其實(shí)使用pangu做文本格式標(biāo)準(zhǔn)化的業(yè)務(wù)代碼在之前就實(shí)現(xiàn)了，主要能夠?qū)⒅形奈谋疚臋n中的文字、標(biāo)點(diǎn)符號等進(jìn)行標(biāo)準(zhǔn)化。

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但是為了方便起來我們這里使用了Qt5將其做成了一個可以操作的頁面應(yīng)用，這樣不熟悉python的朋友就可以不用寫代碼直接雙擊運(yùn)行使用就OK了。

為了使文本格式的美化過程不影響主線程的使用，特地采用QThread子線程來專門的運(yùn)行文本文檔美化的業(yè)務(wù)過程，接下來還是采用pip的方式將所有需要的非標(biāo)準(zhǔn)模塊安裝一下。

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pangu

pip install -i https://pypi.tuna.tsinghua.edu.cn/simple PyQt5

將我們使用到的pyqt5應(yīng)用制作模塊以及業(yè)務(wù)模塊pangu導(dǎo)入到我們的代碼塊中。

# It imports all the classes, attributes, and methods of the PyQt5.QtCore module into the global symbol table.
from PyQt5.QtCore import *

# It imports all the classes, attributes, and methods of the PyQt5.QtWidgets module into the global symbol table.
from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout, QVBoxLayout, QTextBrowser, QLineEdit, QPushButton, \
    QFormLayout, QFileDialog

# It imports all the classes, attributes, and methods of the PyQt5.QtGui module into the global symbol table.
from PyQt5.QtGui import QIcon, QFont, QTextCursor

# It imports the pangu module.
import pangu

# It imports the sys module.
import sys

# It imports the os module.
import os

為了減少python模塊在打包時資源占用過多，打的exe應(yīng)用程序的占用空間過大的情況，這次我們只導(dǎo)入了能夠使用到的相關(guān)python類，這個小細(xì)節(jié)大家注意一下。

下面創(chuàng)建一個名稱為PanGuUI的python類來實(shí)現(xiàn)對整個應(yīng)用頁面的開發(fā)，將頁面的布局以及組件相關(guān)的部分寫到這個類中。并且給頁面組件綁定好相應(yīng)的槽函數(shù)從而實(shí)現(xiàn)頁面的'點(diǎn)擊'等功能。

# It creates a class called PanGuUI that inherits from QWidget.
class PanGuUI(QWidget):
    def __init__(self):
        """
        A constructor. It is called when an object is created from a class and it allows the class to initialize the
        attributes of a class.
        """
        super(PanGuUI, self).__init__()
        self.init_ui()

    def init_ui(self):
        """
        This function initializes the UI.
        """
        self.setWindowTitle('文本文檔美化器 公眾號：Python 集中營')
        self.setWindowIcon(QIcon('txt.ico'))

        self.brower = QTextBrowser()
        self.brower.setFont(QFont('宋體', 8))
        self.brower.setReadOnly(True)
        self.brower.setPlaceholderText('處理進(jìn)程展示區(qū)域...')
        self.brower.ensureCursorVisible()

        self.txt_file_path = QLineEdit()
        self.txt_file_path.setPlaceholderText('源文本文檔路徑')
        self.txt_file_path.setReadOnly(True)

        self.txt_file_path_btn = QPushButton()
        self.txt_file_path_btn.setText('導(dǎo)入')
        self.txt_file_path_btn.clicked.connect(self.txt_file_path_btn_click)

        self.new_txt_file_path = QLineEdit()
        self.new_txt_file_path.setPlaceholderText('新文本文檔路徑')
        self.new_txt_file_path.setReadOnly(True)

        self.new_txt_file_path_btn = QPushButton()
        self.new_txt_file_path_btn.setText('路徑')
        self.new_txt_file_path_btn.clicked.connect(self.new_txt_file_path_btn_click)

        self.start_btn = QPushButton()
        self.start_btn.setText('開始導(dǎo)入')
        self.start_btn.clicked.connect(self.start_btn_click)

        hbox = QHBoxLayout()
        hbox.addWidget(self.brower)

        fbox = QFormLayout()
        fbox.addRow(self.txt_file_path, self.txt_file_path_btn)
        fbox.addRow(self.new_txt_file_path, self.new_txt_file_path_btn)

