Initial commit
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from PyQt5 import QtCore, QtWidgets
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import sys
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import window_2
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class Window(QtWidgets.QMainWindow):
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def __init__(self):
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super(QtWidgets.QMainWindow, self).__init__()
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self.window_2 = window_2.Window()
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self.setWindowTitle("Вікно 1")
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centralwidget = QtWidgets.QWidget(self)
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self.grid_layout = QtWidgets.QGridLayout(centralwidget)
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self.full_name = QtWidgets.QLabel(centralwidget)
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self.full_name.setText("П. І. Б:")
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self.full_name.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter)
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self.grid_layout.addWidget(self.full_name, 0, 0, 1, 1)
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self.full_name_answer = QtWidgets.QLabel(centralwidget)
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self.full_name_answer.setText("Швед Андрій Дмитрович")
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self.grid_layout.addWidget(self.full_name_answer, 0, 1, 1, 1)
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self.group = QtWidgets.QLabel(centralwidget)
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self.group.setText("Група:")
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self.group.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter)
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self.grid_layout.addWidget(self.group, 1, 0, 1, 1)
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self.group_answer = QtWidgets.QLabel(centralwidget)
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self.group_answer.setText("ІО-23")
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self.grid_layout.addWidget(self.group_answer, 1, 1, 1, 1)
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self.list_number = QtWidgets.QLabel(centralwidget)
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self.list_number.setText("Номер в списку:")
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self.list_number.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter)
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self.grid_layout.addWidget(self.list_number, 2, 0, 1, 1)
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self.list_number_answer = QtWidgets.QLabel(centralwidget)
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self.list_number_answer.setText("30")
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self.grid_layout.addWidget(self.list_number_answer, 2, 1, 1, 1)
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self.task_number = QtWidgets.QLabel(centralwidget)
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self.task_number.setText("Номер завдання:")
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self.task_number.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTrailing | QtCore.Qt.AlignVCenter)
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self.grid_layout.addWidget(self.task_number, 3, 0, 1, 1)
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self.task_number_answer = QtWidgets.QLabel(centralwidget)
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self.task_number_answer.setText("1")
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self.grid_layout.addWidget(self.task_number_answer, 3, 1, 1, 1)
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self.setCentralWidget(centralwidget)
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self.menubar = QtWidgets.QMenuBar(self)
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self.menubar.setGeometry(QtCore.QRect(0, 0, 362, 22))
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self.menubar.setDefaultUp(False)
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self.menu_Windows = QtWidgets.QMenu(self.menubar)
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self.menu_Windows.setTitle("Вікна")
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self.setMenuBar(self.menubar)
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self.window_2_action = QtWidgets.QAction(self)
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self.window_2_action.setText("Вікно 2")
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self.menu_Windows.addAction(self.window_2_action)
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self.menu_Windows.addSeparator()
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self.exit_action = QtWidgets.QAction(self)
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self.exit_action.setText("Вихід")
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self.menu_Windows.addAction(self.exit_action)
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self.menubar.addAction(self.menu_Windows.menuAction())
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self.set_menu()
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QtCore.QMetaObject.connectSlotsByName(self)
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def set_menu(self):
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self.exit_action.triggered.connect(lambda: sys.exit())
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self.window_2_action.triggered.connect(lambda: self.window_2.show())
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app = QtWidgets.QApplication(sys.argv)
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app.setStyleSheet(open("style.css").read())
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window = Window()
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window.show()
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sys.exit(app.exec_())
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@@ -0,0 +1,23 @@
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QWidget{
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border-radius: 10px;
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padding: 4px;
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margin: 2px;
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font-family: "Liberation Mono";
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font-size: 14pt;
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}
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QPushButton{
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background-color: blueviolet;
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color: white;
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}
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QPushButton:hover{
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background-color: #6f20b3;
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}
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QPushButton:pressed{
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background-color: #8f58c9;
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}
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QLabel{
