import pycurl
from StringIO import StringIO

c = pycurl.Curl()
url = 'https://site.ru/index.php'
url1 = 'https://site.ru/index.php?_m=tickets&_a=manage&departmentid=17&ticketstatusid=1'


c.setopt(pycurl.URL, url)
c.setopt(pycurl.POSTFIELDS, 'username=user&password=pass&_ca=login')
c.setopt(pycurl.COOKIEJAR, "/tmp/cookie.txt")
c.setopt(pycurl.COOKIEFILE, "/tmp/cookie.txt")

def __list(url) :
 c.setopt(pycurl.URL, url)
 c.setopt(pycurl.COOKIEJAR, "/tmp/cookie.txt")
 c.setopt(pycurl.COOKIEFILE, "/tmp/cookie.txt")
 c.bodyio = StringIO()
 c.setopt(pycurl.WRITEFUNCTION, c.bodyio.write)
 c.get_body = c.bodyio.getvalue
 c.perform()
 return c.get_body()

print __list(url1)

import requests

with requests.Session() as s:
    # get cookies
    s.post(login_url, data=dict(username='user', password='pass', _ca='login'))
    # use cookies
    html = s.get(ticket_url).content