from grab import Grab import re RE_PROXY_LINE re compile def main kwar

from grab import Grab
import re

RE_PROXY_LINE = re.compile(r'^(?:\d{1,3}\.){3}\d{1,3}:\d{1,4}$')

def main(**kwargs):
    g = Grab()
    g.go('http://account.fineproxy.org/')
    g.set_input('log', '***')
    g.set_input('pass', '****')
    g.submit()
    if not g.doc.select('//a[@href="/profile/logout/"]').exists():
        raise Exception('Unexpected response')

    post = {
        'templ': '{ip}:{port}',
        'type': 'httpip',
        'format': 'text',
    }
    g.go('http://account.fineproxy.org/proxy/', post=post)
    rows = g.response.body.splitlines()
    if RE_PROXY_LINE.match(rows[0]) and RE_PROXY_LINE.match(rows[1]):
        g.response.save('/web/proxy.txt')
    else:
        raise Exception('Unexpected response')