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Pyramid plugin for YAML logging configuration.

Project description

Pyramid Sawing

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A Pyramid framework plugin for configurating logging via YAML. This uses the Python standard-library’s logging (initialized using logging.config.dictConfig).

Usage

Include the package in your project, either by adding to the INI configuration:

pyramid.includes = pyramid_sawing
pyramid_sawing.file = my-logging-config.yaml

Or declarative via the configuration object:

config.include('pyramid_sawing')
assert 'pyramid_sawing.file' in config.registry.settings

You’ll be required to specify a logging configuration file at pyramid_sawing.file, which points to the file that contains your YAML logging configuration.

YAML Configuration

This configuration follows the standard-library’s logging.config dictionary schema

An example configuration might look like this:

###
# logging configuration
###
version: 1

formatters:
  generic:
    format    : '%(asctime)s %(levelname)-5.5s [%(name)s][%(threadName)s] %(message)s'
  papertrail:
    format    : '%(asctime)s %(hostname)s my_project %(message)s'
    datefmt   : '%Y-%m-%dT%H:%M:%S'
filters:
  context:
    ()        : pyramid_sawing.filters.ContextFilter
handlers:
  console:
    class     : logging.StreamHandler
    level     : NOTSET
    formatter : generic
    stream    : 'ext://sys.stdout'
  syslog:
    class     : logging.handlers.SysLogHandler
    level     : DEBUG
    formatter : papertrail
    filters   : [context]
    address   : ['<host>.papertrailapp.com', 11111]
loggers:
  my_project:
    level     : INFO
    handlers  : [console, syslog]
    propagate : 0
root:
  level       : NOTSET
  handlers    : []

A typical gotcha in configuring this is to forget the ‘version’. Please make sure you include version: 1 in your configuration.

Additional Features

Transit Logging

This resembles the functionality you would find in pyramid_translogger except that this implementation is more configurable.

To enable this feature, add the following line to your configuraton/settings.

pyramid_sawing.transit_logging.enabled? = yes
# Optional...
# The default logger_name is `transit_logger`
pyramid_sawing.transit_logging.logger_name = lumberjack

A template for configuring the transit logger would be something like:

formatters:
  apache_style:
    # filters : [environ]
    format    : '%(REMOTE_ADDR)s - %(REMOTE_USER)s [%(asctime)s] "%(REQUEST_METHOD)s %(REQUEST_URI)s %(HTTP_VERSION)s" %(status)s %(bytes)s "%(HTTP_REFERER)s" "%(HTTP_USER_AGENT)s"'
    datefmt   : '%d/%b/%Y:%H:%M:%S'
filters:
  environ:
    ()        : pyramid_sawing.filters.EnvironFilter
handlers:
  console:
    class     : logging.StreamHandler
    formatter : apache_style
    filters   : [environ]
    stream    : 'ext://sys.stdout'
loggers:
  transit_logger:
    handlers  : [console]
    propagate : 0

This should give you the exact same output as pyramid_translogger.

License

This software is subject to the provisions of the GNU Affero General Public License Version 3.0 (AGPL). See LICENSE.txt for details. Copyright (c) 2015 Rice University

Change Log

1.1.3

  • Adjust the transit logging tween to set and return the response attribute of the request object.

  • Fix tests for Python3 compatiblity.

1.1.2

  • Fix the transit logging tween to return the response coming from the handler rather than the one attached to the request object. [pumazi]

1.1.1

  • Fix the transit logging tween by returning the response, which caused secondary tweens and event subscribers to fail. [pumazi]

1.1.0

  • Add a transit (request) logging feature that mimics functionality found in pyramid_translogger. [pumazi]

1.0.0

  • Add a logging filter that allows for %(hostname)s be be used within log lines. [pumazi]

  • Logging from a YAML file. [pumazi]

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