[issue2551195] Replace optparse (deprecated in python 3.2) with argparse

New submission from John Rouillard:

Per PEP594 (https://python.github.io/peps/pep-0594/)
optparse is listed as deprecated as of python 3.2.
It is not scheduled for removal yet, but the following code uses it:

scripts/schema-dump.py:from optparse import OptionParser
scripts/imapServer.py:import optparse

these scripts should use argparse.

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keywords: Effort-Low, StarterTicket
messages: 7451
nosy: rouilj
severity: normal
status: new
title: Replace optparse (deprecated in python 3.2) with argparse

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