PyQt5とPython3.3を使ったGUI付きのシンプルなスタック表示プログラムです。間に強調表示された Gui プログラム エラー領域###Error####
#Modules
import sys
from PyQt5 import QtGui, QtCore, QtWidgets
import stacks_queues
#Classes
class MainWindow(QtWidgets.QMainWindow):
'''Main Window'''
#Constructor
def __init__(self):
super(MainWindow,self).__init__()
self.createUI()
#Methods
###Error###
def createUI(self):
self.stack = stacks_queues.Stack()
#Title
self.setWindowTitle('Section 2.4: Stacks and queues')
#Window Components
self.mainViewWidget = QtWidgets.QWidget()
#Layouts
self.mainViewWidget.setLayout(self.mainGrid(self.stack))
self.setCentralWidget(self.mainViewWidget)
###Error###
def mainGrid(self,stack):
#Layout components
self.mainLayout = QtWidgets.QVBoxLayout()
self.addRemoveLayout = QtWidgets.QGridLayout()
self.pushButtonLayout = QtWidgets.QHBoxLayout()
#Create components
#Labels
self.titleLabel = QtWidgets.QLabel('Implementation of a Stack', self)
self.counterLabel = QtWidgets.QLabel('Number of items in stack: 0', self)
self.contentsLabel = QtWidgets.QLabel('Contents of stack', self)
self.addWordLabel = QtWidgets.QLabel('Word to add:', self)
self.removeWordLabel = QtWidgets.QLabel('Word being removed', self)
#Buttons
self.pushButton = QtWidgets.QPushButton('Push', self)
self.popButton = QtWidgets.QPushButton('Pop', self)
#Line Edit
self.addWordLineEdit = QtWidgets.QLineEdit('', self)
self.removeWordLineEdit = QtWidgets.QLineEdit('Test', self)
self.removeWordLineEdit.isReadOnly()
#Text Edit
self.stackTextEdit = QtWidgets.QTextEdit('', self)
self.stackTextEdit.isReadOnly()
#Add Widgets
self.mainLayout.addWidget(self.titleLabel)
self.addRemoveLayout.addWidget(self.addWordLabel, 0,0)
self.addRemoveLayout.addWidget(self.removeWordLabel, 1,0)
self.addRemoveLayout.addWidget(self.addWordLineEdit, 0,1)
self.addRemoveLayout.addWidget(self.removeWordLineEdit, 1,1)
self.mainLayout.addLayout(self.addRemoveLayout)
self.mainLayout.addWidget(self.contentsLabel)
self.mainLayout.addWidget(self.stackTextEdit)
self.mainLayout.addWidget(self.counterLabel)
self.pushButtonLayout.addWidget(self.pushButton)
self.pushButtonLayout.addWidget(self.popButton)
self.mainLayout.addLayout(self.pushButtonLayout)
#Connections
self.pushButton.clicked.connect(self.pushStack(self.stack))
self.popButton.clicked.connect(self.popStack)
return self.mainLayout
###Error###
def pushStack(self,stack):
item = self.addWordLineEdit.text()
self.stack.push(item)
#Re-draw Window
self.mainViewWidget = QtWidgets.QWidget()
self.mainViewWidget.setLayout(self.mainGrid(self.stack))
self.setCentralWidget(self.mainViewWidget)
###Error###
def popStack(self):
#Not finished yet
pass
#Functions
def Main():
'''Main Program'''
#Creates new application
application = QtWidgets.QApplication(sys.argv)
#Creates new instance of MainWindow
mainWindow = MainWindow()
#Display MainWindow
mainWindow.show()
#Keep MainWindow on top
mainWindow.raise_()
#Monitor for events
application.exec_()
#Run Main
Main()
インポートされたプログラム
class Stack():
'''Stack data'''
#Attributes
items = []
maxsize = 0
#Methods
def push(self,item):
self.items.append(item)
def pop(self,item):
self.items.pop()
def isEmpty(self):
if self.items:
return False
else:
return True
def size(self):
self.maxsize = len(self.items)
エラーは 1993 行の長さなので、繰り返される主なエラーのみを示します。
Traceback (most recent call last):
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 92, in <module>
Main()
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 84, in Main
mainWindow = MainWindow()
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 13, in __init__
self.createUI()
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 23, in createUI
self.mainViewWidget.setLayout(self.mainGrid(self.stack))
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 62, in mainGrid
self.pushButton.clicked.connect(self.pushStack(self.stack))
File "C:\Users\Luke\Documents\A-Level-Work\A2\Computing\COMP 3\stack_queues_gui.py", line 71, in pushStack
Python が最大再帰深度を超えるまで、エラーは 62 行目と 71 行目で繰り返されます。
大規模なエラーは、追加した後にのみ発生したpushStack
ため、A2 レベルの Python の知識しかないため、これを修正する方法がわかりません。プログラムはStack
に呼び出されMainWindow
て使用されても問題ありませんでしたmainGrid
。