[IPython-User] User Installation of IPython Parallel Capabilities

Erik Petigura eptune@gmail....
Sat Jan 21 17:23:55 CST 2012

Thanks for the tips, Min!

I couldn't get easy_install to work so I built libzmq from source then built pyzmq against it.  

Does homebrew allow for user installs?  My machines have macports on them and every time I need some new software, I have to bug the admin.


On Jan 21, 2012, at 1:48 PM, MinRK wrote:

> On Sat, Jan 21, 2012 at 13:38, Erik Petigura <eptune@gmail.com> wrote:
>> Dear IPython,
>> I need to install IPython on a cluster where I don't have root access.
>>  There is mac ports python2.7 installed.  I edited the ~/.pydistutils.cfg
>> file to do user installations.
>> [597][petigura]$ cat ~/.pydistutils.cfg
>> [install]
>> install_lib = ~/Library/Python/$py_version_short/site-packages
>> install_scripts = ~/bin
>> And I was able to install IPython with easy_install.
>> [601][petigura]$ easy_install-2.7 --upgrade ipython
>> However, when I tried installing pyzmq for parallel capabilities,
>> easy_install failed.  I think it's having a hard time building zmq.  Here's
>> the error message:
>> [602][petigura]$ easy_install-2.7 --upgrade pyzmq
>> Searching for pyzmq
>> Reading http://pypi.python.org/simple/pyzmq/
>> Reading http://github.com/zeromq/pyzmq
>> Reading http://github.com/zeromq/pyzmq/downloads
>> Best match: pyzmq 2.1.11
>> Downloading https://github.com/downloads/zeromq/pyzmq/pyzmq-2.1.11.zip
>> Processing pyzmq-2.1.11.zip
>> Running pyzmq-2.1.11/setup.py -q bdist_egg --dist-dir
>> /tmp/easy_install-5iPT9m/pyzmq-2.1.11/egg-dist-tmp-UIkyY7
>> ******************************************
>> Configure: Autodetecting ZMQ settings...
>>     Custom ZMQ dir:       None
>> detect/vers.c:3:17: error: zmq.h: No such file or directory
>> detect/vers.c: In function 'main':
>> detect/vers.c:7: warning: implicit declaration of function 'zmq_version'
>> error: command '/usr/bin/gcc-4.0' failed with exit status 1
>> Fatal:
>>     Failed to compile ZMQ test program.  Please check to make sure:
>>     * You have a C compiler installed
>>     * A development version of Python is installed (including header files)
>>     * A development version of ZMQ >= 2.1.4 is installed (including header
>> files)
>>     * If ZMQ is not in a default location, supply the argument --zmq=<path>
>>     * If you did recently install ZMQ to a default location,
>>       try rebuilding the ld cache with `sudo ldconfig`
>>       or specify zmq's location with `--zmq=/usr/local`
> As the above message describes, you need to *already have* libzmq in
> order to build pyzmq from source, and if you install it to a
> non-default location (presumably necessary if you don't have root
> access) you will need to add a `python setup.py configure
> --zmq=/path/to/libzmq/prefix` step prior to building.  The easiest way
> to install libzmq is `brew install zeromq` with homebrew, but it's
> just a simple `./configure --prefix=foo && make && make install`
> package if you want to do it yourself.
> That said, I don't know why your Python doesn't see the appropriate
> OSX egg, which includes libzmq, but you might try fetching it
> directly:
> $> easy_install
> http://pypi.python.org/packages/2.7/p/pyzmq/pyzmq-2.1.11-py2.7-macosx-10.7-intel.egg
> If you are on 10.6, then it might be ignoring the 10.7 egg, but I'm
> not sure that it won't actually work.
> -MinRK

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