To answer your other questions:

1) Does that mean the JSON API will be deprecated at some point?
The documentation mentions using the Google Cloud Storage Client libraries, 
which themselves use the JSON API, so no.

2) Why there is not an equivalent to the CloudStorageTools file upload for 
other languages?
The best answer to this is that the PHP standard runtime was developed 
last, after GCS had a mature API, so better support for GCS was baked in. 
It was never back-ported to the other runtimes.

The docs I linked to originally also mentioned signed URLs, and yes this is 
the only way to upload to GCS directly using an auth scheme that is not not 
Google OAuth (unless you want everything to be public writable).

On Friday, February 24, 2017 at 11:15:38 AM UTC-5, Richard Cheesmar wrote:
>
> Ok, looks like you can only do this with signed requests
>
> On Monday, February 20, 2017 at 5:47:26 PM UTC+2, Richard Cheesmar wrote:
>>
>> I am using the standard python app engine environment and currently 
>> looking at how one goes about uploading multiple large media files to 
>> Google Cloud Storage (Public Readable) using App Engine or the Client 
>> directly (preferred).
>>
>> I currently send a bunch of smaller images (max 20 - between 30 and 100k 
>> on average), at the same time directly via a POST to the server. These 
>> images are provided by the client and put in my projects default bucket. I 
>> handle the requests images using a separate thread and write them one at a 
>> time to the cloud and then associate them with an ndb object. This is all 
>> fine and dandy when the images are small and do not cause the request to 
>> run out of memory or invoke a DeadlineExceededError. 
>>
>> But what is the best approach for large image files of 20mb+ a piece or 
>> video files of up to 1GB in size? Are there efficient ways to do this from 
>> the client directly, would this be possible via the Json api ,a resumable 
>> upload, for example? If so, are there any clear examples of how to do this 
>> purely in javascript on the client? I have looked at the docs but it's not 
>> intuitively obvious at least to me.
>>
>> I have been looking at the possibilities for a day or two but nothing 
>> hits you with a clear linear description or approach. I notice in the 
>> Google Docs there is a way using PHP to upload via a POST direct from the 
>> client...
>> https://cloud.google.com/appengine/docs/php/googlestorage/user_upload...Is 
>> this just relevant to using PHP on app engine or is there an equivalent to 
>> createUploadUrl 
>> for python or javascript?
>>
>>
>> Anyway, I'll keep exploring but any pointers would be greatly appreciated.
>>
>>
>> Cheers
>>
>>

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