I’m trying to upload multiple files in a form to the BlobStore. Form: <form

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Editorial Team

Asked: May 19, 20262026-05-19T11:36:15+00:00 2026-05-19T11:36:15+00:00

I’m trying to upload multiple files in a form to the BlobStore. Form: <form

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I’m trying to upload multiple files in a form to the BlobStore.

Form:

<form action="{{upload_url}}" method="POST" enctype="multipart/form-data">
  <label>Key Name</label><input type="text" name="key_name" size="50"><br/>
  <label>name</label><input type="text" name="name" size="50"><br/>
  <label>image</label><input type="file" name="image" size="50"><br/> 
  <label>thumb</label><input type="file" name="thumb" size="50"><br/> 
  <input type="submit" name="submit" value="Submit">
</form>

I’m then trying to fetch the BlobInfo objects for each of those files uploaded:

def post(self):
    image_upload_files = self.get_uploads('image') 
    thumb_upload_files = self.get_uploads('thumb') 
    image_blob_info = image_upload_files[0]
    thumb_blob_info = thumb_upload_files[0]

I’m seeing some weird behavior. Both files are making it into the BlobStore, but I cannot figure out how to get the Keys so that I can store those on another Entity. The code above manages to get the key for image_blob_info, but not thumb_blob_info. I don’t understand how to use get_uploads. I want to pass multiple files through the form and then fetch them by name so I can store them in the appropriate BlobReferenceProperties on another Entity.