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python爬音乐网站_用 Python 爬取 QQ 音乐全部歌曲

發布時間：2025/3/15 python 20 豆豆

生活随笔收集整理的這篇文章主要介紹了 python爬音乐网站_用 Python 爬取 QQ 音乐全部歌曲小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

前景介紹

最近小伙伴們聽歌的興趣大漲，網抑云綜合癥已經遍布各地。

咱們再來抬高一波QQ音樂的熱度吧。

土豪充綠鉆和刷永久綠鉆的除外(me)

爬它

目標：https://y.qq.com/portal/singer_list.html

任務：將A到Z的歌手以及全部頁數的歌存到本地和數據庫

觀察網頁url結構

當我們進入網頁時發現此時是一個無參數的html網頁加載。

尋找我們想要拿到的位置尋找變化，但我們點擊A開頭的網頁跳轉時，發現 url 改變了，index 參數應該是首字母，page 參數應該是頁數變化。

這樣的話就減少一個找參數的時間啦。

找到XML

還是習慣的點開檢查按鍵，找到首字母的作者提供的XML都需要什么參數，隨便點點A-Z發現 XML 有一個請求蹦出來，里面返回了是個 json 數據集，都點開看看發現找到了每個作者的參數了。成功了一小半！

既然拿到了XML的網站，POST請求是一定的啦，接下來就該分析分析網站所需要的參數都是什么了，大致猜測一下，這么多數據中sign和data參數有點詭異，不像是正常的參數，加密參數也找到了。

破解sign加密參數

search 找一下sign都在哪里。因為sign應該是個變量，所以說在他后面加個=會查找的更精確一些。找到一個sign參數的位置，這應該是個JavaScript代碼，那就應該是這里面了。點進去！

在JavaScript中找到了 sign 的位置，找到了一個JavaScript調用的網站，我們進去看看是什么代碼在里面。

當我們進入網站之后，代碼有點亂我們在線格式化一下看看里面是什么。

格式化代碼后發現這個里面含有sign參數。這個應該是sign的加密算法，但是其中傳了一個參數進入，我們需要了解一下他傳了什么參數，這樣我們的sign就出來了。

回到我們調用JavaScript網站的文件中，繼續往下看，我們發現 sign 傳數值就在他的下部。我們看到了傳了個data給這個sign加密函數，點斷點看看data參數是什么。這data值看的好眼熟，這不是一開始很奇怪那個參數data么。原來data弄出來了sign就能給出來的。

我們繼續找剛才的sign。點擊下一次跳轉我們發現我們找到另一個函數在里面，產生了一種疑惑，這個函數是做什么的，他為什么會跳向這里。

那我們先看看我們格式化出來的JavaScript到底能不能運行吧。說不定能運行呢。

哦吼，能運行，那就好辦了，看看他返回的參數到底是啥，在開頭定義一個sign=null，將t返回給sign，再把sign打印出來。這是剛才的那個跳轉過去的方法。

原來如此，那我們將sign調用一下加個()，我們就能發現sign的值就出現了。但我們重復運行發現我們無法得到他的加密值，因為這些都是一樣的。

回想我們剛才說的話，他需要加一個data參數才可以獲得加密參數，那好再改一下。

首先我們先下載一個python調用JavaScript的庫。pip install PyExecJS

開始寫python代碼

import execjs

def get_sign(data):

with open('a.js','r',encoding='utf-8') as f:

text = f.read()

js_data = execjs.compile(text)

sign = js_data.call('get_sign',data)

return sign

if __name__ == "__main__":

data = '{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":2,"sin":0,"cur_page":1}}}'

sign = get_sign(data)

print(data)

print(sign)

這是多次調用代碼的結果，發現data傳入成功了。

獲取歌手個數以及頁數

個數其實一開始我們已經拿到了，只不過那時候沒介紹，仔細的童鞋們應該是看到了總數到底為多少個。我們點開剛才的返回json結果就能看到total已經給出來當前的個數了。

現在該分析一下data參數，盲猜一通估計page和index都在data里面，要不然這個參數傳不上去呀。好的分析一下data到底有啥，咱拿過來看看。data里面看到了get_singer_list這個應該是主要的東西。

# 這個是 A開頭第一頁

#{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":1,"sin":0,"cur_page":1}}}

# 這個是 B開頭第一頁

#{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":2,"sin":0,"cur_page":1}}}

