infra: build

hatch_build.py

@@ -0,0 +1,21 @@
+# noqa: INP001
+import shutil
+import subprocess
+from sys import stderr
+
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+
+
+class CustomBuildHook(BuildHookInterface):
+    def initialize(self, version, build_data):
+        super().initialize(version, build_data)
+        stderr.write(">>> Building Open Webui frontend\n")
+        npm = shutil.which("npm")
+        if npm is None:
+            raise RuntimeError(
+                "NodeJS `npm` is required for building Open Webui but it was not found"
+            )
+        stderr.write("### npm install\n")
+        subprocess.run([npm, "install"], check=True)  # noqa: S603
+        stderr.write("\n### npm run build\n")
+        subprocess.run([npm, "run", "build"], check=True)  # noqa: S603