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python requests login

Narkw Brahma

Narkw Brahma

• 1 min read

Python Requests Login

If you want to make a login request in Python using the requests library, you can follow these steps:

Step 1: Importing Necessary Libraries


import requests
from bs4 import BeautifulSoup

We need to import the requests library to make HTTP requests and BeautifulSoup to parse the HTML content.

Step 2: Getting Login Page HTML Content


# Make a GET request to the login page
login_url = "https://example.com/login"
response = requests.get(login_url)

# Parse the HTML content
soup = BeautifulSoup(response.content, "html.parser")

# Get the Login Form
login_form = soup.find("form", {"class": "login-form"})

We make a GET request to the login page and get the HTML content. Then we parse the HTML content using BeautifulSoup and get the login form.

Step 3: Extracting Login Form Data


# Get the form input fields
username_field = login_form.find("input", {"name": "username"})
password_field = login_form.find("input", {"name": "password"})

# Get the form action URL and method
form_action_url = login_form["action"]
form_method = login_form["method"]

# Create a dictionary with form data
form_data = {
    username_field["name"]: "your_username",
    password_field["name"]: "your_password",
    # Add other form fields if necessary
}

We extract the form input fields like username and password using BeautifulSoup. We also get the form action URL and method. Then we create a dictionary with form data.

Step 4: Making Login Request


# Make a POST request to the login action URL with form data
response = requests.post(form_action_url, data=form_data)

# Check if login was successful by checking the response content
if "Welcome" in response.content:
    print("Login successful!")
else:
    print("Login failed.")

Finally, we make a POST request to the login action URL with form data. We check if the login was successful by checking the response content.

There are other ways to do this as well. For example, you can use the requests.Session() object to maintain a session and cookies. This can be useful when you need to make multiple requests that require authentication.


# Create a session object
session = requests.Session()

# Make a GET request to the login page and get the cookies
response = session.get(login_url)

# Extract form data as before

# Make a POST request with form data
response = session.post(form_action_url, data=form_data)

# Check if login was successful
if "Welcome" in response.content:
    print("Login successful!")
else:
    print("Login failed.")

This method allows you to maintain a session and cookies, which can be useful when making multiple requests.

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