# 這個是 B開頭第二頁

#{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":2,"sin":80,"cur_page":2}}}

# 這個是 B開頭第三頁

#{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":2,"sin":160,"cur_page":3}}}

大致我們能分析出來。

字母的變化在 index 處，也就是A到Z以及后面的# 應該是一共27個在里面，也就是index從1到27我們需要傳給他。

頁數的變化在 sin 這里，第一頁是0，第二頁就是80，第三頁是160，冷靜分析一下應該是從0開始以80為公差的等差數列。這個八十應該是代表每一頁都含有八十個歌手。

cur_page應該就是當前頁數的意思。那咱們跟著sin一起改變。

那在這我們拿到了總數，加上每一頁總共能展示多少，因為多出來的個數需要占一頁才可以，我們使用向下取整。

獲取作者名字以及id號

我們根據上述寫出來爬蟲代碼后，就可以成功獲取 json 的返回值了，在里面我們能看到一個歌手的參數一共有五個，其中 singer_mid 和 singer_name 是我們所需要的。拿到這兩個值后可以進入網站下載當前歌手的歌曲。

尋找歌手的歌曲

我們隨意點進去一個歌手，進去后尋找XML的網站，我在這里找好了是 getSingerSong 變量。

在這里能獲取歌手的每首歌的所能拿到的結果。

我們看一下里面都需要什么參數，好像和上次的差不多哦。sign已經獲取到了，data是給定的變量。單純的data有點變化，但問題不大。那說明還是能正常訪問這個XML的。

data中有點變化的位置就是 singerMid ，這個參數我們在剛才已經獲取到了。直接在里面引用一下就好了。begin的參數是一個歌手歌的頁數，num是一頁中包括多少歌曲。其實我們傳參數可以將這個參數改一下的。把num的值改到一個很大的值，我們就可以不需要改變begin的參數就能拿到所有的歌曲結果。

我們仔細找一下 json 里面的參數，點擊音樂鏈接進入發現是https://y.qq.com/n/yqq/song/002MQlds19S8qy.html，我們能發現，在這個歌曲里面的 mid 參數就是每首歌的格式化位置。

尋找下載歌曲的m4a鏈接

我們點入播放中。尋找里面的m4a鏈接看看都包含什么參數，發現存在七個鏈接都是。但我們仔細一看歌曲的大小我們就會發現，前幾個都是有問題的發包，一首歌怎么可能只有幾kb呢。毫不猶豫點進去最后一個。

哦吼，這回參數不一樣了哦。那我們在重新分析一下下吧別懶了。

我們先查找一下他給出來的一些包，看看能不能找到一個非加密參數出來。

果然，功夫不負有心人。vkey 就不是個加密參數！

破解參數前先學會"投機取巧"

我不知道剛才有沒有仔細看這個位置，發現這個也是個很長的字符串，但是他很特殊，特殊到它和m4a的url是一樣的。

為了讓你們看到，我在這里把這倆寫出來，發現到他們差了什么。不變的字符串前綴。。

# C400002wiewH40saXM.m4a?guid=9232644380&vkey=A6F8B706468C0ECFE0F8B6E5E8AAD783D5F852ED0CA66692EB1033B209080BE61208609BEBC2EAF66FA86AC887C8C9F03C02A152E2EF4E24&uin=0&fromtag=66

# https://isure.stream.qqmusic.qq.com/C400002wiewH40saXM.m4a?guid=9232644380&vkey=A6F8B706468C0ECFE0F8B6E5E8AAD783D5F852ED0CA66692EB1033B209080BE61208609BEBC2EAF66FA86AC887C8C9F03C02A152E2EF4E24&uin=0&fromtag=66

那我們先看看vkey到底需要什么參數給進去。其他參數還是都那些，還是差了一個data需要給進去的。咱們分析一下data都需要給啥吧。

# {"req":{"module":"CDN.SrfCdnDispatchServer","method":"GetCdnDispatch","param":{"guid":"9232644380","calltype":0,"userip":""}},"req_0":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"9232644380","songmid":["002MQlds19S8qy"],"songtype":[0],"uin":"0","loginflag":1,"platform":"20"}},"comm":{"uin":0,"format":"json","ct":24,"cv":0}}

