This is a logging framework. It is based on jk_logging but can be used with Asyncio.
This python module ...
Information about this module can be found here:
Why this module?
jk_logging there is a logging module available that allows constructing loggers from a JSON based description, offers buffers for log messages and supports hierarchical logging. Unfortunately this particular module is synchroneous and therefore can not be used in
Asyncio directly. This implementation therefore wraps
jk_logging and provides an API usable in
Limitations of this module
This module provides classes wrapping (almost all) classes from
jk_logging. It provides almost all functionality despite one: Descending hierarchically is not supported. (This might change one day, but not in the near future.)
How to install module
This module can be installed easily using
Use this command for a system wide installation of this module:
$ sudo pip install jk-asyncio-logging
Use this command for user specific installation of this module:
$ pip install --user jk-asyncio-logging
The PiPy module is always kept in sync with the Github repository so using PyPi is equivalent to a manual installation using the code provided on Github.
How to use this module
Import this module
Please include this module into your application using the following code:
Construct a logger
log = jk_asyncio_logging.AsyncioConsoleLogger.create(logMsgFormatter=jk_asyncio_logging.COLOR_LOG_MESSAGE_FORMATTER)
Here we construct a console logger (which is an object that writes log messages to STDOUT.) It is configured for using colors for all output here.
Use the logger
You can create text based log messages and write them to the logger. Example:
await log.debug("This is a test for DEBUG.") await log.notice("This is a test for NOTICE.") await log.info("This is a test for INFO.") await log.warning("This is a test for WARNING.") await log.error("This is a test for ERROR.")
Exceptions can be logged as well. Example:
try: await log.notice("Let's try a calculation that will fail ...") a = 0 b = 5 / a except Exception as ee: await log.error(ee)
What kind of log objects are available?
You can make use of the following log objects:
AsyncioBufferLogger- implements a buffer for log messages, which later on can be forwareded to another logger
AsyncioConsoleLogger- implements writing to STDOUT
AsyncioFileLogger- implements writing to a file
AsyncioFilterLogger- implements filtering of log messages according to log level
AsyncioMulticastLogger- implements forwarding log messages to multiple loggers
AsyncioNamedMulticastLogger- implements forwarding log messages to multiple loggers
AsyncioNullLogger- discards all log messages
AsyncioStringListLogger- implements a buffer for log messages, where all log messages are stored a plain text strings
test directory for detailed examples of all loggers.
This is Open Source code. That not only gives you the possibility of freely using this code it also allows you to contribute. Feel free to contact the author(s) of this software listed below, either for comments, collaboration requests, suggestions for improvement or reporting bugs:
This software is provided under the following license:
- Apache Software License 2.0
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