py-structlog: updated to 19.2.0
19.2.0:
Backward-incompatible changes:
- Python 3.4 is not supported anymore.
It has been unsupported by the Python core team for a while now and its PyPI downloads are negligible.
It's very unlikely that ``structlog`` will break under 3.4 anytime soon, but we don't test it anymore.
Changes:
- Full Python 3.8 support for ``structlog.stdlib``.
- Added more pass-through properties to ``structlog.stdlib.BoundLogger``.
To makes it easier to use it as a drop-in replacement for ``logging.Logger``.
- ``structlog.stdlib.ProcessorFormatter`` now takes a logger object as an optional keyword argument.
This makes ``ProcessorFormatter`` work properly with ``stuctlog.stdlib.filter_by_level()``.
- ``structlog.dev.ConsoleRenderer`` now uses no colors by default, if ``colorama`` is not available.
- ``structlog.dev.ConsoleRenderer`` now initializes ``colorama`` lazily, to prevent accidental side-effects just by importing ``structlog``.
- Added new processor ``structlog.dev.set_exc_info()`` that will set ``exc_info=True`` if the method's name is `exception` and ``exc_info`` isn't set at all.
*This is only necessary when the standard library integration is not used*.
It fixes the problem that in the default configuration, ``structlog.get_logger().exception("hi")`` in an ``except`` block would not print the exception without passing ``exc_info=True`` to it explicitly.
- A best effort has been made to make as much of ``structlog`` pickleable as possible to make it friendlier with ``multiprocessing`` and similar libraries.
Some classes can only be pickled on Python 3 or using the `dill <https://pypi.org/project/dill/>`_ library though and that is very unlikely to change.
So far, the configuration proxy, ``structlog.processor.TimeStamper``, ``structlog.BoundLogger``, ``structlog.PrintLogger`` and ``structlog.dev.ConsoleRenderer`` have been made pickelable.
- Added a new thread-local API that allows binding values to a thread-local context explicitly without affecting the default behavior of ``bind()``.
- Added ``pass_foreign_args`` argument to ``structlog.stdlib.ProcessorFormatter``.
It allows to pass a foreign log record's ``args`` attribute to the event dictionary under the ``positional_args`` key.
- ``structlog.dev.ConsoleRenderer`` now calls ``str()`` on the event value.
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