GAE, Python 2.5, Python 2.6 Side-by-side on windows

On my development system, I have Python 2.6, Django 1.1 and GAE.

• I have three projects running on Python 2.6 and Django 1.1.
• I have 1 project using GAE, Python 2.6 and Django 1.1.

I have heard that my set-up for running GAE using Python 2.6 may create some head-scratching problems while deploying it on the production server, because GAE supports only Python 2.5, and using 2.6 is not recommended.

Can I develop GAE application using Python 2.6? If not, what should I do? I am using Windows Vista as my development system.

Please note : I don't want to disturb my 开发者_C百科other projects in development, which uses Python 2.6 and Django 1.1.

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Use virtualenv to isolate your development environments, so you can have one running 2.5 and the others running 2.6.

Edited to add: once 2.5 is installed, you can initialize your virtualenv to use it with the -p option:

virtualenv -p /path/to/python2.5/python.exe destination_dir

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Unless you are using python 2.6 specific syntax/code your application is safe to run on GAE.

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Re virtualenv question above: virtualenv have a parameter --python=PYTHON_EXE that you can point to the interpreter you'd like it to use. Running virtualenv without parameters or with an --help option whill show you which options you may pass it.