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// Flask //

web development, one drop at a time

~ What is Flask?

Flask is a microframework for Python based on Werkzeug and Jinja2. It's intended for small scale applications and was developed with best intentions in mind.

~ Is it ready?

It's still not 1.0 but it's shaping up nicely and is already widely used. Consider the API to slightly improve over time but we don't plan on breaking it.

~ What do I need?

Jinja 2.4 and Werkzeug 0.6.1. pip or easy_install will install them for you if you do easy_install Flask. I encourage you to use a virtualenv. Check the docs for complete installation and usage instructions.

~ Where are the docs?

Go to for a prebuilt version of the current documentation. Otherwise build them yourself from the sphinx sources in the docs folder.

~ Where are the tests?

Good that you're asking. The tests are in the flask/testsuite package. To run the tests use the file:

$ python

If it's not enough output for you, you can use the --verbose flag:

$ python --verbose

If you just want one particular testcase to run you can provide it on the command line:

$ python test_to_run

~ Where can I get help?

Either use the #pocoo IRC channel on or ask on the mailinglist: