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Preface
One can hardly develop new applications in our "now world" without duct-taping
a lot of technologies together, be it new trend databases, messaging systems, or
languages of all kinds. When talking about web development, things might get
slightly more complicated as not only do you have to mix a lot of technologies
together, but they must also work well with the applications accessing them (also
known as web browsers). They should also be compatible with your deployment
server, which is another story in itself!
In the Python world, where people deliver amazing desktop software following
great guidelines such as the Zen of Python and PEP8, we have, at our disposal, a
wide range of libraries and frameworks for creating great web applications, each
with its own philosophy. Django, for example, is a bundle solution; it makes choices
for you on how your project should look, what should it have, and how things
should be done. Web2py is another framework solution that goes beyond and
bundles even the IDE with it. These are great concepts, but if you want to create
something simple, I would suggest you to do it somewhere else. They're usually
good choices, but sometimes they're just too much (the latest Django version seems
decisive in changing that; let's keep an eye on further developments).
Flask positions itself, not as a full-power out-of-the-box solution like both Django
and Web2py, but as a minimalistic solution where you're given the bare minimum to
work with and choose all the other stuff. That's very helpful when you want granular
control of your application, when you want to precisely pick your components, or
when your solution is simple (not simplistic, okay?).
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