Detect login forms

loginFormDetective.py

import requests
from lxml import html

input_rules = {
    "type=password": 10,
    "name=username": 10,
    "name=password": 10,
    "id=username": 10,
    "id=password": 10,
    "type=email": 5,
    "type=text": 3,
    "type=checkbox": 2,
    "type=radio": 1
}

def score_form(form):
    score = 0
    for key in input_rules.keys():
        [attr, value] = key.split("=")
        for input_control in form.inputs:
            if attr in input_control.attrib:
                if input_control.attrib[attr] == value:
                    score += input_rules[key]
    return score


def start(url):
    r = requests.get(url)
    doc = html.document_fromstring(r.text, base_url=url)
    forms = doc.xpath('//form')
    possible_forms = []
    for form in forms:
        score = score_form(form)
        if score > 0:
            possible_forms.append(form)
    for form in possible_forms:
        print(form.attrib)

start("http://www.chuabaidinhninhbinh.vn:2082/")