大致分析了一下

guid是個無用參數。

songmid 是歌曲的 mid，我們剛才已經獲取了

uin 需要加入一個qq號才可以獲取，如果未登陸默認為0

其他都是定死的參數

m4a文件是一個二進制文件。所以說我們寫代碼一定要寫入二進制文件才可以。

代碼優化

因為數據量過大，日常存入數據庫

因為數據下載量大，使用多進程爬取。將A-Z及#各開一個進程

防止存入數據庫在多線程階段同時占用，上鎖

全部代碼

crawl.py

#Python3.7

#encoding = utf-8

import execjs,requests,math,os,threading

from urllib import parse

from concurrent.futures import ThreadPoolExecutor,ProcessPoolExecutor

from db import SQLsession,Song

lock = threading.Lock()

headers = {

'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36',

'Referer':'https://y.qq.com/portal/singer_list.html',

}

session = SQLsession()

def get_sign(data):

with open('./QQ音樂/get_sign.js','r',encoding='utf-8') as f:

text = f.read()

js_data = execjs.compile(text)

sign = js_data.call('get_sign',data)

return sign

def myProcess():

#把歌手按照首字母分為27類

with ProcessPoolExecutor(max_workers = 2) as p:#創建27個進程

for i in range(1,28):

p.submit(get_singer_mid,i)

def get_singer_mid(index):

#index = 1-----27

#打開歌手列表頁面，找出singerList,找出所有歌手的數目,除于80,構造后續頁面獲取page歌手

#找出mid, 用于歌手詳情頁

data = '{"comm":{"ct":24,"cv":0},"singerList":'\

'{"module":"Music.SingerListServer","method":"get_singer_list","param":'\

'{"area":-100,"sex":-100,"genre":-100,"index":%s,"sin":0,"cur_page":1}}}'%(str(index))

sign = get_sign(data)

url = 'https://u.y.qq.com/cgi-bin/musics.fcg?-=getUCGI6720748185279282&g_tk=5381'\

'&sign={}'\

'&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8'\

'&notice=0&platform=yqq.json&needNewCode=0'\

'&data={}'.format(sign,parse.quote(data))

html = requests.get(url,headers = headers).json()

total = html['singerList']['data']['total']#多少個歌手

pages = int(math.floor(int(total)/80))#向下取整

thread_number = pages

Thread = ThreadPoolExecutor(max_workers = thread_number)

sin = 0

#分頁迭代每一個字母下的所有頁面歌手

for page in range(1,pages+2):

data = '{"comm":{"ct":24,"cv":0},"singerList":{"module":"Music.SingerListServer","method":"get_singer_list","param":{"area":-100,"sex":-100,"genre":-100,"index":%s,"sin":%s,"cur_page":%s}}}'%(str(index),str(sin),str(page))

sign = get_sign(data)

url = 'https://u.y.qq.com/cgi-bin/musics.fcg?-=getUCGI6720748185279282&g_tk=5381'\

'&sign={}'\

'&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8'\

'&notice=0&platform=yqq.json&needNewCode=0'\

'&data={}'.format(sign,parse.quote(data))

html = requests.get(url,headers = headers).json()

sings = html['singerList']['data']['singerlist']

for sing in sings:

singer_name = sing['singer_name'] #獲取歌手名字

mid = sing['singer_mid'] #獲取歌手mid

Thread.submit(get_singer_data,mid = mid,

singer_name = singer_name,)

sin+=80

#獲取歌手信息

def get_singer_data(mid,singer_name):

#獲取歌手mid,進入歌手詳情頁，也就是每一個歌手歌曲所在頁面

#找出歌手的歌曲信息頁

data = '{"comm":{"ct":24,"cv":0},"singerSongList":{"method":"GetSingerSongList","param":'\

'{"order":1,"singerMid":"%s","begin":0,"num":10}'\

',"module":"musichall.song_list_server"}}'%(str(mid))

sign = get_sign(data)

url = 'https://u.y.qq.com/cgi-bin/musics.fcg?-=getSingerSong4707786209273719'\

'&g_tk=5381&sign={}&loginUin=0'\

'&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8&notice=0&platform=yqq.json&needNewCode=0'\

'&data={}'.format(sign,parse.quote(data))

html = requests.get(url,headers = headers).json()

songs_num = html['singerSongList']['data']['totalNum']

for number in range(0,songs_num,100):

data = '{"comm":{"ct":24,"cv":0},"singerSongList":{"method":"GetSingerSongList","param":'\

