How does wxpython html2 load dist index.html while keeping js css running normally?

Question

This dist is generated by Vue

import os
import wx
import wx.html2


class MyBrowser(wx.Frame):
    def __init__(self, *args, **kwds):
        wx.Frame.__init__(self, *args, **kwds)
        web_path = os.path.join(os.getcwd(), 'static', 'dist', 'index.html')
        self.url = f"file:///{web_path}"
      
        self.browser = wx.html2.WebView.New(self)

        self.browser.LoadURL(self.url)

    def on_open(self, event):
        self.browser.LoadURL(self.url)


if __name__ == '__main__':
    app = wx.App(False)
    frame = MyBrowser(None, wx.ID_ANY, "My Local Web App")
    frame.Show()
    app.MainLoop()

I had to do this because I was trying to mimic tauri wry's way of loading index.html

Arount · Accepted Answer · 2024-04-29 21:38:25Z

This can be achieved using wx.html2.WebViewHandler custom protocol

class AppSchemeHandler(wx.html2.WebViewHandler):
    def __init__(self, base_path: str):
        super(AppSchemeHandler, self).__init__("app")
        self.base_path = base_path
        logging.basicConfig(level=logging.DEBUG)

    def GetFile(self, uri: str) -> FSFile | None:
        _, path = uri.split("://", 1)
        print(path, 'sssss')
        actual_path = os.path.join(self.base_path, os.path.normpath(path.lstrip('/')))
        logging.debug(f"解析路径: {actual_path}")
        # 如果路径指向一个目录，则自动尝试定位到 index.html
        if os.path.isdir(actual_path):
            actual_path = os.path.join(actual_path, 'index.html')

        try:
            # 读取文件内容
            with open(actual_path, "rb") as file:
                stream = BytesIO(file.read())
                # 获取 MIME 类型
                mime_type, _ = mimetypes.guess_type(actual_path)
                # 创建 wx.FSFile 对象
                fsfile = wx.FSFile(stream, uri, mime_type, "", wx.DateTime.Now())
                return fsfile
        except FileNotFoundError:
            logging.error(f"文件未找到: {actual_path}")
        except Exception as e:
            logging.error(f"读取文件错误 {actual_path}: {e}")
        return None

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