Multiple languages in the same application

[josh wood]

Is it possible to use two different languages in the same application, e.g. python and php. How would I go about doing this if it is possible? Will it incur costs?

[PK]

I have not tried it yet but using modules you should be able to do it. 

https://developers.google.com/appengine/docs/python/modules/

PK

http://www.gae123.com

On Feb 4, 2014, at 1:01 PM, josh wood <josh...@gmail.com> wrote:

Is it possible to use two different languages in the same application, e.g. python and php. How would I go about doing this if it is possible? Will it incur costs?

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[Vinny P]

On Tue, Feb 4, 2014 at 3:01 PM, josh wood <josh...@gmail.com> wrote:

Is it possible to use two different languages in the same application, e.g. python and php. How would I go about doing this if it is possible? Will it incur costs?

 

Yes you can.

The way I'd do it is write your separate applications in PHP and Python, then upload them to the same application ID but name them as different versions. By uploading them to the same application ID, they can share common services such as task queues, paid settings, etc.

Note that versions can include letters and numbers, so you could call the application versions something like php1 and python1. If you need to communicate between each version, use task queues, the datastore, cloud SQL, etc. Or you can individually address each version using the appspot URL: http:// php-version . my-application-id . appspot . com (remove the spaces).

As for costs, it depends. Obviously each version - if running simultaneously - needs its own instances. But depending on the traffic profile of your application there may be minor to no increase in costs, especially if your application is already running multiple instances.

 

-----------------

-Vinny P

Technology & Media Advisor

Chicago, IL

App Engine Code Samples: http://www.learntogoogleit.com

[Ola Fosheim Grøstad]

On Tuesday, 4 February 2014 22:01:59 UTC+1, josh wood wrote:

Is it possible to use two different languages in the same application, e.g. python and php. How would I go about doing this if it is possible? Will it incur costs?

I have done it using modules. It works fine on the App Engine production server, but I have had problems running them concurrently locally.

You will need at least 1 more instance if they are accessed concurrently.

You can use the dispatcher yaml file to get them both work under the same hostname.

However, you may run into problems if you upload files to the one that isn't set as default. So if you plan on file uploads make sure you do it to the default server (or use the appspot.com URL).

Ola.