pyside6 打开.c文件过滤注释等,保留需要的字符

文章介绍了如何利用Python的正则表达式库`re`和Qt库中的`QFileDialog`及`QTextEdit`组件,从C源代码中提取特定的配置数据,如`SPICMD`和`SPIDAT`,并去除注释和空白符,以便进一步处理或应用。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

需要提取.c中的配置数据,用以他用,c文件的内容简单举例如下:

#define hello 0
/////

SPICMD(0xFB);
SPIDAT(0x00);
SPIDAT(0x01);

//SPICMD(0xFB);
//SPIDAT(0x02);
//SPIDAT(0x03);

SPICMD(0xFB);    //SPIDAT(0x04);    SPIDAT(0x05);

SPIDAT(0x08);    SPIDAT(0x09);/*
SPICMD(0xFB);
SPIDAT(0x06);
SPIDAT(0x07);
*/

目的是删掉红色部分内容,保留黑色部分数据,并格式化去空格、Tab以及分行。

中间有用好多方法,最后询问了优快云的Gpt给的建议,灵光一闪,用re简单处理好了。

openfile.py

import sys
import re
from PySide6.QtWidgets import QApplication, QMainWindow, QFileDialog, QTextEdit
from PySide6.QtGui import QAction
from openfile_ui import Ui_Form


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.ui = Ui_Form()
        self.ui.setupUi(self)
        self.ui.pushButton.released.connect(self.file_open)

    def file_open(self):
        file_name, _ = QFileDialog.getOpenFileName(self, '打开文件', '', 'C files (*.c)')
        if file_name:
            # with open(file_name, 'r', encoding='utf-8') as file:
            file = open(file_name,'r', encoding='utf-8')
            content = file.read()           #as string

            regex_case = re.compile('.*SPICMD.*')
            regex_case1 = re.compile('.*SPIDAT.*')
            regex_case2 = re.compile('//.*')        #找//
            regex_case3 = re.compile(r'/\*.*?\*/', re.DOTALL)  #找/*  */

            text_no_comment1 = re.sub(regex_case2, '', content)# del //后面内容
            content = re.sub(regex_case3, '', text_no_comment1)# del /* */之间内容
            content = content.replace(' ','').replace('    ','').replace(';',';\n')
            # print(content)
            
            tmp_list = content.split('\n')
            content_list = [i for i in tmp_list if i != ""]
            # print(content_list)
            str1 = ''
            for line in content_list:

                regex_case = re.compile('.*SPICMD.*')
                regex_case1 = re.compile('.*SPIDAT.*')

                found_case = regex_case.search(line)
                found_case1 = regex_case1.search(line)

                if found_case or found_case1:
                    # print(line)
                    str1 = str1 + line + '\n'

            self.ui.textEdit.setPlainText(str1)        
            file.close()


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec())

openfile_ui.py

# -*- coding: utf-8 -*-

################################################################################
## Form generated from reading UI file 'openfile_ui.ui'
##
## Created by: Qt User Interface Compiler version 6.4.1
##
## WARNING! All changes made in this file will be lost when recompiling UI file!
################################################################################

from PySide6.QtCore import (QCoreApplication, QDate, QDateTime, QLocale,
    QMetaObject, QObject, QPoint, QRect,
    QSize, QTime, QUrl, Qt)
from PySide6.QtGui import (QBrush, QColor, QConicalGradient, QCursor,
    QFont, QFontDatabase, QGradient, QIcon,
    QImage, QKeySequence, QLinearGradient, QPainter,
    QPalette, QPixmap, QRadialGradient, QTransform)
from PySide6.QtWidgets import (QApplication, QPushButton, QSizePolicy, QTextEdit,
    QVBoxLayout, QWidget)

class Ui_Form(object):
    def setupUi(self, Form):
        if not Form.objectName():
            Form.setObjectName(u"Form")
        Form.resize(404, 271)
        self.verticalLayoutWidget = QWidget(Form)
        self.verticalLayoutWidget.setObjectName(u"verticalLayoutWidget")
        self.verticalLayoutWidget.setGeometry(QRect(0, 0, 401, 271))
        self.verticalLayout = QVBoxLayout(self.verticalLayoutWidget)
        self.verticalLayout.setObjectName(u"verticalLayout")
        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
        self.textEdit = QTextEdit(self.verticalLayoutWidget)
        self.textEdit.setObjectName(u"textEdit")

        self.verticalLayout.addWidget(self.textEdit)

        self.pushButton = QPushButton(self.verticalLayoutWidget)
        self.pushButton.setObjectName(u"pushButton")

        self.verticalLayout.addWidget(self.pushButton)


        self.retranslateUi(Form)

