Apache-like combined logging for WSGI Web Applications
This is a middleware which you can use to log requests to your WSGI based site. It’s even imitating Apache’s combined log format to allow you to use any of the many tools for Apache log file analysis.
By making use of Python’s standard library logging facilities, you can easily set it up to log to STDOUT, time rotated log files, email, syslog, etc.
Simply install this Python module via
pip install wsgi-request-logger
To add this middleware to your WSGI application and log to the file access.log, do:
from requestlogger import WSGILogger, ApacheFormatter from logging.handlers import TimedRotatingFileHandler def application(environ, start_response): response_body = 'The request method was %s' % environ['REQUEST_METHOD'] response_body = response_body.encode('utf-8') response_headers = [('Content-Type', 'text/plain'), ('Content-Length', str(len(response_body)))] start_response('200 OK', response_headers) return [response_body] handlers = [ TimedRotatingFileHandler('access.log', 'd', 7) , ] loggingapp = WSGILogger(application, handlers, ApacheFormatter()) if __name__ == '__main__': from wsgiref.simple_server import make_server http = make_server('', 8080, loggingapp) http.serve_forever()
This software, wsgi-request-logger, is published under a 3-clause BSD license.
To read about your options for the logging handler, you may want to read Python’s Logging Cookbook.
Documentation on Apache’s log format can be found here.
The WSGI - Web Server Gateway Interface - is defined in PEP 333 with an update for Python 3 in PEP 3333.
The source code for this Python module is hosted on Github.
A blog post with more background information and usage examples: wsgi-request-logger – Logging HTTP Requests With Any WSGI Web Application like Flask, Bottle or Django
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