flask request

import flask app = flask.Flask('your_flask_env') @app.route('/register', methods=['GET', 'POST']) def register(): if flask.request.method == 'POST': username = flask.request.values.get('user') # Your form's password = flask.request.values.get('pass') # input names your_register_routine(username, password) else: # You probably don't have args at this route with GET # method, but if you do, you can access them like so: yourarg = flask.request.args.get('argname') your_register_template_rendering(yourarg)

request.args: the key/value pairs in the URL query string request.form: the key/value pairs in the body, from a HTML post form, or JavaScript request that isn't JSON encoded request.files: the files in the body, which Flask keeps separate from form. HTML forms must use enctype=multipart/form-data or files will not be uploaded. request.values: combined args and form, preferring args if keys overlap request.json: parsed JSON data. The request must have the application/json content type, or use request.get_json(force=True) to ignore the content type.

@app.route('/my_endpoint', methods=['POST']) def my_endpoint_handler(): #do tracking in sub-thread so we don't hold up the page def handle_sub_view(req): with app.test_request_context(): from flask import request request = req # Do Expensive work thread.start_new_thread(handle_sub_view, (request)) return "Thanks"

request flask

The docs describe the attributes available on the request. In most common cases request.data will be empty because it's used as a fallback:

request.data Contains the incoming request data as string in case it came with a mimetype Flask does not handle.

request.args: the key/value pairs in the URL query string
request.form: the key/value pairs in the body, from a HTML post form, or JavaScript request that isn't JSON encoded
request.files: the files in the body, which Flask keeps separate from form. HTML forms must use enctype=multipart/form-data or files will not be uploaded.
request.values: combined args and form, preferring args if keys overlap
request.json: parsed JSON data. The request must have the application/json content type, or use request.get_json(force=True) to ignore the content type.
All of these are MultiDict instances (except for json). You can access values using:

request.form['name']: use indexing if you know the key exists
request.form.get('name'): use get if the key might not exist
request.form.getlist('name'): use getlist if the key is sent multiple times and you want a list of values. get only returns the first value.

Posted by: Guest on July-26-2021

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