local variable referenced before assignment.

[samvup]

I have been trying to make m3u files from ustvnow, but every time i test the code with my creds
it keeps saying "local variable 'csrf' referenced before assignment."

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import sys import requests import cookiejar import re import json import os import sys import random debug = False   # 22/03/18 - updated file to work with slightly altered api of ustvnow. - MikeC ################################################################################################################## # CONFIG ##################################################################################################################   try:     username = sys.argv[1] except:     username = ""                       # Set username manually here if not using the command line   try:     password = sys.argv[2] except:     password = ""                       # Set username manually here if not using the command line   try:     channel = sys.argv[3] except:     channel = "ALL"                     # Set channel manually here if not using the command line (use ALL to show all)   try:     CreateSTRM = sys.argv[4] except:     CreateSTRM = False                  # Set if you would like to create the STRM file   try:     hideTitle = sys.argv[5]             except:     hideTitle = True                    # For those of you who would like to hide the showing now show title       ################################################################################################################## ## FUNCTIONS ##################################################################################################################   ########### # Decoder # ########### def robust_decode(bs):     '''Takes a byte string as param and convert it into a unicode one. First tries UTF8, and fallback to Latin1 if it fails'''     bs.decode(errors='replace')     cr = None     try:         cr = bs.decode('utf8')     except UnicodeDecodeError:         cr = bs.decode('latin1')     return cr   ########### # Scraper # ########### def Ustvnow(username, password, exclude=[]):     result = ""     with requests.Session() as s:         ### Get CSRF Token ###               url="https://watch.ustvnow.com/account/signin"         r = s.get(url)         html = r.text         html = ' '.join(html.split())         ultimate_regexp = "(?i)<\/?\w+((\s+\w+(\s*=\s*(?:\".*?\"|'.*?'|[^'\">\s]+))?)+\s*|\s*)\/?>"         for match in re.finditer(ultimate_regexp, html):             i = repr(match.group())             if '<input type="hidden" name="csrf_ustvnow" value="' in i:                 csrf = i.replace('<input type="hidden" name="csrf_ustvnow" value="','').replace('">','')                 csrf = str(csrf).replace("u'","").replace("'","")         if debug:             print(csrf)         ### Get Token ###         url = "https://watch.ustvnow.com/account/login"         payload = {'csrf_ustvnow': csrf, 'signin_email': username, 'signin_password':password, 'signin_remember':'1'}         r = s.post(url, data=payload)         html = r.text         html = ' '.join(html.split())         html = html[html.find('var token = "')+len('var token = "'):]         html = html[:html.find(';')-1]         token = str(html)         if debug:             print(token)         ### Get Stream ###         device = "gtv"                url = "http://m-api.ustvnow.com/"+device+"/1/live/login"         payload = {'username': username, 'password': password, 'device':device}         r = s.post(url, data=payload)         html = r.text         j = json.loads(html)         if debug:             print(j)         if j['result'] != "success":             if debug:                 print("error")             return False         url = "http://m-api.ustvnow.com/gtv/1/live/playingnow?token="+token         if