How to "log in" to a website using Python's Requests module?

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I am trying to post a request to log in to a website using the Requests module in Python but its not really working. I'm new to I can't figure out if I should make my Username and Password cookies or some type of HTTP authorization thing I found (??).

from pyquery import PyQuery
import requests

url = ''

So now, I think I'm supposed to use "post" and cookies....

ck = {'inUserName': 'USERNAME/EMAIL', 'inUserPass': 'PASSWORD'}

r =, cookies=ck)

content = r.text

q = PyQuery(content)

title = q("title").text()

print title

I have a feeling that I'm doing the cookies thing wrong...I don't know.

If it doesn't log in correctly, the title of the home page should come out to "" and if it does, it should be "Home Page."

If you could maybe explain a few things about requests and cookies to me and help me out with this, I would greatly appreciate it. :D


...It still didn't really work yet. this is what the home page HTML says before you log in:

</td><td><img src="">    </td>
<td><input class="Data_Entry_Field_Login" type="text" name="inUserName" id="inUserName"  size="25"></td>
<td><img src=""> </td>
<td><input  class="Data_Entry_Field_Login"  type="password" name="inUserPass"     id="inUserPass"></td>

So I think I'm doing it right, but the output is still ""

2nd EDIT:

I want to be able to stay logged in for a long time and whenever I request a page under that domain, I want the content to show up as if I were logged in.

If the information you want is on the page you are directed to immediately after login...

Lets call your ck variable payload instead, like in the python-requests docs:

payload = {'inUserName': 'USERNAME/EMAIL', 'inUserPass': 'PASSWORD'}
url = '', data=payload)

See below.

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I know you've found another solution, but for those like me who find this question, looking for the same thing, it can be achieved with requests as follows:

Firstly, as Marcus did, check the source of the login form to get three pieces of information - the url that the form posts to, and the name attributes of the username and password fields. In his example, they are inUserName and inUserPass.

Once you've got that, you can use a requests.Session() instance to make a post request to the login url with your login details as a payload. Making requests from a session instance is essentially the same as using requests normally, it simply adds persistence, allowing you to store and use cookies etc.

Assuming your login attempt was successful, you can simply use the session instance to make further requests to the site. The cookie that identifies you will be used to authorise the requests.


import requests

# Fill in your details here to be posted to the login form.
payload = {
    'inUserName': 'username',
    'inUserPass': 'password'

# Use 'with' to ensure the session context is closed after use.
with requests.Session() as s:
    p ='LOGIN_URL', data=payload)
    # print the html returned or something more intelligent to see if it's a successful login page.
    print p.text

    # An authorised request.
    r = s.get('A protected web page url')
    print r.text
        # etc...

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Let me try to make it simple, suppose URL of the site is and let's suppose you need to sign up by filling username and password, so we go to the login page say now and view it's source code and search for the action URL it will be in form tag something like

 <form name="loginform" method="post" action="userinfo.php">

now take userinfo.php to make absolute URL which will be '', now run a simple python script

import requests
url = ''
values = {'username': 'user',
          'password': 'pass'}

r =, data=values)
print r.content

I Hope that this helps someone somewhere someday.

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Find out the name of the inputs used on the websites form for usernames <> and passwords <> and replace them in the script below. Also replace the URL to point at the desired site to log into.

#!/usr/bin/env python

import requests
from requests.packages.urllib3.exceptions import InsecureRequestWarning
payload = { 'username': '', 'password': 'blahblahsecretpassw0rd' }
url = '', data=payload, verify=False)

The use of disable_warnings(InsecureRequestWarning) will silence any output from the script when trying to log into sites with unverified SSL certificates.


To run this script from the command line on a UNIX based system place it in a directory, i.e. home/scripts and add this directory to your path in ~/.bash_profile or a similar file used by the terminal.

# Custom scripts
export CUSTOM_SCRIPTS=home/scripts

Then create a link to this python script inside home/scripts/

ln -s ~/home/scripts/ ~/home/scripts/login

Close your terminal, start a new one, run login

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The requests.Session() solution assisted with logging into a form with CSRF Protection (as used in Flask-WTF forms). Check if a csrf_token is required as a hidden field and add it to the payload with the username and password:

import requests
from bs4 import BeautifulSoup

payload = {
    'email': '',
    'password': 'passw0rd'

with requests.Session() as sess:
    res = sess.get(server_name + '/signin')
    signin = BeautifulSoup(res._content, 'html.parser')
    payload['csrf_token'] = signin.find('input', id='csrf_token')['value']
    res = + '/auth/login', data=payload)

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