firebirdsql works just like the "fdb" dbpapi driver for SQLA
Except
pyfirebirdsql takes host rather than host/port
This shim fixes the call to match what sqlalchemy expecpts
and provides a compatability module to insert pyfirebirdsqla into the sqlalchemy engine
in the same manner as postgresqlcffi
add this code before sql alchemy query
from firebirdsqla import compat
compat.register()
compat.register will register pyfirebirdsql as "fdb" driver