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border: 3px solid blueviolet;
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}
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QTextEdit{
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border: 3px solid blueviolet;
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}
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@@ -0,0 +1,4 @@
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1 0 0 1
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1 0 1 0
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0 0 1 0
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0 1 0 1
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@@ -0,0 +1,227 @@
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from PyQt5 import QtCore, QtWidgets
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import networkx as nx
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import matplotlib.pyplot as plt
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import numpy as np
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import random
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from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
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from prettytable import PrettyTable
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def is_square(matrix):
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return all(len(row) == len(matrix) for row in matrix)
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def validate_values(matrix):
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return all(all(("1" == element) or ("0" == element) for element in row) for row in matrix)
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class Window(QtWidgets.QWidget):
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def __init__(self):
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super(QtWidgets.QWidget, self).__init__()
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self.setWindowTitle("Вікно 2")
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self.grid_layout = QtWidgets.QGridLayout(self)
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self.adjacency_input_label = QtWidgets.QLabel(self)
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self.adjacency_input_label.setText("Введіть матрицю суміжності графа")
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self.grid_layout.addWidget(self.adjacency_input_label, 0, 0, 1, 1)
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self.adjacency_input = QtWidgets.QTextEdit(self)
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self.grid_layout.addWidget(self.adjacency_input, 1, 0, 2, 1)
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self.adjacency_output_label = QtWidgets.QLabel(self)
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self.adjacency_output_label.setText("Матриця суміжності")
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self.grid_layout.addWidget(self.adjacency_output_label, 0, 1, 1, 1)
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self.adjacency_output = QtWidgets.QLabel(self)
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self.grid_layout.addWidget(self.adjacency_output, 1, 1, 1, 1)
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self.incidence_output_label = QtWidgets.QLabel(self)
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self.incidence_output_label.setText("Матриця інцидентності")
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self.grid_layout.addWidget(self.incidence_output_label, 0, 2, 1, 1)
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self.incidence_output = QtWidgets.QLabel(self)
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self.grid_layout.addWidget(self.incidence_output, 1, 2, 1, 1)
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self.edges_dictionary_output_label = QtWidgets.QLabel(self)
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self.edges_dictionary_output_label.setText("Словник граней")
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self.grid_layout.addWidget(self.edges_dictionary_output_label, 0, 3, 1, 1)
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self.edges_dictionary_output = QtWidgets.QLabel(self)
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self.grid_layout.addWidget(self.edges_dictionary_output, 1, 3, 1, 1)
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self.canvas_grid = QtWidgets.QGridLayout()
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self.figure = plt.figure()
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self.canvas = FigureCanvas(self.figure)
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self.canvas_grid.addWidget(self.canvas, 0, 0, 1, 1)
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self.grid_layout.addLayout(self.canvas_grid, 2, 1, 1, 3)
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self.build_graph_button = QtWidgets.QPushButton(self)
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self.build_graph_button.setText("Побудувати граф")
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self.grid_layout.addWidget(self.build_graph_button, 3, 0, 1, 2)
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self.open_file_button = QtWidgets.QPushButton(self)
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self.open_file_button.setText("Відкрити файл")
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self.grid_layout.addWidget(self.open_file_button, 3, 2, 1, 2)
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QtCore.QMetaObject.connectSlotsByName(self)
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self.set_functions()
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def parse_matrix(self) -> (np.ndarray | None, str | None):
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text_matrix = list(map(lambda x: x.split(" "), self.adjacency_input.toPlainText().splitlines()))
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if not is_square(text_matrix):
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return None, "square_error"
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elif not validate_values(text_matrix):
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return None, "value_error"
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else:
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return np.array(list([list(map(int, row)) for row in text_matrix])), None
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def build_graphs(self):
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adjacency_matrix, error = self.parse_matrix()
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if adjacency_matrix is None and error == "square_error":
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self.show_error(
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"Матриця суміжності має бути квадратною. Перевірте чи кожен елемент рядка відділений пробілом і чи "
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"дорівнює кількість рядків кількості стовпців."
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)
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elif adjacency_matrix is None and error == "value_error":
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self.show_error(
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"Матриця суміжності мусить складатись лише з нулів і одиниць розділених пробілом. Перевірте ваш ввід."
