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utile.py
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#!/usr/bin python3
# -*- coding: utf-8 -*-
# @Author: Naihe
# @Email: [email protected]
# @Software: Streaming-Media-Server-Pro
import asyncio
import datetime
import re
import time
from urllib.parse import quote
from loguru import logger
from threading import Thread
from apscheduler.triggers.interval import IntervalTrigger
from apscheduler.schedulers.background import BlockingScheduler, BackgroundScheduler
from apscheduler.executors.pool import ThreadPoolExecutor, ProcessPoolExecutor
from app.common.endecrypt import get4gtvurl
from app.common.gitrepo import agit
from app.common.generateEpg import postask, generateprog
from app.common.tools import genftlive, now_time, solvelive, generate_url, gdata
from app.modules.DBtools import redisState, cur, DB
from app.modules.request import request
from app.settings import repoaccess_token, xmlaccess_token, xmlowner, xmlrepo, PATH, localhost, repoState, HD, \
repoowner, idata, downurls, vbuffer, downchoose
class container:
def __init__(self):
self.repo = None
self.para = {}
self.filename = dict() # -1->redis | 0->downloading | 1->completed
self.owner = repoowner
if redisState:
# 读取redis数据到内存
keys = cur.keys()
_ = []
for k in keys: # 排除非电视节目
if "4gtv" in str(k) or "litv" in str(k):
_.append(k)
for key, value in zip(_, cur.mget(_)):
_ = eval(value)
if len(_) < 3:
continue
self.updatelocal(key, _)
logger.success("init final")
def updateonline(self, fid, hd):
url = get4gtvurl(fid, idata[fid]['nid'], hd)
try:
last = int(re.findall(r"expires.=(\d+)", url).pop())
start, seq, gap = genftlive(url)
except:
idata.pop(fid)
logger.warning(f"删除 {fid}")
return
if redisState:
cur.setex(fid, last - now_time(), str([url, last, start, seq, gap]))
self.para[fid] = {
"url": url,
"last": last,
"start": start,
"seq": seq,
"gap": gap
}
def updatelocal(self, fid, _):
self.para[fid] = {
"url": _[0],
"last": _[1],
"start": _[2],
"seq": _[3],
"gap": _[4]
}
def check(self, fid, hd):
"""
处理参数
:param fid:
:param hd:
:return:
"""
if not self.para.get(fid) or self.para.get(fid)['last'] - now_time() < 0: # 本地找
if redisState:
_temp = cur.get(fid)
if not _temp or eval(_temp)[1] - now_time() < 0: # redis找
self.updateonline(fid, hd)
else: # 找到放进内存
_ = eval(_temp)
self.updatelocal(fid, _)
else:
self.updateonline(fid, hd)
def generalfun(self, fid, hd):
"""
通用生成参数
:param fid:
:param hd:
:return:
"""
data = self.para.get(fid)
if "4gtv-4gtv" in fid or "litv-ftv10" in fid or "litv-longturn17" == fid or "litv-longturn18" == fid:
url = idata[fid][hd]
now = now_time()
seq = round((now - data['start']) / idata[fid]['x']) - 1
begin = (seq + data['seq']) * idata[fid]['x']
return data["gap"], (begin - idata[fid]['x1']) // idata[fid]['x'], url, begin
elif "4gtv-live" in fid:
token = re.findall(r"(token1=.*&expires1=\d+)&", data['url']).pop()
url = idata[fid]['url'] + "?" + token
now = now_time()
seq = solvelive(now, data['start'], data['seq'], idata[fid]['x']) - 1
return data["gap"], seq, url, 0
else:
url = idata[fid][hd]
now = now_time()
seq = solvelive(now, data['start'], data['seq'], idata[fid]['x']) - 1
return data["gap"], seq, url, 0
def generatem3u8(self, host, fid, hd):
self.check(fid, hd)
gap, seq, url, begin = self.generalfun(fid, hd)
yield f"""#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:{gap}
#EXT-X-ALLOW-CACHE:YES
#EXT-X-MEDIA-SEQUENCE:{seq}
#EXT-X-INDEPENDENT-SEGMENTS"""
for num1 in range(5):
yield f"\n#EXTINF:{idata[fid]['gap']}" \
+ "\n" + generate_url(fid, host, hd, begin + (num1 * idata[fid]['x']), seq + num1, url)
def new_generatem3u8(self, host, fid, hd, background_tasks):
self.check(fid, hd)
gap, seq, url, begin = self.generalfun(fid, hd)
if downchoose == "online":
background_tasks.add_task(backtaskonline, url, fid, seq, hd, begin, host)
elif downchoose == "local":
background_tasks.add_task(backtasklocal, url, fid, seq, hd, begin, host)
yield f"""#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:{gap}
#EXT-X-MEDIA-SEQUENCE:{seq}
#EXT-X-INDEPENDENT-SEGMENTS"""
tsname = fid + str(seq) + ".ts"
