Looking at case insensitivity - question

[Jens Alfke]

On 13 Apr '08, at 3:34 PM, Paul Moore wrote:

> I'm sure there are OS-specific ways of doing this

Well, realpath is part of the POSIX spec, so it's available on most  
operating systems (yes I know, not Windows without Cygwin.)

> (no, there doesn't seem to be a general wrapper in the Python  
> library :-(

There's os.path.realpath. Unfortunately, some quick tests on OS X 10.5  
show that it doesn't affect the capitalization of filenames :-(

> I thought that might be the case :-( That's likely to be far too
> expensive to do in this context - we're at a case where the current
> code does a single stat, as far as I can tell.

But you only need to check once per invocation for any given repo, and  
can then cache the result in memory.

—Jens
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