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from PyQt5 import QtWidgets, QtCore
from configuration.Appconfig import Appconfig
from configparser import ConfigParser
from frontEnd import TerminalUi
import os
import time
# This Class creates NgSpice Window
class NgspiceWidget(QtWidgets.QWidget):
def __init__(self, command, simulationEssentials):
"""
- Creates constructor for NgspiceWidget class.
- Checks whether OS is Linux or Windows and
creates Ngspice window accordingly.
"""
QtWidgets.QWidget.__init__(self)
self.obj_appconfig = Appconfig()
self.process = QtCore.QProcess(self)
self.terminal = QtWidgets.QWidget(self)
self.projDir = self.obj_appconfig.current_project["ProjectName"]
self.checkChangeInPlotFile = simulationEssentials['checkChangeInPlotFile']
self.enableButtons = simulationEssentials['enableButtons']
self.args = ['-b', '-r', command.replace(".cir.out", ".raw"), command]
self.terminalUi = TerminalUi.Ui_Form(self.process, self.args)
self.terminalUi.setupUi(self.terminal)
self.layout = QtWidgets.QVBoxLayout(self)
self.layout.addWidget(self.terminal)
self.errorFlag = False
print("Argument to ngspice command : ", command)
if os.name == 'nt': # For Windows OS
parser_nghdl = ConfigParser()
parser_nghdl.read(
os.path.join('library', 'config', '.nghdl', 'config.ini')
)
msys_home = parser_nghdl.get('COMPILER', 'MSYS_HOME')
tempdir = os.getcwd()
projPath = self.obj_appconfig.current_project["ProjectName"]
os.chdir(projPath)
self.command = 'cmd /c '+'"start /min ' + \
msys_home + "/usr/bin/mintty.exe ngspice -p " + command + '"'
self.process.start(self.command)
os.chdir(tempdir)
else: # For Linux OS
# Creating argument for process
self.currTime = time.time()
self.process.setWorkingDirectory(self.projDir)
self.process.start('ngspice', self.args)
self.process.started.connect(lambda: self.enableButtons(state=False))
self.process.readyReadStandardOutput.connect(lambda: self.readyReadAll())
self.process.finished.connect(self.finishSimulation)
self.obj_appconfig.process_obj.append(self.process)
print(self.obj_appconfig.proc_dict)
(
self.obj_appconfig.proc_dict
[self.obj_appconfig.current_project['ProjectName']].append(
self.process.pid())
)
self.gawProcess = QtCore.QProcess(self)
self.gawCommand = "gaw " + command.replace(".cir.out", ".raw")
self.gawProcess.start('sh', ['-c', self.gawCommand])
print(self.gawCommand)
def finishSimulation(self, exitCode, exitStatus):
self.checkChangeInPlotFile(self.currTime, exitStatus)
self.readyToPrintSimulationStatus = True
#To stop progressbar from running after simulation is completed
self.terminalUi.progressBar.setMaximum(100)
self.terminalUi.progressBar.setProperty("value", 100)
self.writeSimulationStatus()
#To set the current time stamp of the generated file so as for re-simulation
self.currTime = time.time()
def writeSimulationStatus(self):
if self.readyToPrintSimulationStatus is False:
return
st = os.stat(os.path.join(self.projDir, "plot_data_i.txt"))
if st.st_mtime >= self.currTime:
self.terminalUi.writeSimulationStatusToConsole(isSuccess=True)
else:
self.terminalUi.writeSimulationStatusToConsole(isSuccess=False)
self.terminalUi.simulationConsole.verticalScrollBar().setValue(
self.terminalUi.simulationConsole.verticalScrollBar().maximum()
)
self.readyToPrintSimulationStatus = False
@QtCore.pyqtSlot()
def readyReadAll(self):
self.terminalUi.simulationConsole.insertPlainText(
str(self.process.readAllStandardOutput().data(), encoding='utf-8')
)
stderror = self.process.readAllStandardError()
if stderror.toUpper().contains(b"ERROR"):
self.errorFlag = True
self.terminalUi.simulationConsole.insertPlainText(
str(stderror.data(), encoding='utf-8')
)
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