'{"order":1,"singerMid":"%s","begin":%s,"num":%s}'\

',"module":"musichall.song_list_server"}}'%(str(mid),str(number),str(songs_num))

sign = get_sign(data)

url = 'https://u.y.qq.com/cgi-bin/musics.fcg?-=getSingerSong4707786209273719'\

'&g_tk=5381&sign={}&loginUin=0'\

'&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8&notice=0&platform=yqq.json&needNewCode=0'\

'&data={}'.format(sign,parse.quote(data))

html = requests.get(url,headers = headers).json()

datas = html['singerSongList']['data']['songList']

for d in datas:

sing_name = d['songInfo']['title']

song_mid = d['songInfo']['mid']

try:

lock.acquire()

session.add(Song(song_name = sing_name,

song_singer = singer_name,

song_mid = song_mid))

session.commit()

lock.release()

print('commit')

except:

session.rollback()

print('rollbeak')

print('歌手名字：{}\t歌曲名字：{}\t歌曲ID：{}'.format(singer_name,sing_name,song_mid))

download(song_mid,sing_name,singer_name)

def download(song_mid,sing_name,singer_name):

qq_number = '請在這里寫你的qq號'

try:qq_number = str(int(qq_number))

except:raise 'qq號未填寫'

data = '{"req":{"module":"CDN.SrfCdnDispatchServer","method":"GetCdnDispatch"'\

',"param":{"guid":"4803422090","calltype":0,"userip":""}},'\

'"req_0":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey",'\

'"param":{"guid":"4803422090","songmid":["%s"],"songtype":[0],'\

'"uin":"%s","loginflag":1,"platform":"20"}},"comm":{"uin":%s,"format":"json","ct":24,"cv":0}}'%(str(song_mid),str(qq_number),str(qq_number))

sign = get_sign(data)

url = 'https://u.y.qq.com/cgi-bin/musics.fcg?-=getplaysongvkey27494207511290925'\

'&g_tk=1291538537&sign={}&loginUin={}'\

'&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8&notice=0'\

'&platform=yqq.json&needNewCode=0&data={}'.format(sign,qq_number,parse.quote(data))

html = requests.get(url,headers = headers).json()

try:

purl = html['req_0']['data']['midurlinfo'][0]['purl']

url = 'http://119.147.228.27/amobile.music.tc.qq.com/{}'.format(purl)

html = requests.get(url,headers = headers)

html.encoding = 'utf-8'

sing_file_name = '{} -- {}'.format(sing_name,singer_name)

filename = './QQ音樂/歌曲'

if not os.path.exists(filename):

os.makedirs(filename)

with open('./QQ音樂/歌曲/{}.m4a'.format(sing_file_name),'wb') as f:

print('\n正在下載{}歌曲.....\n'.format(sing_file_name))

f.write(html.content)

except:

print('查詢權限失敗，或沒有查到對應的歌曲')

if __name__ == "__main__":

myProcess()

db.py

from sqlalchemy import Column,Integer,String,create_engine

from sqlalchemy.orm import sessionmaker,scoped_session

from sqlalchemy.ext.declarative import declarative_base

#此處沒有使用pymysql的驅動

#請安裝pip install mysql-connector-python

#engine中的 mysqlconnector 為 mysql官網驅動

engine = create_engine('mysql+mysqlconnector://root:root@localhost:3306/test?charset=utf8',

max_overflow = 500,#超過連接池大小外最多可以創建的鏈接

pool_size = 100,#連接池大小

echo = False,#調試信息展示

)

Base = declarative_base()

class Song(Base):

__tablename__ = 'song'

song_id = Column(Integer,primary_key = True,autoincrement = True)

song_name = Column(String(64))

song_ablum = Column(String(64))

song_mid = Column(String(50))

song_singer = Column(String(50))

Base.metadata.create_all(engine)

DBsession = sessionmaker(bind = engine)

SQLsession = scoped_session(DBsession)

get_sign.js

this.window = this;

var sign = null;

!function(n, t){

"object" == typeof exports && "undefined" != typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define(t) : (n = n || self).getSecuritySign = t()

} (this,

function(){

"use strict";

var n = function(){

if ("undefined" != typeof self) return self;

if ("undefined" != typeof window) return window;

if ("undefined" != typeof global) return global;

throw new Error("unable to locate global object")

