PyArduino

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import json
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from PyQt5 import QtWidgets
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from PyQt5.QtCore import QTranslator, QCoreApplication
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import static.qrc_generated.res
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class Language:
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    RU = ":/res/translate/eng-ru.qm"
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    ENG = " "
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    PATH_LG = "static/language/lg.txt"
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    def __init__(self, window):
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        self.window = window
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        self.translator = QTranslator(window)
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        self.translator.load(self.load())
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        QtWidgets.QApplication.instance().installTranslator(self.translator)
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        self.translate = QCoreApplication.translate
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    def setRu(self):
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        if self.load() != self.RU:
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            self.save(self.RU)
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            QtWidgets.QMessageBox.about(self.window, "Смена языка",
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                                        "Перезагрузитесь для смены языка")
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    def setEng(self):
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        if self.load() != self.ENG:
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            self.save(self.ENG)
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            QtWidgets.QMessageBox.about(self.window, "Change language",
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                                        "Reload for change language")
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    @staticmethod
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    def save(lg: str = None):
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        with open(Language.PATH_LG, 'w') as f:
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            json.dump(lg, f)
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    @staticmethod
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    def load():
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        with open(Language.PATH_LG) as f:
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            return json.load(f)
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