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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, qprocess):
"""
- 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 = qprocess
self.projDir = self.obj_appconfig.current_project["ProjectName"]
self.args = ['-b', '-r', command.replace(".cir.out", ".raw"), command]
self.terminalUi = TerminalUi.TerminalUi(self.process, self.args)
self.layout = QtWidgets.QVBoxLayout(self)
self.layout.addWidget(self.terminalUi)
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
self.currTime = time.time()
self.process.setWorkingDirectory(self.projDir)
self.process.start('ngspice', self.args)
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):
"""This function is intended to run when the ngspice
simulation finishes. It singals to the function that generates
the plots and also writes in the appropriate status of the
simulation (Whether it was a success or not).
:param exitCode: The exit code signal of the qprocess
that runs ngspice
:type exitCode: int
:param exitStatus: The exit status signal of the
qprocess that runs ngspice
:type exitStatus: class:`QtCore.QProcess.ExitStatus`
"""
# To stop progressbar from running after simulation is completed
self.terminalUi.progressBar.setMaximum(100)
self.terminalUi.progressBar.setProperty("value", 100)
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()
)
# To set the current time stamp of the generated
# file so as for re-simulation
self.currTime = time.time()
@QtCore.pyqtSlot()
def readyReadAll(self):
"""Outputs the ngspice process standard output and standard error
to :class:`TerminalUi.TerminalUi` console
"""
self.terminalUi.simulationConsole.insertPlainText(
str(self.process.readAllStandardOutput().data(), encoding='utf-8')
)
stderror = str(self.process.readAllStandardError().data(),
encoding='utf-8')
# For suppressing the PrinterOnly error that batch mode throws
stderror = '\n'.join([line for line in stderror.split('\n')
if ('PrinterOnly' not in line and
'viewport for graphics' not in line)])
self.terminalUi.simulationConsole.insertPlainText(
stderror
)
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