warning_manager.py
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	# Copyright (C) 2018 by the RROMPy authors
	#
	# This file is part of RROMPy.
	#
	# RROMPy is free software: you can redistribute it and/or modify
	# it under the terms of the GNU Lesser General Public License as published by
	# the Free Software Foundation, either version 3 of the License, or
	# (at your option) any later version.
	#
	# RROMPy is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU Lesser General Public License for more details.
	#
	# You should have received a copy of the GNU Lesser General Public License
	# along with RROMPy. If not, see <http://www.gnu.org/licenses/>.
	#

	import traceback as tb
	from datetime import datetime

	__all__ = ['RROMPyWarning']

	def getTimestamp() -> str:
	return "\x1b[42m{}\x1b[0m".format(datetime.now().strftime("%H:%M:%S.%f"))

	def RROMPyWarning(msg : str = "", stacklevel : int = 0):
	frameSummary = tb.extract_stack()[- 3 - stacklevel]
	timestamp = getTimestamp()
	if frameSummary.name == "<module>": name = ""
	else: name = ", within {}".format(frameSummary.name)
	print("{}\x1b[3m Warning at {}:{}{}:\x1b[0m".format(timestamp,
	frameSummary.filename,
	frameSummary.lineno,
	name))
	print("> \x1b[31m{}\x1b[0m".format(frameSummary.line))
	if len(msg) > 0:
	print("\x1b[3m {}\x1b[0m\n".format(msg))