} ();

n.__sign_hash_20200305 = function(n){

function l(n, t){

var o = (65535 & n) + (65535 & t);

return (n >> 16) + (t >> 16) + (o >> 16) << 16 | 65535 & o

}

function r(n, t, o, e, u, p){

return l((i = l(l(t, n), l(e, p))) << (r = u) | i >>> 32 - r, o);

var i, r

}

function g(n, t, o, e, u, p, i){

return r(t & o | ~t & e, n, t, u, p, i)

}

function a(n, t, o, e, u, p, i){

return r(t & e | o & ~e, n, t, u, p, i)

}

function s(n, t, o, e, u, p, i){

return r(t ^ o ^ e, n, t, u, p, i)

}

function v(n, t, o, e, u, p, i){

return r(o ^ (t | ~e), n, t, u, p, i)

}

function t(n){

return function(n){

var t, o = "";

for (t = 0; t < 32 * n.length; t += 8) o += String.fromCharCode(n[t >> 5] >>> t % 32 & 255);

return o

} (function(n, t){

n[t >> 5] |= 128 << t % 32,

n[14 + (t + 64 >>> 9 << 4)] = t;

var o, e, u, p, i, r = 1732584193,

f = -271733879,

h = -1732584194,

c = 271733878;

for (o = 0; o < n.length; o += 16) r = g(e = r, u = f, p = h, i = c, n[o], 7, -680876936),

c = g(c, r, f, h, n[o + 1], 12, -389564586),

h = g(h, c, r, f, n[o + 2], 17, 606105819),

f = g(f, h, c, r, n[o + 3], 22, -1044525330),

r = g(r, f, h, c, n[o + 4], 7, -176418897),

c = g(c, r, f, h, n[o + 5], 12, 1200080426),

h = g(h, c, r, f, n[o + 6], 17, -1473231341),

f = g(f, h, c, r, n[o + 7], 22, -45705983),

r = g(r, f, h, c, n[o + 8], 7, 1770035416),

c = g(c, r, f, h, n[o + 9], 12, -1958414417),

h = g(h, c, r, f, n[o + 10], 17, -42063),

f = g(f, h, c, r, n[o + 11], 22, -1990404162),

r = g(r, f, h, c, n[o + 12], 7, 1804603682),

c = g(c, r, f, h, n[o + 13], 12, -40341101),

h = g(h, c, r, f, n[o + 14], 17, -1502002290),

r = a(r, f = g(f, h, c, r, n[o + 15], 22, 1236535329), h, c, n[o + 1], 5, -165796510),

c = a(c, r, f, h, n[o + 6], 9, -1069501632),

h = a(h, c, r, f, n[o + 11], 14, 643717713),

f = a(f, h, c, r, n[o], 20, -373897302),

r = a(r, f, h, c, n[o + 5], 5, -701558691),

c = a(c, r, f, h, n[o + 10], 9, 38016083),

h = a(h, c, r, f, n[o + 15], 14, -660478335),

f = a(f, h, c, r, n[o + 4], 20, -405537848),

r = a(r, f, h, c, n[o + 9], 5, 568446438),

c = a(c, r, f, h, n[o + 14], 9, -1019803690),

h = a(h, c, r, f, n[o + 3], 14, -187363961),

f = a(f, h, c, r, n[o + 8], 20, 1163531501),

r = a(r, f, h, c, n[o + 13], 5, -1444681467),

c = a(c, r, f, h, n[o + 2], 9, -51403784),

h = a(h, c, r, f, n[o + 7], 14, 1735328473),

r = s(r, f = a(f, h, c, r, n[o + 12], 20, -1926607734), h, c, n[o + 5], 4, -378558),

c = s(c, r, f, h, n[o + 8], 11, -2022574463),

h = s(h, c, r, f, n[o + 11], 16, 1839030562),

f = s(f, h, c, r, n[o + 14], 23, -35309556),

r = s(r, f, h, c, n[o + 1], 4, -1530992060),

c = s(c, r, f, h, n[o + 4], 11, 1272893353),

h = s(h, c, r, f, n[o + 7], 16, -155497632),

f = s(f, h, c, r, n[o + 10], 23, -1094730640),

r = s(r, f, h, c, n[o + 13], 4, 681279174),

c = s(c, r, f, h, n[o], 11, -358537222),

h = s(h, c, r, f, n[o + 3], 16, -722521979),

f = s(f, h, c, r, n[o + 6], 23, 76029189),

r = s(r, f, h, c, n[o + 9], 4, -640364487),

c = s(c, r, f, h, n[o + 12], 11, -421815835),

h = s(h, c, r, f, n[o + 15], 16, 530742520),

r = v(r, f = s(f, h, c, r, n[o + 2], 23, -995338651), h, c, n[o], 6, -198630844),

