#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date : 2018-07-16 15:39:02
# @Author : Lewis Tian (chtian@hust.edu.cn)
# @Link : https://lewistian.github.io/
# @Version : Python3.6
from mwin import Ui_MWin
from PyQt5.QtCore import QTranslator, QUrl, QThread, pyqtSignal, Qt
from PyQt5.QtWidgets import QWidget, QApplication, QMainWindow, QFileDialog, QMessageBox
from PyQt5.QtGui import QDesktopServices, QPixmap
import sys
from googletrans import Translator
import re
GTransData = ""
class MyWindow(QMainWindow, Ui_MWin):
def __init__(self, parent=None):
super(MyWindow, self).__init__(parent)
self.setupUi(self)
try:
with open("style.qss") as f:
style = f.read() # 读取样式表
self.setStyleSheet(style)
except:
print("open stylesheet error")
self.originText.setFocus(True)
# Translator
self.trans = QTranslator()
# destination language
self.dest = "zh-CN"
# ui language : 0->zh-CN, 1->en
self.lan = 0
# real-time translate
self.isRealTimeTrans = False
self.isCopyFromTrans = False
self.connectSlots()
def connectSlots(self):
self.alwaysFront.clicked.connect(self.alwaysFrontFunc) # windows top
self.realTimeTrans.clicked.connect(
self.realTimeTransFunc
) # real-time translate
self.go.clicked.connect(self.transTextToZhCN)
self.go.setShortcut("CTRL+Return")
self.copy.clicked.connect(self.copySlot)
# connect to slots
self.openFile.triggered.connect(self.openFileSlot)
self.exportFile.triggered.connect(self.exportFileSlot)
self.exit.triggered.connect(self.close)
self.actionChinese.triggered.connect(lambda: self.changeLanguage(0))
self.actionEnglish.triggered.connect(lambda: self.changeLanguage(1))
self.actionDestChinese.triggered.connect(lambda: self.destinationLanguage(0))
self.actionDestEnglish.triggered.connect(lambda: self.destinationLanguage(1))
self.actionDestJapanese.triggered.connect(lambda: self.destinationLanguage(2))
self.actionDestKorean.triggered.connect(lambda: self.destinationLanguage(3))
self.about.triggered.connect(
lambda: QDesktopServices.openUrl(
QUrl(
"https://github.com/taseikyo/PyQt5-Apps/tree/master/google-translate"
)
)
)
self.about.setShortcut("CTRL+H")
self.donate.triggered.connect(
lambda: QDesktopServices.openUrl(
QUrl("https://github.com/taseikyo/PyQt5-Apps#donation")
)
)
self.reportBug.triggered.connect(
lambda: QDesktopServices.openUrl(
QUrl("https://github.com/taseikyo/PyQt5-Apps/issues")
)
)
def openFileSlot(self):
filename, filetype = QFileDialog.getOpenFileName(self, "Open File", ".")
if filename:
print(filename)
with open(filename, encoding="utf-8") as f:
try:
self.originText.setPlainText(str(f.read()))
except Exception as e:
self.originText.setPlainText(e.args[1])
def exportFileSlot(self):
if not self.transText.toPlainText():
return
filename, filetype = QFileDialog.getSaveFileName(
self, "Save File", ".", "*.txt;;*"
)
if filename:
with open(filename, "w", encoding="utf-8") as f:
try:
f.write(self.transText.toPlainText())
except Exception as e:
self.transText.setPlainText(e.args[1])
def changeLanguage(self, lan):
""":author : Tich
:param lan: 0=>Chinese, 1=>English
change ui language
"""
if lan == 0 and self.lan != 0:
self.lan = 0
print("[MainWindow] Change to zh_CN")
self.trans.load("zh_CN")
elif lan == 1 and self.lan != 1:
self.lan = 1
print("[MainWindow] Change to English")
self.trans.load("en")
else:
return
_app = QApplication.instance()
_app.installTranslator(self.trans)
self.retranslateUi(self)
def destinationLanguage(self, lan):
""":author : Tich
:param lan: 0: Chinese, 1: English, 2: Japanese, 3: Korean
change destination language
"""
if lan == 0:
self.dest = "zh-CN"
elif lan == 1:
self.dest = "en"
elif lan == 2:
self.dest = "ja"
elif lan == 3:
self.dest = "ko"
else:
self.dest = "en"
print(self.dest)
def transTextToZhCN(self):
text = self.originText.toPlainText()
if text:
if (
self.paperMode.isChecked()
): # if paper mode is true, line breaks will re replaced by blanks
text = re.sub(r"\n|\s+", " ", text)
text = re.sub(r"", "", text)
# add on 19/05/16
text = (
text.replace("", "fi")
.replace("", "ffi")
.replace("", "ff")
.replace("", "fl")
.replace("", "th")
.replace("", "ft")
.replace("", "ft")
.replace("", "tt")
)
self.originText.setPlainText(text)
try:
# self.transText.setPlainText(trans_To_zh_CN(text))
self.t = GTranslator(self.dest, text)
self.t.start()
self.transText.setPlainText("")
self.transText.setPlaceholderText("...")