if tsname in self.filename and self.filename.get(tsname) == 1:
for num1 in range(vbuffer):
url = "\n" + localhost + f"/call.ts?fid={fid}&seq={str(seq + num1)}&hd={hd}"
yield f"\n#EXTINF:{idata[fid]['gap']}" + url
else:
for num1 in range(1):
url = "\n" + localhost + f"/call.ts?fid={fid}&seq={str(seq + num1)}&hd={hd}"
yield f"\n#EXTINF:{idata[fid]['gap']}" + url
def geturl(self, fid, hd):
self.check(fid, hd)
if "4gtv-live" not in fid:
return re.sub(r"(\w+\.m3u8)", "channel3.m3u8", self.para[fid]['url'])
else:
return re.sub(r"(\w+\.m3u8)", HD[hd], self.para[fid]['url'])
get = container()
def call_get(url, tsname):
with request.get(url) as res:
get.filename.update({tsname: 1})
def backtaskonline(url, fid, seq, hd, begin, host):
threads = []
# 分布式下载，改成你的链接，看不懂就去看我发布的教程
# urlset = ["https://www.example1.com/url3?url=", "https://www.example2.com/url3?url=",
# "https://www.example3.com/url3?url=", "https://www.example4.com/url3?url=",
# "https://www.example5.com/url3?url="]
urlset = downurls
for i in range(0, vbuffer):
tsname = fid + str(seq + i) + ".ts"
# .ts已下载或正在下载
if tsname in get.filename:
continue
get.filename.update({tsname: 0})
herf = generate_url(fid, host, hd, begin + (i * idata[fid]['x']), seq + i, url)
x = urlset.pop() + quote(herf) + f"&filepath={tsname}"
t = Thread(target=call_get, args=(x, tsname))
threads.append(t)
for i in range(len(threads)):
threads[i].start()
time.sleep(1 + i * 0.1)
# time.sleep(1)
for t in threads:
t.join()
def backtasklocal(url, fid, seq, hd, begin, host):
threads = []
# 本地多线程下载
for i in range(0, vbuffer):
tsname = fid + str(seq + i) + ".ts"
# .ts已下载或正在下载
if tsname in get.filename:
continue
get.filename.update({tsname: 0})
herf = generate_url(fid, host, hd, begin + (i * idata[fid]['x']), seq + i, url)
t = Thread(target=downvideo, args=(herf, tsname))
threads.append(t)
for i in range(len(threads)):
threads[i].start()
time.sleep(1.2 + i * 0.1)
for t in threads:
t.join()
def downvideo(url: str, filepath: str):
"""
本地下载存放到数据库
:param url:
:param filepath:
:return:
"""
header = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0",
"Accept-Encoding": "gzip, deflate, br",
}
a = time.time()
repo = str(datetime.date.today())
with request.get(url=url, headers=header) as res:
status = res.status_code
content = res.content
b = time.time()
sql = "insert into video(vname, vcontent, vsize) values(%s, %s, %s)"
a1 = DB(0).execute(sql, (filepath, content, len(content))) # 执行sql语句
get.filename.update({filepath: 1})
c = time.time()
return {
"总时长": round(c - a, 2),
"请求": round(b - a, 2),
"请求状态": status,
"上传": round(c - b, 2),
"上传状态": a1,
"字长": len(content),
"repo": repo
}
def gotask():
get.filename.clear()
if repoState:
import platform
if "Windows" in platform.platform():
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
asyncio.run(postask())
else:
new_loop = asyncio.new_event_loop()
asyncio.set_event_loop(new_loop)
loop = asyncio.get_event_loop()
task = asyncio.ensure_future(postask())
loop.run_until_complete(asyncio.wait([task]))
content = generateprog(gdata)
filepath = "4gtvchannel.xml"
agit(xmlaccess_token).update_repo_file(xmlowner, xmlrepo, filepath, content)
with open(PATH / "assets/EPG.xml", "wb") as f:
f.write(content)
logger.success("今日任务完成")
def sqltask():
# 保留最近100条缓存，避免长时间运行内存溢出
keys = list(get.filename)
keys.reverse()
_ = {}
if len(keys) > 100:
for i in range(len(keys)):
if i < 100:
_.update({keys[i]: get.filename.get(keys[i])})
get.filename = _
logger.success("删除完成")
def everyday(t=2):
executors = {
'default': ThreadPoolExecutor(5), # 名称为“default ”的ThreadPoolExecutor，最大线程20个
'processpool': ProcessPoolExecutor(2) # 名称“processpool”的ProcessPoolExecutor，最大进程5个
}
job_defaults = {
'coalesce': False, # 默认为新任务关闭合并模式（）
'max_instances': 3 # 设置新任务的默认最大实例数为3
}
scheduler = BlockingScheduler(timezone='Asia/Shanghai', executors=executors, job_defaults=job_defaults)
scheduler.add_job(gotask, 'cron', max_instances=10, day_of_week='0-6', hour=t, minute=00, second=00,
misfire_grace_time=120)
scheduler.add_job(func=sqltask, max_instances=10, trigger=IntervalTrigger(minutes=59), misfire_grace_time=120)
logger.info(scheduler.get_jobs())
scheduler.start()