Python+PyQt5打造一个代码行数统计工具

@staticmethod
def count_lines(file_path: str) -> Dict[str, int]:
    """智能统计代码行数"""
    try:
        with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
            lines = f.readlines()
    except Exception:
        return {'total': 0, 'code': 0, 'comment': 0, 'blank': 0}
    
    total_lines = len(lines)
    code_lines = 0
    comment_lines = 0
    blank_lines = 0
    
    in_multiline_string = False
    multiline_quote = None
    
    for line in lines:
        stripped = line.strip()
        
        # 空行处理
        if not stripped:
            blank_lines += 1
            continue
        
        # 多行字符串处理
        if in_multiline_string:
            if multiline_quote in stripped:
                quote_count = stripped.count(multiline_quote)
                if quote_count % 2 == 1:
                    in_multiline_string = False
                    multiline_quote = None
            comment_lines += 1
            continue
        
        # 检查多行字符串开始
        if '"""' in stripped or "'''" in stripped:
            # ... 处理逻辑
        
        # 单行注释
        if stripped.startswith('#'):
            comment_lines += 1
            continue
        
        # 代码行
        code_lines += 1
    
    return {
        'total': total_lines,
        'code': code_lines,
        'comment': comment_lines,
        'blank': blank_lines
    }

class DropArea(QLabel):
    """支持拖拽的区域"""
    files_dropped = pyqtSignal(list)
    
    def __init__(self):
        super().__init__()
        self.setAcceptDrops(True)
        self.setAlignment(Qt.AlignCenter)
        # 设置样式和提示文本
    
    def dragEnterEvent(self, event: QDragEnterEvent):
        if event.mimeData().hasUrls():
            event.acceptProposedAction()
            # 更新视觉反馈
    
    def dropEvent(self, event: QDropEvent):
        files = []
        for url in event.mimeData().urls():
            file_path = url.toLocalFile()
            if os.path.exists(file_path):
                files.append(file_path)
        
        if files:
            self.files_dropped.emit(files)

class CounterThread(QThread):
    """后台统计线程"""
    progress_updated = pyqtSignal(int, int)
    file_processed = pyqtSignal(str, dict)
    directory_processed = pyqtSignal(str, dict)
    finished = pyqtSignal()
    
    def run(self):
        # 收集所有文件
        all_files = []
        for path in self.paths:
            if os.path.isfile(path) and path.endswith('.py'):
                all_files.append(path)
            elif os.path.isdir(path):
                py_files = self.counter.scan_directory(path)
                all_files.extend(py_files)
        
        # 逐个处理文件
        for i, file_path in enumerate(all_files):
            stats = self.counter.count_lines(file_path)
            self.file_processed.emit(file_path, stats)
            self.progress_updated.emit(i + 1, len(all_files))

self.setStyleSheet("""
    QMainWindow {
        background-color: #f5f5f5;
    }
    QPushButton {
        background-color: #0078d4;
        color: white;
        border: none;
        padding: 8px 16px;
        border-radius: 4px;
        font-weight: bold;
    }
    QPushButton:hover {
        background-color: #106ebe;
    }
""")

# 1. 克隆项目
git clone [项目地址]

# 2. 安装依赖
pip install PyQt5

# 3. 运行程序
python code_counter.py