the app that I'm working on has some constraints that are implemented
under mod_perl , php & python.

i'm trying to figure out how to do this in pylons/sa -- hoping some
people can point me in the right direction

basically, I use 5 database connections -- each with different
permissions / roles
  - config
    readonly from main db on startup, populates a class with db
constants... the connection is not needed after initial loading.
  - readonly
     only reads from main db, active for every request
  - write
    writeable to main db , active on certain requests
  - logger
     does quick begin->log->end on visit metrics
  - session
     read/write on session-db for user persistance

sometimes these have the same db credentials... but i always abstract
stuff like this at the beginning so i can scale & not worry about
permissions

i usually accomplish this via a db factory class that returns a
connection, and has a request-start + request-cleanup hook for
transactional issues.

is anyone else doing something similar?  if so, how have you laid this
all out?  i'm trying to wrap my head around the layout of pylons.
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