[Distutils] PEP 376 comments
ronaldoussoren at mac.com
Mon Jun 8 15:04:42 CEST 2009
On 8 Jun, 2009, at 2:58, Tarek Ziadé wrote:
> 2009/6/7 Ronald Oussoren <ronaldoussoren at mac.com>:
>> * The global functions seem to maintain and modify global state,
>> wouldn't this cause problems if I specify different values of the
>> path arguments in different pieces of code?
> The cache just prevents re-reading a directory content. Do you have a
> scenario in mind of a possible problem ?
> The only problem I can see is when a project is uninstalled by a
> program while these APIs are used by another program.
I guess the problem only occurs if "egg_infos" is part of the public
interface. What if module A calls get_egg_infos(), then module B calls
get_egg_infos(somePath), then module A uses "egg_infos" assuming that
it still refers to the same set of paths.
There's also the issue of API complexity. The global functions don't
add a lot to using an EggInfoDirectories object when you are working
with a different set of paths than sys.path.
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