c = v(c, r, f, h, n[o + 7], 10, 1126891415),

h = v(h, c, r, f, n[o + 14], 15, -1416354905),

f = v(f, h, c, r, n[o + 5], 21, -57434055),

r = v(r, f, h, c, n[o + 12], 6, 1700485571),

c = v(c, r, f, h, n[o + 3], 10, -1894986606),

h = v(h, c, r, f, n[o + 10], 15, -1051523),

f = v(f, h, c, r, n[o + 1], 21, -2054922799),

r = v(r, f, h, c, n[o + 8], 6, 1873313359),

c = v(c, r, f, h, n[o + 15], 10, -30611744),

h = v(h, c, r, f, n[o + 6], 15, -1560198380),

f = v(f, h, c, r, n[o + 13], 21, 1309151649),

r = v(r, f, h, c, n[o + 4], 6, -145523070),

c = v(c, r, f, h, n[o + 11], 10, -1120210379),

h = v(h, c, r, f, n[o + 2], 15, 718787259),

f = v(f, h, c, r, n[o + 9], 21, -343485551),

r = l(r, e),

f = l(f, u),

h = l(h, p),

c = l(c, i);

return [r, f, h, c]

} (function(n){

var t, o = [];

for (o[(n.length >> 2) - 1] = void 0, t = 0; t < o.length; t += 1) o[t] = 0;

for (t = 0; t < 8 * n.length; t += 8) o[t >> 5] |= (255 & n.charCodeAt(t / 8)) << t % 32;

return o

} (n), 8 * n.length))

}

function o(n){

return t(unescape(encodeURIComponent(n)))

}

return function(n){

var t, o, e = "0123456789abcdef",

u = "";

for (o = 0; o < n.length; o += 1) t = n.charCodeAt(o),

u += e.charAt(t >>> 4 & 15) + e.charAt(15 & t);

return u

} (o(n))

function r(f, h, c, l, g){

g = g || [[this], [{}]];

for (var t = [], o = null, n = [function(){

return ! 0

function(){},

function(){

g.length = c[h++]

function(){

g.push(c[h++])

function(){

g.pop()

function(){

var n = c[h++],

t = g[g.length - 2 - n];

g[g.length - 2 - n] = g.pop(),

g.push(t)

function(){

g.push(g[g.length - 1])

function(){

g.push([g.pop(), g.pop()].reverse())

function(){

g.push([l, g.pop()])

function(){

g.push([g.pop()])

function(){

var n = g.pop();

g.push(n[0][n[1]])

function(){

g.push(g[g.pop()[0]][0])

function(){

var n = g[g.length - 2];

n[0][n[1]] = g[g.length - 1]

function(){

g[g[g.length - 2][0]][0] = g[g.length - 1]

function(){

var n = g.pop(),

t = g.pop();

g.push([t[0][t[1]], n])

function(){

var n = g.pop();

g.push([g[g.pop()][0], n])

function(){

var n = g.pop();

g.push(delete n[0][n[1]])

function(){

var n = [];

for (var t in g.pop()) n.push(t);

g.push(n)

function(){

g[g.length - 1].length ? g.push(g[g.length - 1].shift(), !0) : g.push(void 0, !1)

function(){

var n = g[g.length - 2],

t = Object.getOwnPropertyDescriptor(n[0], n[1]) || {

configurable: !0,

enumerable: !0

};

t.get = g[g.length - 1],

Object.defineProperty(n[0], n[1], t)

function(){

var n = g[g.length - 2],

t = Object.getOwnPropertyDescriptor(n[0], n[1]) || {

configurable: !0,

enumerable: !0

};

t.set = g[g.length - 1],

Object.defineProperty(n[0], n[1], t)

function(){

h = c[h++]

function(){

var n = c[h++];

g[g.length - 1] && (h = n)

