[zeromq-dev] ZeroMQ and NORM

[Michel Pelletier]

I guess my approach doesn't help if you're looking to add special configure
args like --with-norm, MinRK, do you know of a way to pass those args to
the bundling configure call?  A quick glance at setup.py didn't give me any
good ideas.

-Michel

On Wed, Mar 11, 2015 at 10:40 AM, Michel Pelletier <
pelletier.michel at gmail.com> wrote:

> I've found the best way to avoid these kind of problems (version mismatch
> with existing system libzmq) is to use a virtual environment and then do a
> bundled pyzmq build:
>
>   $ virtualenv foo
>   $ . foo/bin/activate
>   (foo)$  pip install --install-option --zmq=bundled pyzmq
>   (foo)$ python -c 'import zmq; print zmq.zmq_version()'
>   4.0.5
>
> It always makes a nice, isolated install.
>
> -Michel
>
> On Wed, Mar 11, 2015 at 10:29 AM, Brian Adamson <
> brian.adamson at nrl.navy.mil> wrote:
>
>> As I think MinRF is getting at here, you need to make sure your pyzmq you
>> are using is loading the libzmq that you built/installed with the NORM
>> extension.  On my systems, I had to download and install pyzmq from source
>> code instead of one the prebuilt packages that assumed a dependency on an
>> existing libzmq package instead of what you are building yourself.  In a
>> nutshell, I built (with norm) and installed the github libzmq and then
>> separately downloaded pyzmq and used its “python setup.py install” approach
>> to install it from source.  I also had to make sure I didn’t have pyzmq
>> installed some other way since you can end up with other packages on your
>> systems that want to install pyzmq in a standard way since they have their
>> own dependencies upon it.
>>
>> Note the current GitHub libzmq is 4.2.0.  If your system is reporting
>> version 3.2.5, it’s likely you have a conflicting (without norm and hence
>> the error) version of libzmq installed that pyzmq is finding instead of the
>> one you want.
>>
>> best regards,
>>
>> Brian
>>
>>
>>
>> On Mar 11, 2015, at 12:54 PM, MinRK <benjaminrk at gmail.com> wrote:
>>
>> How did you install pyzmq? What OS is this?
>>
>> -MinRK
>>
>> On Wed, Mar 11, 2015 at 7:03 AM, Adam Najman <najman at gmail.com> wrote:
>>
>>> I'm trying to establish a NORM connection using ZeroMQ as detailed here:
>>>
>>> http://zeromq.org/topics:norm-protocol-transport
>>>
>>> I've already built NORM and ZeroMQ with support for norm using
>>> ./configure –with-norm=/path/to/norm.
>>>
>>> The code I'm trying is as follows:
>>>
>>> #Subscriberimport zmq
>>> context = zmq.Context()
>>> socket = context.socket(zmq.SUB)
>>> socket.bind("norm://224.1.2.3:5556")
>>> socket.setsockopt(zmq.SUBSCRIBE, "ZMQ-Test")while True:
>>>     string = socket.recv()
>>>     print string
>>> #Publisherimport zmqimport time
>>> context = zmq.Context()
>>> socket = context.socket(zmq.PUB)
>>> socket.connect("norm://224.1.2.3:5556")
>>> i = 1while True:
>>>     topic = "ZMQ-Test"
>>>     message = "Hello, NORM " + str(i) + " …"
>>>     socket.send("%s %s" % (topic, message))
>>>     i += 1
>>>     time.sleep(1)
>>>
>>> Whenever I run either of these, I get an error message:
>>>
>>> Traceback (most recent call last):
>>>   File "pub.py", line 5, in <module>
>>>     socket.connect("norm://224.1.2.3:5556")
>>>   File "zmq/backend/cython/socket.pyx", line 471, in zmq.backend.cython.socket.Socket.connect (zmq/backend/cython/socket.c:4295)
>>> zmq.error.ZMQError: Protocol not supported
>>>
>>> I've tried re-installing everything and building everything from
>>> scratch, including NORM ZeroMQ and PyZMQ. Can anyone help with this issue?
>>> Python Version: 2.7.9 NORM Version: 1.5b4 ZeroMQ Version: 3.2.5
>>>
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>>>
>>>
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