내일 3.14 파이데이 기념하여 3.14초로 재생하는 음악프로그램

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QAction, QFileDialog, QLabel,QInputDialog, QMessageBox
from PyQt5.QtGui import QIcon
from PyQt5.QtGui import QPixmap
from PyQt5 import QtGui
import pygame
import time


class PIE(QMainWindow):

    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        global text
        text = 0
        global btn1
        global filemenu
        global filemenu2
        global loadfile
        global loadfile2
        self.setWindowTitle('Music player')
        self.setWindowIcon(QIcon('356749.png'))
        self.setGeometry(550, 200, 749, 704)
        self.lbl = QLabel(self)
        self.lbl.resize(749, 704)
        pixmap = QPixmap('메모리2.jpg')
        self.lbl.setPixmap(QPixmap(pixmap))
        self.label1 = QLabel('재생시간', self)
        self.label1.setFont(QtGui.QFont("굴림",15))
        self.label1.move(300, 30)
        self.label2 = QLabel(':', self)
        self.label2.setFont(QtGui.QFont("굴림",15))
        self.label2.move(410, 30)
        self.label2 = QLabel(str(text) + '초', self)
        self.label2.setFont(QtGui.QFont("굴림",15))
        self.label2.move(430, 30)
        menubar = self.menuBar()
        filemenu = menubar.addMenu("파일")
        filemenu2 = menubar.addMenu("재생시간")
        loadfile = QAction('파일 가져오기', self)
        loadfile2 = QAction('재생시간', self)
        loadfile.triggered.connect(self.add_open)
        loadfile2.triggered.connect(self.speed)
        filemenu.addAction(loadfile)
        filemenu2.addAction(loadfile2)
        self.show()

    def initUI2(self):
        self.setWindowTitle('Music player')
        self.setWindowIcon(QIcon('356749.png'))
        self.setGeometry(550, 200, 749, 704)
        self.show()

    def speed(self):
        global text
        text, ok = QInputDialog.getText(self, '재생시간', '재생시간(소수점 둘째자리까지):')
        if ok:
            self.label2.setText(text + '초')

    def add_open(self):
        global fileopen
        fileopen = ''
        fileopen = QFileDialog.getOpenFileName(self, '음악파일 선택', './')
        if fileopen[0] == '':
            self.initUI2()
            QMessageBox.information(self, "에러", "음악파일을 선택해주세요.")
        else:
            self.music()

    def music(self):
        try:
            pygame.mixer.init()

            pygame.mixer.music.load(str(fileopen[0]))

            pygame.mixer.music.play()
            begin = time.time()
            clock = pygame.time.Clock()
            print(text)
            if str(text) == str(0):
                pygame.mixer.music.pause()
                QMessageBox.information(self, "에러", "재생시간을 설정하세요.")
                self.initUI2()
            while pygame.mixer.music.get_busy():
                b = round(time.time(), 2) - begin
                if round(b, 2) == float(text):
                    pygame.mixer.music.pause()
        except:
            QMessageBox.information(self, "에러", "음악파일을 선택해주세요.")
            self.initUI2()
        self.initUI2()
    def stop(self):
        pygame.mixer.init()
        if pygame.mixer.music.get_busy():
            pygame.mixer.music.pause()

        else:
            pass
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = PIE()
    sys.exit(app.exec_())