initial commit. add flask dispatcher for apps in nested subdirs

2026-04-23 18:28:03 -05:00 · 2026-04-23 18:28:03 -05:00 · dea4a1aec6
commit dea4a1aec6
5 changed files with 259 additions and 0 deletions
--- a/server.py
+++ b/server.py
@ -0,0 +1,47 @@
+import importlib.util
+import sys
+from pathlib import Path
+
+from flask import Flask, render_template_string
+from werkzeug.middleware.dispatcher import DispatcherMiddleware
+from werkzeug.serving import run_simple
+
+root = Flask(__name__)
+
+
+@root.route("/")
+def index():
+    apps = [
+        d.name for d in Path(__file__).parent.iterdir()
+        if d.is_dir() and (d / "app.py").exists()
+    ]
+    links = "".join(f'<li><a href="/{a}">{a}</a></li>' for a in sorted(apps))
+    return render_template_string(f"""
+    <!DOCTYPE html><html><head><title>Tools</title></head>
+    <body>
+      <h1>Tools</h1>
+      <ul>{links}</ul>
+    </body></html>
+    """)
+
+
+def load_sub_apps():
+    mounts = {}
+    base = Path(__file__).parent
+    for app_dir in sorted(base.iterdir()):
+        app_file = app_dir / "app.py"
+        if not app_dir.is_dir() or not app_file.exists():
+            continue
+        spec = importlib.util.spec_from_file_location(app_dir.name, app_file)
+        mod = importlib.util.module_from_spec(spec)
+        sys.modules[app_dir.name] = mod  # must be registered before exec so Flask(__name__) resolves root_path correctly
+        spec.loader.exec_module(mod)
+        mounts[f"/{app_dir.name}"] = mod.app
+        print(f"  mounted /{app_dir.name}")
+    return mounts
+
+
+application = DispatcherMiddleware(root, load_sub_apps())
+
+if __name__ == "__main__":
+    run_simple("0.0.0.0", 8080, application, use_reloader=False)