Flask: How do I set the status code in Response

Question

Everything runs fine, API(flask) returns the data nicely. However, when I try to customise the response code, I can't do it.
Following are the two ways, I tried:

from flask import make_response dictionary = {1:'a', 2:'b'} resp = make_response(dictionary,1001) return resp #In developer tools, I could see the data, but status-code is 200

.

from flask import Response dictionary = {1:'a', 2:'b'} resp = Response(dictionary, status = 1001) return resp #Here again, I see the data, but the status code is 200

How do I set the status code to be something else?

Try: return Response("{1:'a', 2:'b'}", status=201, mimetype='application/json') .Btw, 1001 is not a valid HTTP status code — T.M Luan
– T.M Luan, Commented Jan 2, 2020 at 8:47
heres a reference for HTTP status codes en.wikipedia.org/wiki/List_of_HTTP_status_codes. — marxmacher
– marxmacher, Commented Jan 2, 2020 at 8:50
@T.MLuan Thaks for replying, Sir. If I want to set custom status code,how could I do that? Like if I want to trigger different actions based on return type. — Mr.President
– Mr.President, Commented Jan 2, 2020 at 11:01

marxmacher · Accepted Answer · 2020-01-02 08:40:10Z

6

This should answer your question : https://flask.palletsprojects.com/en/1.1.x/quickstart/#about-responses

Example from docs:

@app.errorhandler(404) def not_found(error): resp = make_response(render_template('error.html'), 404) resp.headers['X-Something'] = 'A value' return resp

answered Jan 2, 2020 at 8:40

marxmacher

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7 Comments

marxmacher Over a year ago

i changed the answer to be more accurate. Initial answer had a reference to flask api which is different from your regular flask. Leaving the link to flask api here if someone needed it : flaskapi.org/api-guide/status-codes

sahasrara62 Over a year ago

you can add the what changes you have done in the answer itself, no need to make a comment :)

marxmacher Over a year ago

i did, just wanted to make sure no one gets confused :)

Mr.President Over a year ago

Thanks for replying, Sirs. I could return 204 for no content, but successful request. If I want to return my own status code, is it possible to do that? Just curious about this.

marxmacher Over a year ago

stackoverflow.com/questions/7996569/…

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