Get a pdf on seao.ca

main.py

#! /usr/bin/python

# INSTALLATION:
# pip install requests
# pip install beautifulsoup4

from bs4 import BeautifulSoup

import os
import requests


USER = ''
PASW = ''

# Create a session (will keep the cookies)
s = requests.session()

# Get the home page (needed for the validation token)
res = s.get('https://seao.ca/index.aspx').text

soup = BeautifulSoup(res)
data = {'Login1:loginButton': 'Enter',
        'Login1:passwordTextBox': PASW,
        'Login1:usernameTextBox': USER,
        'UCFooterMenu1:WiseScroll1': '', 
        'UCOpportunitySearch1:txtSearchInput': '', 
        '__EVENTARGUMENT': '', 
        '__EVENTTARGET': '', 
        '__EVENTVALIDATION': soup.find(id='__EVENTVALIDATION').get('value'),
        '__VIEWSTATE': '', 
        '__VIEWSTATE_SERSIDE': 1,
        }   

# Login
s.post('https://seao.ca/index.aspx', data)

# Get and write a pdf file
with open('tmp.pdf', 'w+') as f:
    f.write(s.get('https://seao.ca/GenericComponents/CUG10/viewFile.aspx?itemid=a18c621b-9bce-49ee-8eeb-d43c924bc3df').content)