Maric Michaud wrote:
"premature optimization is the root of all evil"
So is use by that statement by people who don't have the slightest idea
about what it actually means.
The full version is
"We should forget about small efficiencies, say about 97% of the time:
premature optimization is the root of all evil."
Note the use of "small efficiencies". That is, in Python, things like
local binding, inlining, slots, lazy generation of short sequences, etc.
That is, things that takes time to write and reduces maintainability.
It's not about having an excuse for writing crappy code with large
inefficienies.
And it's definitely not about programmers intentionally picking a dumb
solution so they can optimize it later.
> If the OP's proposal seems already messy, how about ths one :
> if lib.lower() not in ( e[0] for e in stage_map.items() ) :
> ...
Given that your solution is just a remarkably inefficient way to write
"lib.lower() not in stage_map", and thus doesn't solve the OP:s problem,
I suspect you're taking the "evil" part of Hoare's dictum a few bits too
literally.
</F>
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