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Check out how things are wired with in this Pyramid cookie cutter.

https://github.com/Pylons/pyramid-cookiecutter-starter/blob/...

I think same approach should work well for flask - just tie the session to the request object on first access.

Side note: I think we met on IRC few years ago ;-)

There is a lot going on in that cookie cutter. The “transaction” library for transaction management, wired into Pyramid with pyramid_tm, wired into SQLAlchemy with zope.sqlalchemy. Works nicely for Pyramid, but I don’t know how that translates to Flask.

Doesn't, I wanted to show how it can be wired to request.

Think on it like a middleware that wraps a transaction. It's fine, till you start consuming other Io based services (elastic/solar/...) And you find that this blocks one connection per request..

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