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OutputLog.py
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OutputLog.py
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#/usr/bin/env python
#
# Copyright (C) 2016-2017 DNW German-Dutch Wind Tunnels
#
# This file is part of nettools.
# Nettools is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Nettools 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with nettools. If not, see <http://www.gnu.org/licenses/>.
""" This module provides the OutLog class. """
import PyQt4.QtGui as QtGui
class OutLog(object):
""" Outlog enables one to redirect stdout and stderr to a QTextEdit widget. """
def __init__(self, edit, out=None, color=None):
""" (edit, out=None, color=None) -> can write stdout, stderr to a QTextEdit. """
self.edit = edit
self.out = out
self.color = color
def write(self, msg):
""" Write a message to output and QTextEdit. """
if self.color:
txt_color = self.edit.textColor()
self.edit.setTextColor(self.color)
self.edit.moveCursor(QtGui.QTextCursor.End)
self.edit.insertPlainText(msg)
self.edit.ensureCursorVisible()
if self.color:
self.edit.setTextColor(txt_color)
if self.out:
try:
self.out.write(msg)
except IOError:
pass
def flush(self):
""" Flush output. """
if self.out:
try:
self.out.flush()
except IOError:
pass