Requests not able call multiple routes in same Flask application
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21-12-2019 - |
Question
I am not able to successfully use Python Requests to call a second route in the same application using Flask. I know that its best practice to call the function directly, but I need it to call using the URL using requests. For example:
from flask import Flask
import requests
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello World!" # This works
@app.route("/myrequest")
def myrequest():
#r = requests.get('http://www.stackoverflow.com', timeout=5).text # This works, but is external
#r = hello() # This works, but need requests to work
r = requests.get('http://127.0.0.1:5000/', timeout=5).text # This does NOT work - requests.exceptions.Timeout
return r
if __name__ == "__main__":
app.run(debug=True, port=5000)
Solution
Your code assumes that your app can handle multiple requests at once: the initial request, plus the request that is generated while the initial is being handled.
If you are running the development server like app.run()
, it runs in a single thread by default; therefore, it can only handle one request at a time.
Use app.run(threaded=True)
to enable multiple threads in the development server.
As of Flask 1.0 the development server is threaded by default.
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