debug:             print(url)         r = s.get(url)         html = r.text         j = json.loads(html)         if debug:             print(j)                n = 0         if channel=="ALL":             result += "#EXTM3U\n"         while True:             try:                 scode = j['results'][n]['scode']             except:                 break             stream_code = j['results'][n]['stream_code']             title = j['results'][n]['title']             title = u' '.join((title,"")).encode('utf-8').strip()             title = str(title)             url = "http://m.ustvnow.com/stream/1/live/view?scode="+scode+"&token="+token+"&br_n=Firefox&pr=ec&tr=expired&pl=vjs&pd=1&br_n=Firefox&br_v=54&br_d=desktop"             if debug:                 print(url)             r = s.get(url)             html = r.text             try:                 i = json.loads(html)                 #URL = i["stream"].replace("\n","")[:-1]                 URL = i["stream"]                 #if "&jwt=" in URL:                 #    URL = URL.split("&jwt=")[0]             except:                 break             # Create STRM file             if(CreateSTRM):                 fname = stream_code+".strm"                 if os.path.isfile(fname):                     f= open(fname,"wb")                     f.write(URL)                     f.close                 else:                     f= open(fname,"wb+")                     f.write(URL)                     f.close             # Print Link             if channel=="ALL":                 if robust_decode(stream_code) not in exclude:                     if not hideTitle:                         result += "#EXTINF:-1,"+robust_decode(stream_code)+" - "+robust_decode(title)+"\n"                     else:                         result += "#EXTINF:-1,"+robust_decode(stream_code)+"\n"                                            result += URL+"\n"             else:                 if debug:                     print(stream_code)                 if channel==stream_code:                     result += URL+"\n"                     break             n += 1         return(result.strip("\n"))   ################################################################################################################## ## EXCLUDE THESE CHANNELS ## ## exclude = ["ABC", "My9" "FOX"] these channels would be excluded from the result ## ##################################################################################################################   exclude = []   ################################################################################################################## ## MAIN ################################################################################################################## if(username==""):     #no username given, try predefined username and password     usernames = ["cslr@kotsu01.info","wdbt@pagamenti.tk","subt@o.cfo2go.ro","tbbt@kusrc.com","libt@uacro.com","cfbt@dfg6.kozow.com","ffbt@phpbb.uu.gl","nulr@at.mycamx.com","mcbt@fls4.gleeze.com","scbt@drivetagdev.com","uhbt@adrianou.gq","idbt@pagamenti.tk","kbbt@kazelink.ml","lcbt@inclusiveprogress.com","uvlr@at.mycamx.com","hbbt@4tb.host","wcbt@hukkmu.tk","jemt@w.0w.ro","pomr@aas.mycamx.com","jcbt@eqiluxspam.ga","adbt@fls4.gleeze.com","nbbt@4tb.host","nbbt@kusrc.com","ebbt@freemail.tweakly.net","rsp@themail.krd.ag","ecbt@hukkmu.tk","rcbt@kusrc.com","gfbt@urfey.com","ucbt@kusrc.com","ndbt@o.spamtrap.ro","cdbt@inclusiveprogress.com","hbbt@caseedu.tk","xgbt@117.yyolf.net","avbt@o.cfo2go.ro","pcbt@hukkmu.tk","edbt@u.dmarc.ro","adbt@eqiluxspam.ga","wdbt@drivetagdev.com","lrqr@mnode.me","ieas@mailfs.com","lebt@dff55.dynu.net","mibt@tvchd.com","qjbt@t.psh.me","cebt@hasanmail.ml","jdbt@eqiluxspam.ga","jdbt@arurgitu.gq","kebt@1clck2.com","pcbt@kusrc.com","hfbt@arur01.tk","yhbt@dfg6.kozow.com","ugbt@laoho.com","iott@szerz.com","