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[RFC] Allow to configure exception formatter #86

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[RFC] Allow to configure exception formatter #86

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dadac80
Allow for exception_formatter=None
blueyed Apr 9, 2019
1c7c7a4
Add exception_formatter kwarg to logger.add
blueyed Apr 9, 2019
cb43c84
Move instantiation of exception_formatter up
blueyed Apr 9, 2019
4fec4a4
Logger.add: append exception to formatter only with exception formatter
blueyed Apr 9, 2019
e99e482
add test_handler_with_no_exception_formatter
blueyed Apr 9, 2019
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Add exception_formatter kwarg to logger.add
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@blueyed
blueyed committed Apr 9, 2019
commit 1c7c7a41af21058d10f49603ee434a932aafb96b
20 changes: 13 additions & 7 deletions loguru/_logger.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@

start_time = now()

UNSET = object()


class Logger:
"""An object to dispatch logging messages to configured handlers.
Expand Down Expand Up @@ -163,6 +165,7 @@ def add(
diagnose=_defaults.LOGURU_DIAGNOSE,
enqueue=_defaults.LOGURU_ENQUEUE,
catch=_defaults.LOGURU_CATCH,
exception_formatter=UNSET,
**kwargs
):
r"""Add a handler sending log messages to a sink adequately configured.
Expand Down Expand Up @@ -201,6 +204,8 @@ def add(
Whether or not errors occurring while sink handles logs messages should be caught or
not. If ``True``, an exception message is displayed on |sys.stderr| but the exception is
not propagated to the caller, preventing your app to crash.
exception_formatter : |ExceptionFormatter|, optional
By default ``loguru._better_exceptions.ExceptionFormatter`` is used.
**kwargs
Additional parameters that will be passed to the sink while creating it or while
logging messages (the exact behavior depends on the sink type).
Expand Down Expand Up @@ -762,13 +767,14 @@ def filter_func(r):
handler_id = next(self._handlers_count)
colors = [lvl.color for lvl in self._levels.values()] + [""]

exception_formatter = ExceptionFormatter(
colorize=colorize,
encoding=encoding,
diagnose=diagnose,
backtrace=backtrace,
hidden_frames_filename=self.catch.__code__.co_filename,
)
if exception_formatter is UNSET:
exception_formatter = ExceptionFormatter(
colorize=colorize,
encoding=encoding,
diagnose=diagnose,
backtrace=backtrace,
hidden_frames_filename=self.catch.__code__.co_filename,
)

handler = Handler(
writer=writer,
Expand Down