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Project Description

python-bunyan

Json logger compatible with node-bunyan

Get the code

git clone git@github.com:uphold/python-bunyan.git

Install

pip install bunyan

How to setup

Programatically

Create a new log handler and assign a BunyanFormatter formatter. Register the handler on the current logger.

import bunyan
import logging
import sys

logger = logging.getLogger()

logHandler = logging.StreamHandler(stream = sys.stdout)
formatter = bunyan.BunyanFormatter()
logHandler.setFormatter(formatter)
logger.addHandler(logHandler)
logger.setLevel(logging.DEBUG)

Using dictConfig

This is the same example as defined above, but using a dictionary with dictConfig.

LOG_CONFIG = {
  'formatters': {
    'bunyan': {
      '()' : 'bunyan.BunyanFormatter'
    }
  },
  'handlers': {
    'debug': {
      'class': 'logging.StreamHandler',
      'formatter': 'bunyan',
      'stream': 'ext://sys.stdout'
    },
  },

  'root': {
    'level': 'DEBUG',
    'handlers': ['debug']
  },
  'version': 1
}

import logging.config
logging.config.dictConfig(config)

How to use

After setting up your loggers, bunyan allows to log in two different ways: - Traditional - Using a dictionary

Traditional logging

String message

Traditionaly logging in python allows to log a string message.

logger.debug("This is a log message")

This will output:

{
  "name": "root",
  "pathname": "test.py",
  "levelname": "DEBUG",
  "msg": "This is a log message",
  "time": "2016-03-14T16:34:47Z",
  "hostname": "jalpedrinha-mbp.local",
  "level": 20,
  "pid": 41414,
  "v": 0
}

String message with extra dictionary

This module extends this functionality by allowing an extra keyword arg, and passing a dictionary.

logger.debug("This is a log message with extra context", extra = {'some': 'additional data'})

And the output will include some key and value:

{
  "name": "root",
  "time": "2016-03-14T16:36:12Z",
  "some": "additional data",
  "pathname": "test.py",
  "msg": "This is a log message with extra context",
  "levelname": "DEBUG",
  "hostname": "jalpedrinha-mbp.local",
  "level": 20,
  "pid": 41495,
  "v": 0
}

Dictionary

This method works similarly to using an extra dictionary without the string message, but instead of passing a keyword argument extra, you just pass the first positional argument as a dictionary.

logger.debug({'some': 'data'})

Which results in:

{
  "name": "root",
  "some": "data",
  "pathname": "test.py",
  "msg": "",
  "time": "2016-03-14T16:45:23Z",
  "levelname": "DEBUG",
  "hostname": "jalpedrinha-mbp.local",
  "level": 20,
  "pid": 43263,
  "v": 0
}

Testing

Docker-compose and tox

Run tox container:

docker-compose up

Natively

First, install dev-requirements

pip install -r dev-requirements.txt

Then run nose:

nosetests tests

Changelog

0.1.0 / 2016-03-15

  • #2 Add Bunyan Formatter (@jAlpedrinha)
Release History

Release History

0.1.2

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.1.1

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0.1.0

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
bunyan-0.1.2.tar.gz (8.0 kB) Copy SHA256 Checksum SHA256 Source Mar 18, 2016

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