Re: [matplotlib-devel] MEP11: Attempting to deal with the Python library dependency issue

[Michael D. <md...@st...>]

On 10/03/2012 05:26 PM, Erik Bray wrote:
> On 10/03/2012 12:20 PM, Michael Droettboom wrote:
>> I invite comments for a new MEP about improving the situation with
>> respect to our bundling of third-party Python dependencies.
>>
>> In particular, I'd love feedback from the various stakeholders -- those
>> producing binary installers and packages for the various platforms.
>>
>> https://github.com/matplotlib/matplotlib/wiki/MEP11
>>
>> Mike
>
> +1 Let me know if you need/want any help with any distribute or pip 
> intricacies.
>
> As for Windows, I need to double check, but I believe bdist_wininst 
> installers generated by setuptools/distribute do support installing 
> dependencies from PyPI.
>
> Regarding Numpy: I'm not sure, does Matplotlib require Numpy at build 
> time?  I'm guessing probably yes, but if not it can also be installed 
> by easy_install or pip.  IIRC easy_install will install one of the 
> pre-built binary eggs.  pip only installs/builds from source which can 
> be problematic sometimes. Though I fixed Numpy a while back to be 
> installable by pip so it *does* work so long as Numpy can be built on 
> your system.

Numpy is required at build time (matplotlib C++ extensions need to 
include Numpy's headers), but I had assumed if it was a requirement, it 
would get installed first and then we'd be ok to proceed.  Is that not 
how pip works?

Mike