https://github.com/betodealmeida/consolelog

Log to browser console from Python
https://github.com/betodealmeida/consolelog

browser console logging python

Last synced: 4 months ago
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Log to browser console from Python

• Host: GitHub
• URL: https://github.com/betodealmeida/consolelog
• Owner: betodealmeida
• License: mit
• Created: 2018-03-21T20:50:42.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2022-12-27T15:33:37.000Z (about 2 years ago)
• Last Synced: 2024-09-26T03:23:31.953Z (5 months ago)
• Topics: browser, console, logging, python
• Language: Python
• Size: 350 KB
• Stars: 9
• Watchers: 2
• Forks: 2
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# console_log #

This module provides a WSGI middleware that allows you to log to the browser console from Python:

```python

import logging

from flask import Flask

from console_log import ConsoleLog

console = logging.getLogger('console')

console.setLevel(logging.DEBUG)

app = Flask(__name__)

@app.route('/')

def hello():

    logger.error('Error logged from Python')

    logger.warning('Warning logged from Python')

    logger.info('Info logged from Python')

    logger.debug('Debug logged from Python')

    logger.debug({'foo': ['bar', 'baz']})

    return "Hello World!"

app.wsgi_app = ConsoleLog(app.wsgi_app, console)

```

The logged messages will then show up in the browser console:

![Example showing messages in console](https://github.com/betodealmeida/consolelog/blob/master/docs/console_log.png)

# How it works #

The new WSGI app does two things:

1. Creates a websocket backchannel.

2. Injects Javascript code into HTML responses, fetching data from the websocket channel and logging them to console.