Unable to run Python on a hosted server

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I am trying to run python on a hosted server. I'm using a Strato server.

The problem I have is that, when I run my Python code, it uses the Python 2.7 version - as it is set the default, and I've installed my python libraries in Python 3, so it shows an "500 Internal Error".

I tried to change the python path at the beginning of my python file to the Python 3 location, but it didn't work.

So, my question is, how can I run Python 3 (and not python 2) when opening the file?

Here's my code:

#!/usr/bin/python3 

import requests

print("Content-Type: text/plain;charset=utf-8")
print()

print("Hello World!")

EDIT: I looked into the question that Maurice suggested, and checked my logs. As I supposed, the error says "No module named 'requests'", but I have it installed in Python 3, so it doesn't solve the problem

web python-3.x python
1 Answers

If you have python3 installed in the server, you can run using python3 [filename] instead of python [filename].

This points to the python3 that is installed in the machine and should give you the correct behaviour.

Edit: Oh, got it. I don't know if Stratos servers have a special feature for running python scripts remotely like you are trying.

I see that you have a php background where it can be done easily, but to do it with python you would need to create a web API in order to expose your code on the web.

The most simple way to achieve this is using Flask. Flask is a simple web framework that allows you to expose your code like you are describing.

You can check the documentation here. Also, you can use this tutorial to implement the API.

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