tornado vs wsgi(with gunicorn) Question: I read this about Tornado: On the other hand, if you already have a WSGI app and want to run it on a blazing fast tornado.httpserver.HTTPServer, wraps it with tornado.wsgi.WSGIContainer. But you need to be careful. Since your original application is not prepared for an asynchronous server, and will make …
Stop processing Flask route if request aborted Question: I have a flask REST endpoint that does some cpu-intensive image processing and takes a few seconds to return. Often, this endpoint gets called, then aborted by the client. In these situations I would like to cancel processing. How can I do this in flask? In node.js, …
Python : How to parse the Body from a raw email , given that raw email does not have a "Body" tag or anything Question: It seems easy to get the From To Subject etc via import email b = email.message_from_string(a) bbb = b[‘from’] ccc = b[‘to’] assuming that “a” is the raw-email string which …
Minify HTML output from Flask application with Jinja2 templates Question: Is there a Flask or Jinja2 configuration flag / extension to automatically minify the HTML output after rendering the template? Asked By: Alexander || Source Answers: Have a look here https://github.com/cobrateam/django-htmlmin#using-the-html_minify-function I realise it is mainly used for django but the example shows how to …
Differentiate nginx, haproxy, varnish and uWSGI/Gunicorn Question: I am really new to sys admin stuff, and have only provisioned a VPS with nginx(serving the static files) and gunicorn as the web server. I have lately been reading about different other stuff. I came to know about other tools: nginx : high-performance HTTP server and reverse …
How to access wsgi params from a request inside a middleware and a flask request without side effect? Question: I need to read some values from the wsgi request before my flask app is loaded. If I read the url from the wsgi request I can access the file without any issues once the flask …
Your server socket listen backlog is limited to 100 connections Question: I run a flask app on uwsgi. I use supervisor to manage uwsgi process. I find the log saying that your server socket listen backlog is limited to 100 connections. How to overcome 100 connections limitation? My running script is as below: [program:myapp] command=uwsgi …
How many concurrent requests does a single Flask process receive? Question: I’m building an app with Flask, but I don’t know much about WSGI and it’s HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests? I do mean …
Flask debug=True does not work when going through uWSGI Question: I call app.run(debug=True) in my flask file. and I have it deployed with uWSGI and nginx (I followed these instructions) uwsgi -s /tmp/uwsgi.sock -w flask_file_name:app -H /path/to/virtual/env –chmod-socket 666 But when I get an error, I don’t get any debug information in the browser or …
using Flask and Tornado together? Question: I am a big fan of Flask – in part because it is simple and in part because has a lot of extensions. However, Flask is meant to be used in a WSGI environment, and WSGI is not a non-blocking, so (I believe) it doesn’t scale as well as …
