Railway•2mo ago

Logs being flagged as Errors

Hi, I'm using the Python module (https://docs.python.org/3/library/logging.html) to differentiate logs however on the Railway logs it doesn't seem to differentiate between Warnings and Errors and just labels everything with an Error level. It could be something with my configuration but curious if anyone else has encountered this or have a logging configuration that works for them?

Python documentation

logging — Logging facility for Python

Source code: Lib/logging/init.py Important: This page contains the API reference information. For tutorial information and discussion of more advanced topics, see Basic Tutorial, Advanced Tutor...

Solution:

They are counted as errors because they are printed to stderr, if you want colored logs for info, error, warn, debug -- you will need to use JSON logging

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7 Replies

Percy•2mo ago

Project ID: c61c1785-a8d8-43d0-9d8b-6bd1f69aa3bf

cerwindOP•2mo ago

c61c1785-a8d8-43d0-9d8b-6bd1f69aa3bf

Solution

Brody•2mo ago

They are counted as errors because they are printed to stderr, if you want colored logs for info, error, warn, debug -- you will need to use JSON logging

cerwindOP•2mo ago

Ah, assuming something like: https://github.com/madzak/python-json-logger

GitHub

GitHub - madzak/python-json-logger: Json Formatter for the standard...

Json Formatter for the standard python logger. Contribute to madzak/python-json-logger development by creating an account on GitHub.

Brody•2mo ago

I'm not a python guy, but I assume so too

ThallesComH•2mo ago

no need for a library, just send the correct log level to the correct output

import sys
import logging

class InfoFilter(logging.Filter):
    def filter(self, rec):
        return rec.levelno in (logging.DEBUG, logging.INFO)


logger = logging.getLogger("__name__")
logger.setLevel(logging.DEBUG)

h1 = logging.StreamHandler(sys.stdout)
h1.setLevel(logging.DEBUG)
h1.addFilter(InfoFilter())
h2 = logging.StreamHandler()
h2.setLevel(logging.WARNING)

logger.addHandler(h1)
logger.addHandler(h2)

import sys
import logging

class InfoFilter(logging.Filter):
    def filter(self, rec):
        return rec.levelno in (logging.DEBUG, logging.INFO)


logger = logging.getLogger("__name__")
logger.setLevel(logging.DEBUG)

h1 = logging.StreamHandler(sys.stdout)
h1.setLevel(logging.DEBUG)
h1.addFilter(InfoFilter())
h2 = logging.StreamHandler()
h2.setLevel(logging.WARNING)

logger.addHandler(h1)
logger.addHandler(h2)

any logs greater than warning will go to stderr

Brody•2mo ago

more people need to use JSON logging

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Programming

Logs being flagged as Errors