Rich pretty logging and tracebacks for Sanic webserver in Python

server.py

import sanic
import sanic_cors


app = sanic.Sanic(__name__, log_config={
    'version': 1,
    'disable_existing_loggers': False,
    'loggers': {
        "sanic.root": {
            "level": "INFO",
            "handlers": ["console"],
        },
        "sanic.error": {
            "level": "INFO",
            "handlers": ["console"],
            "propagate": True,
            "qualname": "sanic.error",
        },
        "sanic.access": {
            "level": "INFO",
            "handlers": ["access_console"],
            "propagate": True,
            "qualname": "sanic.access",
        },
    },
    'handlers': {
        "console": {
            "class": "rich.logging.RichHandler",
            "formatter": "generic",
            "level": "INFO",
            'rich_tracebacks': True,
            'tracebacks_suppress': [sanic, sanic_cors],
        },
        "access_console": {
            "class": "rich.logging.RichHandler",
            "formatter": "access",
            'rich_tracebacks': True,
        },
    },
    'formatters': {
        "generic": {
            "format": "%(asctime)s %(message)s",
            "datefmt": "[%X]",
            "class": "logging.Formatter",
        },
        "access": {
            "format": "%(request)s %(message)s %(status)d",
            "datefmt": "[%X]",
            "class": "logging.Formatter",
        },
    },
})

Needs https://github.com/Textualize/rich installed.

Override the logging config specified by Sanic to use the rich.logging.RichHandler instead of the built in Python one.

Does a little fiddling with the formatters as well so there isn't duplication between Rich and the defaults.