初步代替几个bat脚本的功能

main.py

@@ -0,0 +1,57 @@
+import json
+import os
+from pathlib import Path
+from subprocess import PIPE, STDOUT, Popen
+
+import webview
+
+config_path = Path("launcher.json")
+
+try:
+    with config_path.open("r") as f:
+        config = json.load(f)
+except Exception:
+    config = {
+        "page": "init",
+        "branch": "slow",
+    }
+
+
+def custom_event(name, data):
+    data = json.dumps({name: data})
+    js = f"var event = new CustomEvent('log', {{detail: {data}}}); window.dispatchEvent(event);"
+    window.evaluate_js(js)
+
+
+class Api:
+    def get_branch(self):
+        return config["branch"]
+
+    def set_branch(self, branch):
+        config["branch"] = branch
+
+    def get_page(self):
+        return config["page"]
+
+    def set_page(self, page):
+        config["page"] = page
+
+    def run(self, command, cwd=None):
+        with Popen(
+            os.path.normpath(command),
+            stdout=PIPE,
+            stderr=STDOUT,
+            shell=True,
+            bufsize=1,
+            text=True,
+            cwd=cwd,
+        ) as p:
+            for line in p.stdout:
+                custom_event("log", line)
+
+
+window = webview.create_window("mower-ng launcher", "dist/index.html", js_api=Api())
+webview.start()
+
+with config_path.open("w") as f:
+    json.dump(config, f)