On Sat, May 16, 2015 at 11:54 AM, Paul Moore <[email protected]> wrote:
> > could you clarify a bit -- I thought that this could, at least, put a > dir on > > the search path that was specific to that python context. So it would > > require cooperation among all the packages being used at once, but not > get > > tangled up with the rest of the system. but maybe I'm wrong here -- I > have > > no idea what the heck I'm doing with this! > > Suppose Python adds C:\PythonXY\SharedDLLs to %PATH%. Suppose there's > a libpng.dll in there, for matplotlib. > I think we all agree that %PATH% is NOT the option! Taht is the key source od dll hell on Windows. I was referring to the SetDllDirectory API. I don't think that gets picked up by other processes. from: https://msdn.microsoft.com/en-us/library/windows/desktop/ms686203%28v=vs.85%29.aspx It looks like you can add a path, at run time, that gets searched for dlls before the rest of the system locations. And this does to effect any other applications. But you'd need to make sure this got run before any of the effected packages where loaded -- which is proabbly what David meant by needing to "control the python binary". -Chris -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception [email protected]
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