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python requests login session

Narkw Brahma

Narkw Brahma

• 1 min read

Python Requests login session

If you are trying to automate a login process for a website, you can use the Python Requests library to create a session and maintain it throughout the session. This way, you can access pages that require a login without having to manually enter your username and password every time.

Using Requests.Session()

The Requests.Session() function creates a persistent session that can be used for subsequent requests. Here is an example:


import requests

# create a session
session = requests.Session()

# login to the website
login_data = {
    'username': 'your_username',
    'password': 'your_password'
}
r = session.post('http://example.com/login', data=login_data)

# access a page that requires authentication
r = session.get('http://example.com/protected_page')

print(r.text)

In this example, we first create a session using the Requests.Session() function. Then, we use the session.post() method to log in to the website by sending a POST request with the login data. Finally, we use the session.get() method to access a protected page, which should now be accessible because we are logged in.

Using cookies

Another way to maintain a login session is by using cookies. Here is an example:


import requests

# login to the website and get the cookies
login_data = {
    'username': 'your_username',
    'password': 'your_password'
}
r = requests.post('http://example.com/login', data=login_data)
cookies = r.cookies

# use the cookies to access a page that requires authentication
r = requests.get('http://example.com/protected_page', cookies=cookies)

print(r.text)

In this example, we first log in to the website by sending a POST request with the login data. We then extract the cookies from the response using the r.cookies attribute. Finally, we use the cookies to access a protected page by passing them as a parameter to the requests.get() method.

Conclusion

Both methods are effective ways to maintain a login session using Python Requests. The first method is preferred if you need to perform multiple requests during a session, while the second method is simpler and more straightforward if you only need to access one or two pages.

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