self.t.trigger.connect(self.translated)
except Exception as e:
print(e.args[1])
self.transText.setPlainText("error!")
def translated(self):
global GTransData
if GTransData:
self.transText.setPlainText(GTransData)
else:
self.transText.setPlainText("error!")
GTransData = ""
def alwaysFrontFunc(self):
"""change window status
"""
if self.alwaysFront.isChecked():
# print("Front", self.windowFlags())
self.setWindowFlags(
self.windowFlags() | Qt.WindowStaysOnTopHint
) # always top
self.show()
else:
# print("Back", self.win.windowFlags())
self.setWindowFlags(Qt.Widget)
self.show()
def realTimeTransFunc(self):
"""real-time translate
this fearure is for paper mode
"""
# print(self.isRealTimeTrans)
self.isRealTimeTrans = self.realTimeTrans.isChecked()
def copySlot(self):
s = self.transText.toPlainText()
if s:
self.isCopyFromTrans = True
clipboard = QApplication.clipboard()
clipboard.setText(s)
def onClipboradChanged(self):
if self.isCopyFromTrans:
self.isCopyFromTrans = False
return
clipboard = QApplication.clipboard()
text = clipboard.text()
if text and self.isRealTimeTrans:
content = str(text)
# print(content)
content = (
content.replace("", "fi")
.replace("", "ffi")
.replace("", "ff")
.replace("", "fl")
.replace("", "th")
.replace("", "ft")
.replace("", "ft")
.replace("", "tt")
)
if (
self.paperMode.isChecked()
): # if paper mode is true, line breaks will re replaced by blanks
content = re.sub(r"\n|\s+", " ", content)
content = re.sub(r"", "", content)
self.originText.setPlainText(content)
self.transText.setPlainText(content)
try:
# data = trans_To_zh_CN(content)
# self.transText.setPlainText(data)
self.t = GTranslator(self.dest, content)
self.t.start()
self.transText.setPlainText("")
self.transText.setPlaceholderText("...")
self.t.trigger.connect(self.translated)
except:
self.transText.setPlainText("error!")
class GTranslator(QThread):
trigger = pyqtSignal()
def __init__(self, dest, content):
super().__init__()
self.content = content
self.dest = dest
def run(self):
Data = []
global GTransData
T = Translator(service_urls=["translate.google.cn"])
# ts = T.translate(['The quick brown fox', 'jumps over', 'the lazy dog'], dest='zh-CN')
try:
ts = T.translate(self.content, dest=self.dest)
if isinstance(ts.text, list):
for i in ts:
Data.append(i.text)
GTransData = Data
else:
GTransData = ts.text
except:
GTransData = "An error happended. Please retry..."
self.trigger.emit() # emit signal once translatation is finfished
if __name__ == "__main__":
app = QApplication(sys.argv)
w = MyWindow()
w.show()
clipboard = QApplication.clipboard()
clipboard.dataChanged.connect(w.onClipboradChanged)
sys.exit(app.exec_())