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)
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else:
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adjacency_graph = self.create_adjacency_graph(adjacency_matrix)
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self.display_adjacency_matrix(adjacency_graph, self.adjacency_output)
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incidence_nodes, incidence_edges, incidence_matrix = self.create_incidence_matrix(adjacency_graph)
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self.display_incidence_matrix(incidence_nodes, incidence_edges, incidence_matrix, self.incidence_output)
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incidence_graph = self.create_incidence_graph(incidence_nodes, incidence_edges)
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self.draw_graph(adjacency_graph, incidence_graph)
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self.display_edge_dictionary(adjacency_graph, self.edges_dictionary_output)
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@staticmethod
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def show_error(error_text: str):
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error_message = QtWidgets.QMessageBox()
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error_message.setIcon(QtWidgets.QMessageBox.Critical)
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error_message.setText("Помилка вводу")
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error_message.setInformativeText(error_text)
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error_message.setWindowTitle("Помилка")
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error_message.exec_()
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@staticmethod
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def create_adjacency_graph(adjacency_matrix: np.ndarray) -> nx.DiGraph:
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graph = nx.DiGraph()
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nodes = [f"X{i}" for i in range(len(adjacency_matrix))]
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edge_indices = np.argwhere(adjacency_matrix)
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edges = [(nodes[edge_index[0]], nodes[edge_index[1]]) for edge_index in edge_indices]
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graph.add_nodes_from(nodes)
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graph.add_edges_from(edges)
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return graph
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@staticmethod
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def create_incidence_graph(nodes: list, edges: list) -> nx.DiGraph:
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graph = nx.DiGraph()
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graph.add_nodes_from(nodes)
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graph.add_edges_from(edges)
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return graph
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def draw_graph(self, adjacency_graph: nx.DiGraph, incidence_graph: nx.DiGraph):
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random.seed(0)
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np.random.seed(0)
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self.figure.clf()
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pos = nx.planar_layout(adjacency_graph, scale=0.5)
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nx.draw(
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adjacency_graph, pos=pos, with_labels=True, node_color="blueviolet", node_size=700, font_color="white",
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font_size=14, font_family="Liberation Mono", font_weight="bold", width=2
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)
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pos = nx.planar_layout(incidence_graph, scale=0.5)
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for i in pos:
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pos[i][0] += 2
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nx.draw(
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adjacency_graph, pos=pos, with_labels=True, node_color="blueviolet", node_size=700, font_color="white",
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font_size=14, font_family="Liberation Mono", font_weight="bold", width=2
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)
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self.canvas.draw_idle()
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@staticmethod
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def display_adjacency_matrix(graph: nx.DiGraph, label: QtWidgets.QLabel):
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matrix = nx.adjacency_matrix(graph).todense().tolist()
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table = PrettyTable()
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nodes = [f"X{i}" for i in range(len(matrix))]
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table.field_names = [" "] + nodes
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for i in range(len(matrix)):
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table.add_row([nodes[i]] + matrix[i])
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label.setText(table.get_string())
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@staticmethod
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def display_incidence_matrix(nodes: list, edges: list, incidence_matrix: list, label: QtWidgets.QLabel):
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table = PrettyTable()
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edge_names = [f"E{i}" for i in range(len(edges))]
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table.field_names = [" "] + edge_names
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for i in range(len(incidence_matrix)):
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table.add_row([nodes[i]] + incidence_matrix[i])
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label.setText(table.get_string())
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@staticmethod
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def create_incidence_matrix(graph: nx.DiGraph) -> (list, list, list):
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nodes = list(graph.nodes)
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edges = list(graph.edges)
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edge_names = [f"E{i}" for i in range(len(edges))]
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matrix = [["0" for j in range(len(edges))] for i in range(len(nodes))]
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matrix = [
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["1" if nodes[i] == edges[j][0] else matrix[i][j] for j in range(len(matrix[i]))]
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for i in range(len(matrix))]
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matrix = [
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["-1" if nodes[i] == edges[j][1] else matrix[i][j] for j in range(len(matrix[i]))]
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for i in range(len(matrix))]
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matrix = [
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["±1" if (nodes[i] == edges[j][0] and nodes[i] == edges[j][1])
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else matrix[i][j] for j in range(len(matrix[i]))]
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for i in range(len(matrix))]
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return nodes, edges, matrix
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@staticmethod
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def display_edge_dictionary(graph: nx.DiGraph, label: QtWidgets.QLabel):
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edge_dictionary = ""
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edges = list(graph.edges)
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for i, edge in enumerate(edges):
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edge_dictionary += f"E{i} = ({edge[0]} -> {edge[1]})\n"
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label.setText(edge_dictionary)
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def browse_files(self):
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file_name = QtWidgets.QFileDialog.getOpenFileName(self, "Відкрити файл", "~/", "Текстові файли (*.txt)")
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with open(file_name[0]) as f:
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text_read = f.read()
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self.adjacency_input.setText(text_read)
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def set_functions(self):
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self.build_graph_button.clicked.connect(lambda: self.build_graphs())
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self.open_file_button.clicked.connect(lambda: self.browse_files())
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Reference in New Issue
Block a user