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from PyQt4 import QtGui
from . import TrackWidget
from projManagement import Validation
import os
from xml.etree import ElementTree as ET
class SubcircuitTab(QtGui.QWidget):
"""
- This class creates Subcircuit Tab in KicadtoNgspice Window
- It dynamically creates the widget for subcircuits,
according to the .cir file
- Creates `lineEdit` and `Add` button, which triggers `fileSelector`
- Also, checks `Previous_value.xml` for previous subcircuit value
to autofill, the `lineEdit`
- Add button is bind to `trackSubcircuit`
- Also `trackSubcircuit` without button is triggered if `lineEdit` filled
"""
def __init__(self, schematicInfo, clarg1):
kicadFile = clarg1
(projpath, filename) = os.path.split(kicadFile)
project_name = os.path.basename(projpath)
try:
f = open(
os.path.join(
projpath,
project_name +
"_Previous_Values.xml"),
'r')
tree = ET.parse(f)
parent_root = tree.getroot()
for child in parent_root:
if child.tag == "subcircuit":
root = child
except BaseException:
print("Subcircuit Previous values XML is Empty")
QtGui.QWidget.__init__(self)
# Creating track widget object
self.obj_trac = TrackWidget.TrackWidget()
# Creating validation object
self.obj_validation = Validation.Validation()
# Row and column count
self.row = 0
self.count = 1 # Entry count
self.entry_var = {}
self.subcircuit_dict_beg = {}
self.subcircuit_dict_end = {}
# List to hold information about subcircuit
self.subDetail = {}
# Stores the number of ports in each subcircuit
self.numPorts = []
# Set Layout
self.grid = QtGui.QGridLayout()
self.setLayout(self.grid)
for eachline in schematicInfo:
words = eachline.split()
if eachline[0] == 'x':
# print("Subcircuit : Words", words[0])
self.obj_trac.subcircuitList[project_name + words[0]] = words
self.subcircuit_dict_beg[words[0]] = self.count
subbox = QtGui.QGroupBox()
subgrid = QtGui.QGridLayout()
subbox.setTitle("Add subcircuit for " + words[len(words) - 1])
self.entry_var[self.count] = QtGui.QLineEdit()
self.entry_var[self.count].setText("")
global path_name
try:
for child in root:
if child.tag[0] == eachline[0] \
and child.tag[1] == eachline[1]:
# print("Subcircuit MATCHING---", child.tag[0], \
# child.tag[1], eachline[0],eachline[1])
try:
if child[0].text \
and os.path.exists(child[0].text):
self.entry_var[self.count] \
.setText(child[0].text)
path_name = child[0].text
else:
self.entry_var[self.count].setText("")
except BaseException as e:
print("Error when set text of " +
"subcircuit :", str(e))
except BaseException as e:
print("Error before subcircuit :", str(e))
subgrid.addWidget(self.entry_var[self.count], self.row, 1)
self.addbtn = QtGui.QPushButton("Add")
self.addbtn.setObjectName("%d" % self.count)
# Send the number of ports specified with the given\
# subcircuit for verification.
# eg. If the line is 'x1 4 0 3 ua741', there are 3 ports(4, 0
# and 3).
self.numPorts.append(len(words) - 2)
# print("Number of ports of sub circuit : ", self.numPorts)
self.addbtn.clicked.connect(self.trackSubcircuit)
subgrid.addWidget(self.addbtn, self.row, 2)
subbox.setLayout(subgrid)
# CSS
subbox.setStyleSheet(" \
QGroupBox { border: 1px solid gray; border-radius:\
9px; margin-top: 0.5em; } \
QGroupBox::title { subcontrol-origin: margin; left:\
10px; padding: 0 3px 0 3px; } \
")
self.grid.addWidget(subbox)
# Adding Subcircuit Details
self.subDetail[self.count] = words[0]
# Increment row and widget count
if self.entry_var[self.count].text() == "":
pass
else:
self.trackSubcircuitWithoutButton(self.count, path_name)
self.subcircuit_dict_end[words[0]] = self.count
self.row = self.row + 1
self.count = self.count + 1
self.show()
def trackSubcircuit(self):
"""
- This function is use to keep track of all Subcircuit widget
- Here the number of ports is tracked using the numPorts
and `Add` button objectName property, which is refered using `sender`
- Once a file is selected using the `QFileDialog` validate it
- Pass the path of subciruit and the number of ports
- According to validation state take further steps
- If validated correctly, add to TrackWidget
"""
sending_btn = self.sender()
# print "Object Called is ",sending_btn.objectName()
self.widgetObjCount = int(sending_btn.objectName())
init_path = '../../'
if os.name == 'nt':
init_path = ''
self.subfile = str(
QtGui.QFileDialog.getExistingDirectory(
self, "Open Subcircuit",
init_path + "library/SubcircuitLibrary")
)
self.reply = self.obj_validation.validateSub(
self.subfile, self.numPorts[self.widgetObjCount - 1])
if self.reply == "True":
# Setting Library to Text Edit Line
self.entry_var[self.widgetObjCount].setText(self.subfile)
self.subName = self.subDetail[self.widgetObjCount]
# Storing to track it during conversion
self.obj_trac.subcircuitTrack[self.subName] = self.subfile
elif self.reply == "PORT":
self.msg = QtGui.QErrorMessage(self)
self.msg.setModal(True)
self.msg.setWindowTitle("Error Message")
self.msg.showMessage(
"Please select a Subcircuit with correct number of ports.")
self.msg.exec_()
elif self.reply == "DIREC":
self.msg = QtGui.QErrorMessage(self)
self.msg.setModal(True)
self.msg.setWindowTitle("Error Message")
self.msg.showMessage(
"Please select a valid Subcircuit directory "
"(Containing '.sub' file).")
self.msg.exec_()
def trackSubcircuitWithoutButton(self, iter_value, path_value):
"""
- Same as trackSubcircuit, but here the count value is passed directly
without using any button as in `Add`
- This is triggered only once, initally
"""
self.widgetObjCount = iter_value
self.subfile = path_value
self.reply = self.obj_validation.validateSub(
self.subfile, self.numPorts[self.widgetObjCount - 1])
if self.reply == "True":
# Setting Library to Text Edit Line
self.entry_var[self.widgetObjCount].setText(self.subfile)
self.subName = self.subDetail[self.widgetObjCount]
# Storing to track it during conversion
self.obj_trac.subcircuitTrack[self.subName] = self.subfile
elif self.reply == "PORT":
self.msg = QtGui.QErrorMessage(self)
self.msg.setModal(True)
self.msg.setWindowTitle("Error Message")
self.msg.showMessage(
"Please select a Subcircuit with correct number of ports.")
self.msg.exec_()
elif self.reply == "DIREC":
self.msg = QtGui.QErrorMessage(self)
self.msg.setModal(True)
self.msg.setWindowTitle("Error Message")
self.msg.showMessage(
"Please select a valid Subcircuit directory "
"(Containing '.sub' file).")
self.msg.exec_()
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