SasviewLogger.py

ESS_GUI

Last change on this file was e4335ae, checked in by Piotr Rozyczko <piotr.rozyczko@…>, 6 years ago

SASVIEW-957 logging changes (#158)

rework XStream to continue to write to stdout/stderr alongside redirection; make logging level setting consistent; make log configuration more consistent

rm XStream; QT signal in QtHandler? logging handler; only logs in Log Explorer (no stdout/stderr)

File size: 801 bytes

Rev	Line
[0cd8612]	1	import os
	2	import sys
	3	import logging
	4
[4992ff2]	5	from PyQt5.QtCore import *
[0cd8612]	6
	7
[e4335ae]	8	class QtHandler(QObject, logging.Handler):
[0cd8612]	9	"""
[e4335ae]	10	Version of logging handler "emitting" the message to custom stdout()
[0cd8612]	11	"""
[e4335ae]	12	messageWritten = pyqtSignal(str)
	13
[0cd8612]	14	def __init__(self):
[e4335ae]	15	QObject.__init__(self)
[0cd8612]	16	logging.Handler.__init__(self)
	17
	18	def emit(self, record):
	19	record = self.format(record)
	20	if record:
[e4335ae]	21	self.messageWritten.emit('%s\n'%record)
	22
[0cd8612]	23
[e4335ae]	24	def setup_qt_logging():
	25	# Define the default logger
	26	logger = logging.getLogger()
[0cd8612]	27
[e4335ae]	28	# Add the qt-signal logger
	29	handler = QtHandler()
	30	handler.setFormatter(logging.Formatter(
	31	fmt="%(asctime)s - %(levelname)s: %(message)s",
	32	datefmt="%H:%M:%S"
	33	))
	34	logger.addHandler(handler)
[0cd8612]	35
[e4335ae]	36	return handler

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