function(){

throw g[g.length - 1]

function(){

var n = c[h++],

t = n ? g.slice( - n) : [];

g.length -= n,

g.push(g.pop().apply(l, t))

function(){

var n = c[h++],

t = n ? g.slice( - n) : [];

g.length -= n;

var o = g.pop();

g.push(o[0][o[1]].apply(o[0], t))

function(){

var n = c[h++],

t = n ? g.slice( - n) : [];

g.length -= n,

t.unshift(null),

g.push(new(Function.prototype.bind.apply(g.pop(), t)))

function(){

var n = c[h++],

t = n ? g.slice( - n) : [];

g.length -= n,

t.unshift(null);

var o = g.pop();

g.push(new(Function.prototype.bind.apply(o[0][o[1]], t)))

function(){

g.push(!g.pop())

function(){

g.push(~g.pop())

function(){

g.push(typeof g.pop())

function(){

g[g.length - 2] = g[g.length - 2] == g.pop()

function(){

g[g.length - 2] = g[g.length - 2] === g.pop()

function(){

g[g.length - 2] = g[g.length - 2] > g.pop()

function(){

g[g.length - 2] = g[g.length - 2] >= g.pop()

function(){

g[g.length - 2] = g[g.length - 2] << g.pop()

function(){

g[g.length - 2] = g[g.length - 2] >> g.pop()

function(){

g[g.length - 2] = g[g.length - 2] >>> g.pop()

function(){

g[g.length - 2] = g[g.length - 2] + g.pop()

function(){

g[g.length - 2] = g[g.length - 2] - g.pop()

function(){

g[g.length - 2] = g[g.length - 2] * g.pop()

function(){

g[g.length - 2] = g[g.length - 2] / g.pop()

function(){

g[g.length - 2] = g[g.length - 2] % g.pop()

function(){

g[g.length - 2] = g[g.length - 2] | g.pop()

function(){

g[g.length - 2] = g[g.length - 2] & g.pop()

function(){

g[g.length - 2] = g[g.length - 2] ^ g.pop()

function(){

g[g.length - 2] = g[g.length - 2] in g.pop()

function(){

g[g.length - 2] = g[g.length - 2] instanceof g.pop()

function(){

g[g[g.length - 1][0]] = void 0 === g[g[g.length - 1][0]] ? [] : g[g[g.length - 1][0]]

function(){

for (var e = c[h++], u = [], n = c[h++], t = c[h++], p = [], o = 0; o < n; o++) u[c[h++]] = g[c[h++]];

for (var i = 0; i < t; i++) p[i] = c[h++];

g.push(function n(){

var t = u.slice(0);

t[0] = [this],

t[1] = [arguments],

t[2] = [n];

for (var o = 0; o < p.length && o < arguments.length; o++) 0 < p[o] && (t[p[o]] = [arguments[o]]);

return r(f, e, c, l, t)

})

function(){

t.push([c[h++], g.length, c[h++]])

function(){

t.pop()

function(){

return !! o

function(){

o = null

function(){

g[g.length - 1] += String.fromCharCode(c[h++])

function(){

g.push("")

function(){

g.push(void 0)

function(){

g.push(null)

function(){

g.push(!0)

function(){

g.push(!1)

function(){

g.length -= c[h++]

function(){

g[g.length - 1] = c[h++]

function(){

var n = g.pop(),

t = g[g.length - 1];

t[0][t[1]] = g[n[0]][0]

function(){

var n = g.pop(),

t = g[g.length - 1];

t[0][t[1]] = n[0][n[1]]

function(){

var n = g.pop(),

t = g[g.length - 1];

g[t[0]][0] = g[n[0]][0]

function(){

var n = g.pop(),

t = g[g.length - 1];

g[t[0]][0] = n[0][n[1]]

function(){

g[g.length - 2] = g[g.length - 2] < g.pop()

function(){

g[g.length - 2] = g[g.length - 2] <= g.pop()

}];;) try {

for (; ! n[c[h++]](););

if (o) throw o;

return g.pop()

} catch(n) {

var e = t.pop();

if (void 0 === e) throw n;

o = n,

h = e[0],

g.length = e[1],

e[2] && (g[e[2]][0] = o)

}

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var t = n.__getSecuritySign;

sign = t;

return t;

});

function get_sign(data){

return sign(data)

};

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