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_TaskPanelCfdSolverControl.py
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_TaskPanelCfdSolverControl.py
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# ***************************************************************************
# * *
# * Copyright (c) 2013-2015 - Juergen Riegel <FreeCAD@juergen-riegel.net> *
# * Copyright (c) 2016 - Qingfeng Xia <qingfeng.xia()eng.ox.ac.uk> *
# * Copyright (c) 2017 Alfred Bogaers (CSIR) <abogaers@csir.co.za> *
# * Copyright (c) 2017 Johan Heyns (CSIR) <jheyns@csir.co.za> *
# * Copyright (c) 2017 Oliver Oxtoby (CSIR) <ooxtoby@csir.co.za> *
# * Copyright (c) 2019 Oliver Oxtoby <oliveroxtoby@gmail.com> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program 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 Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
import FreeCAD
import CfdTools
import os
import os.path
import time
from CfdConsoleProcess import CfdConsoleProcess
if FreeCAD.GuiUp:
import FreeCADGui
from PySide import QtCore
from PySide import QtGui
from PySide.QtCore import Qt
from PySide.QtGui import QApplication
class _TaskPanelCfdSolverControl:
def __init__(self, solver_runner_obj):
ui_path = os.path.join(os.path.dirname(__file__), "TaskPanelCfdSolverControl.ui")
self.form = FreeCADGui.PySideUic.loadUi(ui_path)
self.analysis_object = CfdTools.getActiveAnalysis()
self.solver_runner = solver_runner_obj
self.solver_object = solver_runner_obj.solver
# update UI
self.console_message = ''
self.solver_run_process = CfdConsoleProcess(finishedHook=self.solverFinished,
stdoutHook=self.gotOutputLines,
stderrHook=self.gotErrorLines)
self.Timer = QtCore.QTimer()
self.form.terminateSolver.clicked.connect(self.killSolverProcess)
self.form.terminateSolver.setEnabled(False)
self.open_paraview = QtCore.QProcess()
self.working_dir = CfdTools.getOutputPath(self.analysis_object)
self.updateUI()
# Connect Signals and Slots
self.form.pb_write_inp.clicked.connect(self.write_input_file_handler)
self.form.pb_edit_inp.clicked.connect(self.editSolverInputFile)
self.form.pb_run_solver.clicked.connect(self.runSolverProcess)
self.form.pb_paraview.clicked.connect(self.openParaview)
self.Timer.timeout.connect(self.updateText)
self.Start = time.time()
def updateUI(self):
solverDirectory = os.path.join(self.working_dir, self.solver_object.InputCaseName)
self.form.pb_edit_inp.setEnabled(os.path.exists(solverDirectory))
self.form.pb_paraview.setEnabled(os.path.exists(os.path.join(solverDirectory, "pv.foam")))
self.form.pb_run_solver.setEnabled(os.path.exists(os.path.join(solverDirectory, "Allrun")))
def consoleMessage(self, message="", color="#000000"):
self.console_message = self.console_message + \
'<font color="#0000FF">{0:4.1f}:</font> <font color="{1}">{2}</font><br>'.\
format(time.time() - self.Start, color, message)
self.form.textEdit_Output.setText(self.console_message)
self.form.textEdit_Output.moveCursor(QtGui.QTextCursor.End)
def updateText(self):
if self.solver_run_process.state() == QtCore.QProcess.ProcessState.Running:
self.form.l_time.setText('Time: {0:4.1f}'.format(time.time() - self.Start))
def getStandardButtons(self):
return int(QtGui.QDialogButtonBox.Close)
def accept(self):
FreeCADGui.ActiveDocument.resetEdit()
def reject(self):
self.solver_run_process.terminate()
self.solver_run_process.waitForFinished()
self.open_paraview.terminate()
FreeCADGui.ActiveDocument.resetEdit()
def write_input_file_handler(self):
self.Start = time.time()
if self.check_prerequisites_helper():
self.consoleMessage("Case writer called")
self.form.pb_paraview.setEnabled(False)
self.form.pb_edit_inp.setEnabled(False)
self.form.pb_run_solver.setEnabled(False)
QApplication.setOverrideCursor(Qt.WaitCursor)
try:
FreeCADGui.addModule("CfdCaseWriterFoam")
FreeCADGui.doCommand("writer = CfdCaseWriterFoam.CfdCaseWriterFoam(FreeCAD.ActiveDocument." +
self.solver_runner.analysis.Name + ")")
FreeCADGui.doCommand("writer.writeCase()")
except Exception as e:
self.consoleMessage("Error writing case:", "#FF0000")
self.consoleMessage(str(e), "#FF0000")
self.consoleMessage("Write case setup file failed", "#FF0000")
raise
finally:
QApplication.restoreOverrideCursor()
self.consoleMessage("Write case is completed")
self.updateUI()
self.form.pb_run_solver.setEnabled(True)
else:
self.consoleMessage("Case check failed", "#FF0000")
def check_prerequisites_helper(self):
self.consoleMessage("Checking dependencies...")
message = self.solver_runner.check_prerequisites()
if message != "":
self.consoleMessage(message, "#FF0000")
return False
return True
def editSolverInputFile(self):
case_path = os.path.join(self.working_dir, self.solver_object.InputCaseName)
self.consoleMessage("Please edit the case input files externally at: {}\n".format(case_path))
CfdTools.openFileManager(case_path)
def runSolverProcess(self):
self.Start = time.time()
solverDirectory = os.path.join(self.working_dir, self.solver_object.InputCaseName)
solverDirectory = os.path.abspath(solverDirectory)
cmd = self.solver_runner.get_solver_cmd(solverDirectory)
FreeCAD.Console.PrintMessage(' '.join(cmd) + '\n')
envVars = self.solver_runner.getRunEnvironment()
QApplication.setOverrideCursor(Qt.WaitCursor)
self.solver_run_process.start(cmd, env_vars=envVars)
if self.solver_run_process.waitForStarted():
# Setting solve button to inactive to ensure that two instances of the same simulation aren't started
# simultaneously
self.form.pb_write_inp.setEnabled(False)
self.form.pb_run_solver.setEnabled(False)
self.form.terminateSolver.setEnabled(True)
self.form.pb_paraview.setEnabled(True)
self.consoleMessage("Solver started")
else:
self.consoleMessage("Error starting solver")
QApplication.restoreOverrideCursor()
def killSolverProcess(self):
self.consoleMessage("Solver manually stopped")
self.solver_run_process.terminate()
# Note: solverFinished will still be called
def solverFinished(self, exit_code):
if exit_code == 0:
self.consoleMessage("Simulation finished successfully")
else:
self.consoleMessage("Simulation exited with error", "#FF0000")
self.form.pb_write_inp.setEnabled(True)
self.form.pb_run_solver.setEnabled(True)
self.form.terminateSolver.setEnabled(False)
def gotOutputLines(self, lines):
self.solver_runner.process_output(lines)
def gotErrorLines(self, lines):
print_err = self.solver_run_process.processErrorOutput(lines)
if print_err is not None:
self.consoleMessage(print_err, "#FF0000")
def openParaview(self):
self.Start = time.time()
QApplication.setOverrideCursor(Qt.WaitCursor)
case_path = os.path.abspath(os.path.join(self.working_dir, self.solver_object.InputCaseName))
script_name = "pvScript.py"
try:
self.open_paraview = CfdTools.startParaview(case_path, script_name, self.consoleMessage)
finally:
QApplication.restoreOverrideCursor()