Update app.py

app.py

@@ -6,6 +6,7 @@ from typing import Dict, Any, List, Generator, Tuple, Optional
 
 import requests
 import gradio as gr
+import base64
 
 PRINTIFY_BASE = "https://api.printify.com"
 DEFAULT_BASE_PRICE = 24.99
@@ -202,7 +203,26 @@ def _upload_grid_from_file(logs: List[str]) -> Dict[str, Any]:
     if not os.path.exists(path):
         raise RuntimeError(f"Grid image not found at {path}")
 
-    _log(logs, f"UPLOADING_GRID path={path}")
+    with open(path, "rb") as f:
+        b64 = base64.b64encode(f.read()).decode("ascii")
+
+    payload = {
+        "file_name": GRID_FILENAME,
+        "contents": b64,
+    }
+
+    _log(logs, f"UPLOADING_GRID path={path} bytes={len(b64)}")
+    resp = _req("POST", "/v1/uploads/images.json", json_body=payload)
+
+    if not isinstance(resp, dict) or not resp.get("id"):
+        raise RuntimeError(f"Unexpected upload response: {str(resp)[:500]}")
+
+    _log(
+        logs,
+        f"GRID_UPLOAD id={resp.get('id')} file={resp.get('file_name')} "
+        f"w={resp.get('width')} h={resp.get('height')}",
+    )
+    return resp
 
     with open(path, "rb") as f:
         r = requests.post(