Python Mechanization Problems

I recently started delving into the world of Mechanize, beginning my learning journey just yesterday.

Just to clarify, my motives are purely educational, with no intention of causing harm. I selected this particular site due to its use of AJAX/Javascript (although I'm unsure), among countless others I could have chosen. Your assistance in my learning process would be greatly appreciated.

During my exploration, I stumbled upon the webpage www.snapdeal.com. Upon closer inspection of this site, clicking on the 'Register' link reveals a dropdown menu which, upon selecting 'Register using email', displays a form, likely powered by Javascript or AJAX (the exact technology remains uncertain).

Acting on my curiosity, I inputted data into the 'Register using email' form and obtained the following results:

1. I successfully traced the POST Request that the website initiates upon clicking the Register button within the 'Register using email' form. Here are the associated details:

1.a. Request Headers:

POST /signupAjax HTTP/1.1
Host: www.snapdeal.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Referer: https://www.snapdeal.com/iframeLogin
Content-Length: 128
Cookie: u=143332124339995687; [...]
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache

1.b. POST Parameters:

CSRFToken=02325b364cc453ca796e76b365655b5ff020674e
ajax=true
j_confpassword=1234567
j_password=1234567
<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5e34012b2d3b2c303f333b632f1e3b292c293b2c70263133">[email protected]</a>

1.c. Location with Parameters:

https://www.snapdeal.com/signupAjax?CSRFToken=02325b364cc453ca796e76b365655b5ff020674e&ajax=true&j_confpassword=1234567&j_password=1234567&j_username=q%40ewrwer.xom

2. Furthermore, I managed to intercept the request that the website makes to display the registration form:

2. a. Location:

http://www.snapdeal.com/omn/getOmnitureCode?eventType=RegisterLinkInHeader&

2.b. Request Headers:

POST /omn/getOmnitureCode?eventType=RegisterLinkInHeader& HTTP/1.1
Host: www.snapdeal.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0
Accept: text/html, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/json; charset=utf-8
X-Requested-With: XMLHttpRequest
Referer: http://www.snapdeal.com/?logoutSuccess=success
Cookie: u=143332124339995687; [...]
Connection: keep-alive
Pragma: no-cache
Cache-Control: no-cache
Content-Length: 0

Notably, upon clicking the 'Register using Email' link in the 'Register' popup, the website did not trigger any additional GET or POST requests.

With my limited experience in Mechanize, how can I access the 'Register using Email' form on the website? Would an additional library be necessary, given my recent introduction to Mechanize? Any guidance, accompanied by a complete code explanation, would be immensely helpful to me.

Once again, I reiterate that this endeavor solely serves educational purposes. Disregard any notion of security infractions—I aim to grasp the implementation of Mechanize on websites like these (that's the main objective!).

Answer â„–1

It's important to review the website's source code first because Mechanize does not support Javascript.

Here is an example of how to submit a form using Python and Mechanize:

import mechanize

EMAIL = "example@example.com"
PASS = "mypassword"

def login(email, password):
    browser = mechanize.Browser()
    browser.set_handle_robots(False)
    browser.open('https://Login-SomeWebsite.com')
    browser.select_form(nr=0)
    browser.form["email"] = EMAIL
    browser.form["pass"] = PASS
    browser.submit()
    return browser

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