AI, Data Science, & Programming for Small Business Applications & Large Enterprises › Forums › CS50’s Introduction to Computer Science by Harvard University on Edx › Week 9: Flask › Do I need to import request object before using GET and POST methods in Flask?
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April 11, 2024 at 8:01 am #2261
ChaGPT:
Yes, you need to import the
request
object from theflask
module in order to access data from incoming requests, including data sent via GET or POST methods. Therequest
object provides access to information such as form data, request headers, and files uploaded via the request.Here’s an example of how you would import and use the
request
object to access form data in a Flask route:[dm_code_snippet background=”yes” background-mobile=”yes” slim=”no” line-numbers=”no” bg-color=”#abb8c3″ theme=”dark” language=”markup” wrapped=”no” height=”” copy-text=”Copy Code” copy-confirmed=”Copied”]
from flask import Flask, request app = Flask(__name__) @app.route('/login', methods=['POST']) def login(): username = request.form['username'] password = request.form['password'] # Do something with the username and password return 'Login successful' if __name__ == '__main__': app.run()
[/dm_code_snippet]
In this example, the
request.form
attribute is used to access the form data sent with the POST request. Similarly, you can userequest.args
to access data sent via the query string in a GET request.So, yes, you need to import the
request
object before using the GET and POST methods in Flask. -
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