        QMetaObject.connectSlotsByName(Form)
    # setupUi

    def retranslateUi(self, Form):
        Form.setWindowTitle(QCoreApplication.translate("Form", u"Form", None))
        self.pushButton.setText(QCoreApplication.translate("Form", u"&Open", None))
    # retranslateUi

运行结果如下:

如此获得的数据,再进行二次提炼发送串口或者其他用途。

import sys import serial from PySide6.QtWidgets import QApplication, QWidget, QVBoxLayout, QHBoxLayout, QPushButton, QSlider, QLabel from PySide6.QtCore import Qt, QTimer class SerialControlApp(QWidget): def __init__(self): super().__init__() self.initUI() self.serial = None self.timer = QTimer() self.timer.timeout.connect(self.check_serial_ports) self.timer.start(1000) # NOTE: 每1秒检查一次串口 def initUI(self): self.setWindowTitle('串口控制界面') self.setGeometry(100, 100, 1200, 800) # NOTE: 调整窗口大小以适应横屏布局 # 串口参数设置 self.port_label = QLabel('串口号: 未连接') self.baudrate_label = QLabel('波特率: 9600') self.connect_button = QPushButton('连接') self.connect_button.clicked.connect(self.connect_serial) # 摇杆控制 self.joystick_label = QLabel('摇杆控制') self.joystick_label.setAlignment(Qt.AlignCenter) self.joystick_label.setStyleSheet('border: 1px solid black; padding: 10px;') # 滑动条控制 self.slider_label = QLabel('速度控制') self.slider = QSlider(Qt.Vertical) self.slider.setMinimum(50) self.slider.setMaximum(255) self.slider.setFixedWidth(100) # NOTE: 增加滑动条宽度,方便拖动 self.slider.valueChanged.connect(self.send_speed) # 布局 hbox = QHBoxLayout() vbox_left = QVBoxLayout() vbox_left.addWidget(self.joystick_label) vbox_left.addWidget(self.connect_button) vbox_left.addWidget(self.port_label) vbox_left.addWidget(self.baudrate_label) vbox_right = QVBoxLayout() vbox_right.addWidget(self.slider_label) vbox_right.addWidget(self.slider) hbox.addLayout(vbox_left) hbox.addLayout(vbox_right) self.setLayout(hbox) # 摇杆事件处理 self.joystick_label.mousePressEvent = self.joystick_press self.joystick_label.mouseReleaseEvent = self.joystick_release def connect_serial(self): try: self.serial = serial.Serial('COM1', 9600) self.connect_button.setText('已连接') self.port_label.setText('串口号: COM1') except Exception as e: self.connect_button.setText('连接失败') self.port_label.setText('串口号: 未连接') def send_speed(self, value): if self.serial: self.serial.write(f'SPEED {value}'.encode()) def joystick_press(self, event): if self.serial: x = event.pos().x() y = event.pos().y() if x < 100: self.serial.write(b'A') elif x > 200: self.serial.write(b'D') elif y < 100: self.serial.write(b'W') elif y > 200: self.serial.write(b'S') def joystick_release(self, event): if self.serial: self.serial.write(b'X') def check_serial_ports(self): # NOTE: 自动检测串口并更新UI ports = serial.tools.list_ports.comports() if ports: self.port_label.setText(f'串口号: {ports[0].device}') else: self.port_label.setText('串口号: 未连接') if __name__ == '__main__': app = QApplication(sys.argv) ex = SerialControlApp() ex.show() sys.exit(app.exec()) 整体布局左边摇杆,右边滑动条。当有串口接入时自动识别,整体横屏布局
03-24
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值