        v_vbox = QVBoxLayout()
        v_vbox.addWidget(self.start_btn)

        vbox = QVBoxLayout()
        vbox.addLayout(fbox)
        vbox.addLayout(v_vbox)

        hbox.addLayout(vbox)

        self.thread_ = PanGuThread(self)
        self.thread_.message.connect(self.show_message)
        self.thread_.finished.connect(self.finshed)

        self.setLayout(hbox)

    def show_message(self, text):
        """
        It shows a message

        :param text: The text to be displayed
        """
        cursor = self.brower.textCursor()
        cursor.movePosition(QTextCursor.End)
        self.brower.append(text)
        self.brower.setTextCursor(cursor)
        self.brower.ensureCursorVisible()

    def txt_file_path_btn_click(self):
        """
        It opens a file dialog box and allows the user to select a file.
        """
        txt_file = QFileDialog.getOpenFileName(self, os.getcwd(), '打開文本文檔',
                                               'Text File(*.txt)')
        self.txt_file_path.setText(txt_file[0])

    def new_txt_file_path_btn_click(self):
        """
        This function opens a file dialog box and allows the user to select a file to save the output to.
        """
        new_txt_file = QFileDialog.getOpenFileName(self, os.getcwd(), '打開文本文檔',
                                                   'Text File(*.txt)')
        self.new_txt_file_path.setText(new_txt_file[0])

    def start_btn_click(self):
        """
        A function that is called when the start button is clicked.
        """
        self.thread_.start()
        self.start_btn.setEnabled(False)

    def finshed(self, finished):
        """
        :param finished: A boolean value that is True if the download is finished, False otherwise
        """
        if finished is True:
            self.start_btn.setEnabled(True)

創(chuàng)建名稱為PanGuThread的子線程，將具體實(shí)現(xiàn)美化格式化文本字符串的業(yè)務(wù)代碼塊寫入到子線程中。子線程繼承的是QThread的PyQt5的線程類，通過創(chuàng)建子線程并且將子線程的信號信息傳遞到主線程中，在主線程的文本瀏覽器中進(jìn)行展示達(dá)到實(shí)時跟蹤執(zhí)行結(jié)果的效果。

# This class is a subclass of QThread, and it's used to split the text into words
class PanGuThread(QThread):
    message = pyqtSignal(str)
    finished = pyqtSignal(bool)

    def __init__(self, parent=None):
        """
        A constructor that initializes the class.

        :param parent: The parent widget
        """
        super(PanGuThread, self).__init__(parent)
        self.working = True
        self.parent = parent

    def __del__(self):
        """
        A destructor. It is called when the object is destroyed.
        """
        self.working = True
        self.wait()

    def run(self) -> None:
        """
        > This function runs the program
        """
        try:

            txt_file_path = self.parent.txt_file_path.text().strip()
            self.message.emit('源文件路徑信息讀取正常！')
            new_txt_file_path = self.parent.new_txt_file_path.text().strip()
            self.message.emit('新文件路徑信息讀取正常！')
            list_ = []
            with open(txt_file_path, encoding='utf-8') as f:
                lines_ = f.readlines()
                self.message.emit('源文件內(nèi)容讀取完成！')
                n = 1
                for line_ in lines_:
                    text = pangu.spacing_text(line_)
                    self.message.emit('第{0}行文檔內(nèi)容格式化完成！'.format(n))
                    list_.append(text)
                    n = n + 1
                self.message.emit('源文件路徑信息格式化完成！')

            self.message.emit('即將開始將格式化內(nèi)容寫入新文件！')
            with open(new_txt_file_path, 'a') as f:
                for line_ in list_:
                    f.write(line_ + '\n')
            self.message.emit('新文件內(nèi)容寫入完成！')
            self.finished.emit(True)

        except Exception as e:
            self.message.emit('文件內(nèi)容讀取或格式化發(fā)生異常！')


if __name__ == '__main__':
    app = QApplication(sys.argv)
    main = PanGuUI()
    main.show()
    sys.exit(app.exec_())

完成了開發(fā)開始測試一下效果如何，創(chuàng)建了兩個文本文件data.txt、new_data.txt，點(diǎn)擊'開始運(yùn)行'之后會調(diào)起整個的業(yè)務(wù)子線程實(shí)現(xiàn)文本格式化，結(jié)果完美運(yùn)行來看一下執(zhí)行過程展示。

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