[IPython-User] User Installation of IPython Parallel Capabilities

MinRK benjaminrk@gmail....
Sat Jan 21 17:43:33 CST 2012

On Sat, Jan 21, 2012 at 15:23, Erik Petigura <eptune@gmail.com> wrote:
> 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.

I believe homebrew is prefix-agnostic (just like macports, etc.), and
it will live in its own little anywhere you put it, e.g. ~/usr/local.

> Erik
> 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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