Fixed build.

Signed-off-by: Pavel Kirilin <win10@list.ru>

build.py

@@ -0,0 +1,46 @@
+import os
+from pathlib import Path
+from shutil import copytree, rmtree
+
+
+CURRENT_DIR = Path(__file__).parent
+STATIC_OUTPUT_DIR = CURRENT_DIR / "anime/static"
+FRONTEND_DIR = CURRENT_DIR / "frontend"
+DIST_DIR = FRONTEND_DIR / "dist"
+
+
+class DirChanger:
+    """Class for changing current directory and returning back after exit."""
+
+    def __init__(self, path: Path):
+        self.path = path
+
+    def __enter__(self):
+        os.chdir(self.path)
+
+    def __exit__(self, *args):
+        os.chdir(CURRENT_DIR)
+
+
+def build(setup_kwargs):
+    """
+    Build frontend and copy it to the static directory.
+
+    This script is useful for packaging the application.
+    """
+    print("Starting building frontend ...")
+
+    with DirChanger(CURRENT_DIR / "frontend"):
+        ret_status = os.system("pnpm build")
+        if ret_status != 0:
+            raise Exception("Frontend build failed.")
+
+    print("Frontend build finished.")
+    rmtree(STATIC_OUTPUT_DIR, ignore_errors=True)
+    copytree(symlinks=True, src=DIST_DIR, dst=STATIC_OUTPUT_DIR)
+
+    return setup_kwargs
+
+
+if __name__ == "__main__":
+    build({})