label format 6x4"

Author: jans23

delivery_ups_oca/models/delivery_carrier.py

@@ -162,7 +162,7 @@ def ups_send_shipping(self, pickings):
         return [self.ups_create_shipping(p) for p in pickings]
 
     def _convert_gif_to_pdf(self, gif_data):
-        """Convert GIF image data to PDF format
+        """Convert GIF image data to PDF format with proper 6x4" page size
         :param gif_data: base64 encoded GIF data
         :returns: base64 encoded PDF data
         """
@@ -171,7 +171,8 @@ def _convert_gif_to_pdf(self, gif_data):
         image_string = io.BytesIO(img_decoded)
         im = Image.open(image_string)
         label_result = io.BytesIO()
-        im.save(label_result, 'PDF')
+        # Set resolution to 236 DPI (standard for 6x4" UPS labels)
+        im.save(label_result, 'PDF', resolution=236.0)
         return base64.b64encode(label_result.getvalue()).decode('utf-8')
 
     def _prepare_ups_label_attachment(self, picking, values):