[Numpy-discussion] Managing Python with NumPy and many external libraries on multiple Windows machines

Wes McKinney wesmckinn@gmail....
Mon Apr 27 18:36:27 CDT 2009

On Mon, Apr 27, 2009 at 5:59 PM, Charles R Harris <charlesr.harris@gmail.com
> wrote:

> On Mon, Apr 27, 2009 at 3:05 PM, Wes McKinney <wesmckinn@gmail.com> wrote:
>> Hello,
>> I am wondering if anyone can offer some suggestions on this problem. Over
>> the last year or so I have been building a number of libraries on top of
>> NumPy + SciPy + matplotlib and other libraries which are being used for
>> investigative research for my company's problem domain in place of, say,
>> Matlab and R (which are more "ready out of the box" systems). I have
>> approximately 20 users, all of whom are running Windows on a very
>> Microsoft-centric network with databases, etc. Has anyone had any luck
>> managing a standardized Python environment on lots of Windows machines with
>> a large number of 3rd-party Python libraries? Upgrading packages right now
>> involves getting 20 people to click through an .exe installer, which is
>> hardly a good solution. For example, I was recently forced to upgrade
>> everyone's NumPy to 1.3 after I discovered that a DLL I had built against
>> 1.3 was incompatible with 1.2.x.
> Out of curiosity, what was the nature of the incompatibility?
> Chuck
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A Cython DLL using the NumPy include and buffer interface (which worked fine
in 1.2.x, too) caused a hard crash on import, I wasn't able to diagnose
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