Python 标签文本未更新,但只有最后一行更新了pyqt5中的标签
我正在pyqt5上做一个项目。现在,它的工作是点击一个按钮“点击并说出”,这个按钮调用语音功能,在这个功能中,标签正在更新,我们说,它识别它。 代码在这里Python 标签文本未更新,但只有最后一行更新了pyqt5中的标签,python,pyqt5,Python,Pyqt5,我正在pyqt5上做一个项目。现在,它的工作是点击一个按钮“点击并说出”,这个按钮调用语音功能,在这个功能中,标签正在更新,我们说,它识别它。 代码在这里 from PyQt5 import QtCore, QtGui, QtWidgets import urllib import speech_recognition as sr import time def connected(host='http://google.com'): try: urllib.reque
from PyQt5 import QtCore, QtGui, QtWidgets
import urllib
import speech_recognition as sr
import time
def connected(host='http://google.com'):
try:
urllib.request.urlopen(host)
return True
except:
return False
class Ui_Function(object):
def setupUi(self, Function):
Function.setObjectName("Function")
Function.resize(737, 600)
self.centralwidget = QtWidgets.QWidget(Function)
self.centralwidget.setObjectName("centralwidget")
self.lineEdit = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit.setGeometry(QtCore.QRect(50, 70, 601, 31))
self.lineEdit.setObjectName("lineEdit")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(50, 30, 151, 17))
self.label.setObjectName("label")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(320, 120, 67, 17))
self.label_2.setObjectName("label_2")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(60, 150, 251, 21))
self.label_3.setObjectName("label_3")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setGeometry(QtCore.QRect(60, 180, 101, 25))
self.pushButton.setObjectName("pushButton")
self.pushButton.clicked.connect(self.speech)
self.textEdit = QtWidgets.QTextEdit(self.centralwidget)
self.textEdit.setGeometry(QtCore.QRect(60, 320, 601, 231))
self.textEdit.setObjectName("textEdit")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setGeometry(QtCore.QRect(60, 290, 141, 21))
self.label_4.setObjectName("label_4")
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(570, 110, 89, 25))
self.pushButton_2.setObjectName("pushButton_2")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(60, 220, 241, 21))
self.label_5.setObjectName("label_5")
self.comboBox = QtWidgets.QComboBox(self.centralwidget)
self.comboBox.setGeometry(QtCore.QRect(400, 180, 251, 31))
self.comboBox.setObjectName("comboBox")
Function.setCentralWidget(self.centralwidget)
self.retranslateUi(Function)
QtCore.QMetaObject.connectSlotsByName(Function)
def retranslateUi(self, Function):
_translate = QtCore.QCoreApplication.translate
Function.setWindowTitle(_translate("Function", "MainWindow"))
self.label.setText(_translate("Function", "Enter the Book Name:"))
self.label_2.setText(_translate("Function", "OR"))
self.label_3.setText(_translate("Function", "Write the Book Name by your Voice:"))
self.pushButton.setText(_translate("Function", "Click and Say"))
self.label_4.setText(_translate("Function", "Recommendations:"))
self.pushButton_2.setText(_translate("Function", "Clear"))
self.label_5.setText(_translate("Function", "TextLabel"))
def speech(self):
if connected():
r = sr.Recognizer()
with sr.Microphone() as source:
r.adjust_for_ambient_noise(source)
self.label_5.setText("Listening...")
self.label_5.adjustSize()
time.sleep(1)
# read the audio data from the default microphone
audio_data = r.listen(source,timeout=5)
self.label_5.setText("Time over")
time.sleep(1)
self.label_5.setText("Recognizing...")