fjlr@asm.snapwet.com","xfbt@dff55.dynu.net","wgmt@w.0w.ro","okbt@uacro.com","apps@wierie.tk","ahbt@rudymail.ml","ifbt@yordanmail.cf","bfas@mailfs.com","ffbt@getnowtoday.cf","cdbt@kusrc.com","sfbt@lpo.ddnsfree.com","eebt@cobarekyo1.ml","xdbt@c.andreihusanu.ro","lfbt@pagamenti.tk","zdbt@c.andreihusanu.ro","nfbt@pagamenti.tk","zfbt@lpo.ddnsfree.com","mhbt@rudymail.ml","mzut@oing.cf","lwbt@o.cfo2go.ro","rgbt@getnowtoday.cf","wdbt@bdmuzic.pw","ifbt@s.proprietativalcea.ro","gfbt@lpo.ddnsfree.com","ndbt@mailed.ro","egbt@ppetw.com","lgbt@xing886.uu.gl","lgbt@itmtx.com","dawt@lordsofts.com","cjbt@psles.com","ogbt@cutout.club","vdx@penoto.tk","spor@aw.kikwet.com","yfbt@barryogorman.com","dfbt@kazelink.ml","cjbt@hackersquad.tk","nylr@at.mycamx.com","hjbt@furusato.tokyo","ugbt@nezzart.com","qhbt@fls4.gleeze.com","ilbt@tvchd.com","apor@aw.kikwet.com","fibt@zhcne.com","ygbt@smallker.tk","zgbt@hukkmu.tk","bhbt@o.spamtrap.ro","zibt@itmtx.com","dibt@xing886.uu.gl","tlbt@psles.com","ngbt@e.milavitsaromania.ro","sibt@getnowtoday.cf","jgbt@arurgitu.gq","skbt@rudymail.ml","gibt@itmtx.com","scut@oing.cf","mpor@aw.kikwet.com","twbt@reddit.usa.cc","phbt@cutout.club","ifbt@freemail.tweakly.net","yex@penoto.tk","dmbt@tvchd.com","kijr@morriesworld.ml","qobt@uacro.com","cgbt@4tb.host","fjbt@laoho.com","tibt@p.9q.ro","nlmu@xww.ro","yibt@o.spamtrap.ro","ajbt@poliusraas.tk","wibt@lpo.ddnsfree.com","kkbt@hackersquad.tk","fzbt@o.cfo2go.ro","ikbt@glubex.com","xjbt@ppetw.com","fkbt@rkomo.com","qkmt@w.0w.ro","bhbt@i.xcode.ro","djbt@itmtx.com","hmbt@adrianou.gq","swlr@dwse.edu.pl","uhbt@4tb.host","uibt@e.milavitsaromania.ro","tkbt@zhcne.com","cibt@mail.ticket-please.ga","nibt@lpo.ddnsfree.com","rrpr@aw.kikwet.com","xkbt@zhcne.com","ahbt@kusrc.com","afx@penoto.tk","erut@toon.ml","wkbt@xing886.uu.gl","ngbt@taglead.com","hjbt@dff55.dynu.net","arpr@aw.kikwet.com","klbt@sroff.com","rmbt@phpbb.uu.gl","nlbt@sroff.com","munr@aas.mycamx.com","klbt@117.yyolf.net","xkjr@morriesworld.ml","skbt@e.blogspam.ro","yobt@tvchd.com","ulbt@vssms.com","npbt@uacro.com","ugx@penoto.tk","sbbt@o.cfo2go.ro","aobt@t.psh.me","zjbt@e.milavitsaromania.ro","tibt@mailed.ro","dkbt@dff55.dynu.net","wkbt@s.proprietativalcea.ro","csut@cetpass.com","qlbt@itmtx.com","egx@penoto.tk","bmbt@rkomo.com","mmbt@sroff.com","ribt@caseedu.tk","uomu@xww.ro","ljbt@cobarekyo1.ml","clbt@isdaq.com","fkbt@hasanmail.ml","unbt@dfg6.kozow.com","ijbt@smallker.tk","mnmt@v.0v.ro","albt@pagamenti.tk","rkbt@ucupdong.ml","xmbt@hezll.com","dobt@psles.com","stpr@aw.kikwet.com"]     random.shuffle(usernames)     for username in usernames:         try:             password = username             result = Ustvnow(username, password, exclude)             if result != False:                 break #success         except:             next #try again else:     result = Ustvnow(username, password, exclude)   print(result)   ##################################################################################################################

[perfringo]

I only quote:

Errors should never pass silently.
Unless explicitly silenced.

[samvup]

this is the full traceback error:

Error:
Traceback (most recent call last):
  File "main.py", line 187, in <module>
    result = Ustvnow(username, password, exclude)
  File "main.py", line 79, in Ustvnow
    payload = {'csrf_ustvnow': csrf, 'signin_email': username, 'signin_password':password, 'signin_remember':'1'}
UnboundLocalError: local variable 'csrf' referenced before assignment

keep in mind i entered my personal username and password at the top of the file

[buran]

obviously there is no match, so the loop body (lines 71-74) is never executed. If you run in debug mode the error will be when try to print csrf

You shouldn't be using regex to parse html. Look at BeautifulSoup. Here is our tutorial https://python-forum.io/Thread-Web-Scraping-part-1