecturest['phases']
for ph in phases:
for lecture in ph['lectures']:
charpter_content.append(lecture)
chapter_list = []
for chpter in charpter_content:
block = UnitBlock()
block.name = process_name(chpter['name'])
block.id = chpter['_id'].strip()
sections_content = chpter['children']
for section in sections_content:
sblock = UnitBlock()
sblock.id = section['_id'].strip()
sblock.name = process_name(section['name'])
sblock.type = section['assetType'].strip() # video
sblock.sons = []
block.sons.append(sblock)
chapter_list.append(block)
return chapter_list
def get_course_content(self,link):
link=link.replace("?routeId=main","")
content_res=download_get_text(link,self.get_head(),None,True)
info=M3U8Info()
info.course_name=process_name(content_res['name'])
info.course_files=[{'name':process_name(f['name']),'link':f['url'].strip()}for f in content_res['documents']]
info.course_intr=content_res['description'].strip()
info.course_info_json=json.dumps(content_res,ensure_ascii=False)
course_base_dir = os.path.join(self.base_dir, info.course_name)
course_base_dir=process_dir_name(course_base_dir)
log.info(f"获取课程信息成功-{info.course_name}-开始解析章节")
course_id=content_res['_id']
info.chapter_list=self.get_chapter_content_req(course_id)
old_info=None
if os.path.exists(os.path.join(course_base_dir,'info.json')):
try:
with open(os.path.join(course_base_dir,'info.json'),'br') as of:
old_info=pickle.loads(of.read())
except Exception as ee:
old_info=None
pass
if not old_info:
log.info(f"{info.course_name}-解析章节成功-开始获取各个视频信息")
self.get_chapter_content(info.chapter_list,info.course_name)
log.info(f"{info.course_name}-获取各个视频信息-成功")
with open(os.path.join(course_base_dir, 'info.json'), 'bw') as f:
pickle.dump(info, f, 0)
f.flush()
else:
info=old_info
log.info(f"{info.course_name}-从缓存获取各个视频信息-成功")
log.info(f"{info.course_name}-解析章节成功-开始下载")
self.download_chapter_content(info.chapter_list,info.course_name)
log.info(f"{info.course_name}-视频下载成功")
for file in info.course_files:
file_path = os.path.join(course_base_dir, file['name'])
download_file_or_get_bytes(file['link'], file_path, self.get_head(), None)
log.info(f"{info.course_name}-文件下载成功")
def download_wanmen_one_course_warp(head,base_dir,link):
wanmen = WanMen(base_dir, head)
wanmen.get_course_content(link)
from flask import Flask,request as flask_request
if __name__ == '__main__':
head = '''
authorization: Bearer eyJhbGci
cache-control: no-cache
origin: https://www.wanmen.org
pragma: no-cache
referer: https://www.wanmen.org/
user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
x-app: uni
x-platform: web
x-sa: 9e2f
x-time: 623
x-token: bbc8
'''
base_dir = './wanmen_course'
my_book=True
mut_download_size=2
if my_book:
l='https://api.wanmen.org/4.0/content/v2/courses/60acbe86bf5ea22cc961b619'
download_wanmen_one_course_warp(head,base_dir,l)
else:
app = Flask(__name__)
@app.route('/wanmen', methods=['GET', 'POST'])
def xxxx():
base_dir = './wanmen_course'
link = flask_request.args.get('link')
if not link:
link = flask_request.form['link']
pool = Pool(mut_download_size)
pool.apply_async(download_wanmen_one_course_warp,
(head, base_dir,link,)) # 执行任务
pool.close()
pool.join()
app.run(host="0.0.0.0",port=60002)