log_to_slack
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Python log handler that posts to a Slack channel. Posts to the Slack API
using https://github.com/slackapi/python-slack-sdk
Original work by Mathias Ose https://github.com/mathiasose/slacker_log_handler
Installation
.. code-block:: bash
pip install log-to-slack
Options
api_key (required)
Generate a key at https://api.slack.com/
channel (required)
Set which channel id you want to post to, e.g. "C0XXXXXXXXX".
username
The username that will post to Slack. Defaults to "Python logger".
icon_url
URL to an image to use as the icon for the logger user
icon_emoji
emoji to use as the icon. Overrides icon_url. If neither icon_url nor
icon_emoji is set, :heavy_exclamation_mark: will be used.
fail_silent
Defaults to False.
If your API key is invalid or for some other reason the API call returns an error,
this option will silently ignore the API error.
If you enable this setting, make sure you have another log handler that will also handle the same log events,
or they may be lost entirely.
Example Python logging handler
This is how you use slacker_log_handler
as a regular Python logging handler.
This example will send a error message to a slack channel.
.. code-block:: python
import logging
import sys
from datetime import datetime
from log_to_slack import SlackLogHandler, NoStacktraceFormatter
logger = logging.getLogger("Daily Report")
logger.setLevel(logging.DEBUG)
""" Adding slack handler """
slack_handler = SlackerLogHandler(
"xoxb-XXXXX-XXX", # slack api token
"C0XXXXXXXXX", # channel id not channel name
stack_trace=True,
fail_silent=True,
)
formatter = NoStacktraceFormatter(
"%(asctime)s - %(name)s - %(levelname)s - %(message)s"
)
slack_handler.setFormatter(formatter)
slack_handler.setLevel(logging.ERROR)
logger.addHandler(slack_handler)
if __name__ == "__main__":
logger.debug("Debug message to slack!")
logger.info("Info message to slack!")
logger.warning("Warning message to slack!")
try:
x = 5 / 0
except:
logger.exception("Exception message to slack!")
# # you can also use the below statement to log error with trace info
# logger.error("Error message to slack!", exc_info=True)
Slack message formatting
This example use a subclass that will send a formatted message to a slack channel.
Reference: https://api.slack.com/reference/surfaces/formatting
.. code-block:: python
class CustomLogHandler(SlackLogHandler):
def build_msg(self, record):
message = "> New message :\n" + record.getMessage()
return message
License
Apache 2.0
Slacker is also under Apache 2.0.
See also: https://api.slack.com/terms-of-service