Crossbar 0.12.1 : No module named django

[Jonas Turbeaux]

I get an error while i launch crossbar 0.12.1 that I did not have with the version 0.11.
I opened a topic on Stackoverflow :

I http://stackoverflow.com/questions/35290280/crossbar-0-12-1-no-module-named-django

Many Thanks for your work !

[Jonas Turbeaux]

Hi !

Same problem here with your wsgi tutorial and crossbar 0.12.1 :
http://crossbar.io/docs/WSGI-Host-Service/

" WSGI app module 'myapp' import failed: No module named flask "

2016-02-11T12:05:51+0000 [Router        170] NativeWorkerSession.onUserError
Traceback (most recent call last):
  File "/opt/crossbar/site-packages/autobahn/twisted/websocket.py", line 165, in _onMessage
    self.onMessage(payload, isBinary)
  File "/opt/crossbar/site-packages/autobahn/wamp/websocket.py", line 90, in onMessage
    self._session.onMessage(msg)
  File "/opt/crossbar/site-packages/autobahn/wamp/protocol.py", line 755, in onMessage
    on_reply = txaio.as_future(endpoint.fn, *invoke_args, **invoke_kwargs)
  File "/opt/crossbar/site-packages/txaio/tx.py", line 339, in as_future
    return maybeDeferred(fun, *args, **kwargs)
--- <exception caught here> ---
  File "/opt/crossbar/site-packages/twisted/internet/defer.py", line 150, in maybeDeferred
    result = f(*args, **kw)
  File "/opt/crossbar/site-packages/crossbar/worker/router.py", line 795, in start_router_transport
    root = self._create_resource(root_config, nested=False)
  File "/opt/crossbar/site-packages/crossbar/worker/router.py", line 969, in _create_resource
    raise ApplicationError(u"crossbar.error.invalid_configuration", "WSGI app module '{}' import failed: {} - Python search path was {}".format(mod_name, e, sys.path))
autobahn.wamp.exception.ApplicationError: ApplicationError(error=<crossbar.error.invalid_configuration>, args=["WSGI app module 'myapp' import failed: No module named flask - Python search path was [u'/root/flask', '/opt/crossbar/site-packages/crossbar/worker', '/usr/bin', '/opt/crossbar/lib_pypy/__extensions__', '/opt/crossbar/lib_pypy', '/opt/crossbar/lib-python/2.7', '/opt/crossbar/lib-python/2.7/lib-tk', '/opt/crossbar/lib-python/2.7/plat-linux2', '/opt/crossbar/site-packages']"], kwargs={}, enc_algo=None)

2016-02-11T12:05:51+0000 [Controller    165] crossbar.error.invalid_configuration: WSGI app module 'myapp' import failed: No module named flask - Python search path was [u'/root/flask', '/opt/crossbar/site-packages/crossbar/worker', '/usr/bin', '/opt/crossbar/lib_pypy/__extensions__', '/opt/crossbar/lib_pypy', '/opt/crossbar/lib-python/2.7', '/opt/crossbar/lib-python/2.7/lib-tk', '/opt/crossbar/lib-python/2.7/plat-linux2', '/opt/crossbar/site-packages']

Can you reproduce this error or i'm the only one ?
I work within a clean docker install, with python 2.7.

Many Thanks !

[Tobias Oberstein]

Jonas,

I'll look tomorrow. Promise;) Need to get some sleep ..

Cheers,
/Tobias

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[Jonas Turbeaux]

Thanks Tobias, no problem ! Take your time, i'm not in a hurry :) I Still look for my side, others say that they are unable to reproduce the error with flask. I'm just puzzled :)

Many thanks again :)

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[Tobias Oberstein]

Hi Jonas,

funny, just that minute I added a WSGI example:

https://github.com/crossbario/crossbarexamples/tree/master/wsgi

Works for me with CB trunk (and should work with release also, with
slight config file mods).

