from urllib parse import unquote quote from ioweb import request DataN

from urllib.parse import unquote, quote                                           
from ioweb import request, DataNotValid                                           
                                                                                   
                                                                                   
def main(**kwargs):                                                                
    username = 'cal_89'                                                            
    cursor_id = None                                                               
    while True:                                                                    
        url = 'https://mobile.twitter.com/%s/followers' % (                        
            quote(username),                                                       
        )                                                                          
        if cursor_id:                                                              
            url += '?cursor=%d' % cursor_id                                        
        res = request(url)                                                         
        if not res.css('div.user-list').exists():                                  
            raise DataNotValid                                                     
        usernames = set()                                                          
        for elem in res.xpath(                                                     
                '//a[strong[contains(@class, "fullname")]]'                        
            ):                                                                     
            usernames.add(                                                         
                unquote(elem.attr('href').lstrip('/').split('?')[0])               
                .lower()                                                           
            )                                                                      
        print(usernames)                                                           
                                                                                   
        # <div class="w-button-more"><a href="/dzuev/followers?cursor=1623574621321415001">
        more = res.css('div.w-button-more a')                                      
        if more.exists():                                                          
            cursor_id = int(                                                       
                more.attr('href').split('cursor=')[1].split('&')[0]                
            )                                                                      
        else:                                                                      
            cursor_id = None                                                       
        print('Cursor ID: %s' % cursor_id)                                         
        if not cursor_id:                                                          
            print('Last page!')                                                   
            break