[Answered ]-Upload zip files to Google App Engine using Django

The reason you have this Read-only file system error is that the default models.FileField save uploaded file to the MEDIA_ROOT folder and it’s read-only for Google Appengine apps.

You have to use a third party FileField to save the uploaded files to services like Google Cloud Storage or Amazon S3.

I did a quick search and found:

• https://github.com/viadanna/django-gcsengine
• https://django-storages.readthedocs.org

And for the upload file size limit issue, Google Appengine has a size limit for request which is 32M. To support larger files, you have to make the user upload their files directly to BlobStore or Google Cloud Storage and build a callback handler to link the uploaded file with your model.

Check these links:

• https://cloud.google.com/appengine/docs/python/blobstore/
• Upload images/video to google cloud storage using Google App Engine