time.sleep(1)
# convert speech to text
text = r.recognize_google(audio_data ,language='en-UK', show_all=True)
try:
self.label_5.setText("You said:" )
list1=[]
self.comboBox.clear()
if (len(text)>0):
print(len(text["alternative"]))
for x in range(0,len(text["alternative"])):
list1.append(text["alternative"][x]["transcript"])
self.comboBox.addItems(list1)
else:
time.sleep(1)
self.label_5.setText("\tNothing")
except LookupError:
time.sleep(1)
self.label_5.setText("Could not Understand Value")
except sr.UnknownValueError:
time.sleep(1)
self.label_5.setText("Voice Recognition could not understand audio")
except sr.RequestError as e:
time.sleep(1)
self.label_5.setText("Voice Recognition could not request results ; {0}".format(e))
else:
time.sleep(1)
self.label_5.setText("NO Internet Connection. \nCheck your Internet Connection")
time.sleep(1)
self.label_5.setText("Completed")
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
Function = QtWidgets.QMainWindow()
ui = Ui_Function()
ui.setupUi(Function)
Function.show()
sys.exit(app.exec_())
此代码侦听并识别单词。但唯一的问题是,所有标签在语音功能中都没有更新。仅更新包含“已完成”的最后一个。
程序流程是点击按钮,然后调用语音函数,语音函数是监听、识别和标签更新。
我甚至在每次更新之前都添加了time.sleep(1)。任何帮助都将不胜感激。我是PYqt5新手。消耗大量时间的任务不应该在GUI线程中执行,而必须在另一个线程中执行,并通过信号发送信息
从PyQt5导入QtCore、QtGui、qtwidget
导入URL库
将语音识别作为sr导入
导入线程
导入时间
def已连接(主机=”http://google.com"):
尝试:
urllib.request.urlopen(主机)
返回真值
除:
返回错误
类Ui_函数(对象):
def设置UI(自身、功能):
Function.setObjectName(“函数”)
函数。调整大小(737600)
self.centralwidget=qtwidts.QWidget(函数)
self.centralwidget.setObjectName(“centralwidget”)
self.lineEdit=qtwidts.QLineEdit(self.centralwidget)
self.lineEdit.setGeometry(QtCore.QRect(50,70601,31))
self.lineEdit.setObjectName(“lineEdit”)
self.label=qtwidts.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(50,30,151,17))
self.label.setObjectName(“标签”)
self.label_2=qtwidts.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(320、120、67、17))
self.label_2.setObjectName(“label_2”)
self.label_3=qtwidts.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(60150251,21))
self.label_3.setObjectName(“label_3”)
self.pushButton=qtwidts.QPushButton(self.centralwidget)
自身按钮设置几何(QtCore.QRect(60、180、101、25))
self.butdown.setObjectName(“butdown”)
self.textEdit=QtWidgets.QTextEdit(self.centralwidget)
self.textEdit.setGeometry(QtCore.QRect(60320601231))
self.textEdit.setObjectName(“textEdit”)
self.label_4=qtwidts.QLabel(self.centralwidget)
self.label_4.setGeometry(QtCore.QRect(6029014121))
self.label_4.setObjectName(“label_4”)
self.pushButton_2=qtwidts.QPushButton(self.centralwidget)
自动按钮2.设置几何(QtCore.QRect(570、110、89、25))
self.butdown_2.setObjectName(“butdown_2”)
self.label_5=qtwidts.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(60,220,241,21))
self.label_5.setObjectName(“label_5”)
self.comboBox=qtwidts.QComboBox(self.centralwidget)
self.comboBox.setGeometry(QtCore.QRect(400180251,31))
self.comboBox.setObjectName(“comboBox”)
Function.setCentralWidget(self.centralwidget)
自重传(功能)
QtCore.QMetaObject.connectSlotsByName(函数)
def重新传输(自身、功能):
_translate=QtCore.QCoreApplication.translate
Function.setWindowTitle(_translate(“函数”、“主窗口”))
self.label.setText(_translate(“函数”,“输入书名:”))
self.label_2.setText(_translate(“函数”、“或”))
self.label_3.setText(
_翻译(“功能”,“用你的声音写书名:”)
)
self.putton.setText(_translate(“函数”,“点击并说出”))
self.label\u 4.setText(\u translate(“函数”,“建议:”))
self.button_2.setText(_translate(“函数”、“清除”))
self.label_5.setText(_translate(“函数”、“文本标签”))
课堂演讲工作者(QtCore.QObject):
messageChanged=QtCore.pyqtSignal(str)
itemsChanged=QtCore.pyqtSignal(列表)
def演讲(自我):
threading.Thread(target=self.\u speech,daemon=True).start()
def_演讲(自我):
如果已连接():
r=高级识别器()
使用sr.麦克风()作为源:
r、 调整环境噪声(源)
self.messageChanged.emit(“侦听…”)
时间。睡眠(1)
#从默认麦克风读取音频数据
音频数据=r.listen(源,超时=5)
self.messageChanged.emit(“时间结束”)
时间。睡眠(1)
self.messageChanged.emit(“识别…”)
时间。睡眠(1)
#将语音转换为文本
text=r.recognize\u谷歌(音频数据,language=“en-UK”,show\u all=True)
尝试:
self.messageChanged.emit(“您说过:”)
self.itemsChanged.emit([])
列表1=[]
如果len(text)>0:
打印(len(文本[“备选”]))
对于范围内的x(0,len(文本[“可选”]):
列表1.追加(文本[“替代”][x][“转录本”])
self.itemsChanged.emit(列表1)
其他:
时间。睡眠(1)
self.messageChanged.emit(“\t其他”)
除LookupError外:
时间。睡眠(1)
self.messageChanged.emit(“无法理解值”)
除sr.UnknownValue错误外:
时间。睡眠(1)
self.messageChanged.emit(
“语音识别无法理解音频”
)
除sr.REQUESTERERROR为e外:
时间。睡眠(1)
self.messageChanged.emit(
“语音识别无法请求r