--

Rgd Django:

The
https://github.com/crossbario/crossbarexamples/tree/master/django/realtimemonitor
for the Django/Crossbar.io tutorial
http://crossbar.io/docs/Adding-Real-Time-to-Django-Applications/ works
for me out of the box.


So .. mmh. Can't reproduce your issue =(

Cheers,
/Tobias

Am 12.02.2016 um 11:53 schrieb Jonas Turbeaux:
> Thanks Tobias, no problem ! Take your time, i'm not in a hurry :) I
> Still look for my side, others say that they are unable to reproduce the
> error with flask. I'm just puzzled :)
> Many thanks again :)
>
>
> 2016-02-12 0:35 GMT+01:00 Tobias Oberstein <tobias.o...@gmail.com

> <mailto:tobias.o...@gmail.com>>:

>
> Jonas,
>
> I'll look tomorrow. Promise;) Need to get some sleep ..
>
> Cheers,
> /Tobias
>
> Am 09.02.2016 um 13:43 schrieb Jonas Turbeaux:
>
> I get an error while i launch crossbar 0.12.1 that I did not
> have with
> the version 0.11.
> I opened a topic on Stackoverflow :
>
> I
> http://stackoverflow.com/questions/35290280/crossbar-0-12-1-no-module-named-django
>
> Many Thanks for your work !
>
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[Jonas Turbeaux]

Thanks Tobias, i will try it.

I'm confused that i'm the only one with this error... Very strange cause i work with a clean environment through docker.

I see that your exemple use the 0.13 version of crossbar. You get the same result with the 0.12.1 i guess ?

Many thanks again for your work. It's amazing , i expected this kind of tools since a long time. Good luck :)

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[Jonas Turbeaux]

I have updated the stackoverflow. here my solution :

I work with Docker in order to have a clean environment.
The Dockerfile here : http://crossbar.io/docs/Installation-on-Docker/ seem broken :

    ImportError: No module named setuptools_ext
   
    ----------------------------------------
    Cleaning up...
    Command python setup.py egg_info failed with error code 1 in /tmp/pip-build-VfPnRU/pynacl
    Storing debug log for failure in /root/.pip/pip.log
    The command '/bin/sh -c pip install crossbar[all]' returned a non-zero code: 1

it seem solved with :

    RUN pip install --upgrade cffi

Before RUN pip install crossbar[all]

With this Environment, my problem are solved :)
Don't know why i get this error before, but it's work.

Many thanks to all here and to indexerror, the "french python stackoverflow" :)

http://indexerror.net/3380/crossbar-0-12-1-wsgi-error-no-module-named-django?show=3415




P.S.

Here the clean Dockerfile i use :

    # to build this container:
    # docker build -t crossbar .
    FROM debian:jessie
   
    RUN apt-get update && apt-get -y install build-essential libssl-dev libffi-dev libreadline-dev libbz2-dev libsqlite3-dev libncurses5-dev python-pip python-dev
    RUN pip install --upgrade cffi
    RUN pip install crossbar[all]

[Tobias Oberstein]

Hi Jonas,

hooray, glad you solved the issue and got it working. Thanks for
reporting back! Much appreciated. I filed:
https://github.com/crossbario/crossbardocs/issues/61

Cheers,
/Tobias

> <mailto:jtur...@gmail.com>>:

>
> Thanks Tobias, i will try it.
> I'm confused that i'm the only one with this error... Very strange
> cause i work with a clean environment through docker.
> I see that your exemple use the 0.13 version of crossbar. You get
> the same result with the 0.12.1 i guess ?
> Many thanks again for your work. It's amazing , i expected this kind
> of tools since a long time. Good luck :)
>
> 2016-02-12 12:24 GMT+01:00 Tobias Oberstein

> <tobias.o...@gmail.com <mailto:tobias.o...@gmail.com>>:

>
> Hi Jonas,
>
> funny, just that minute I added a WSGI example:
>
> https://github.com/crossbario/crossbarexamples/tree/master/wsgi
>
> Works for me with CB trunk (and should work with release also,
> with slight config file mods).
>
> --
>
> Rgd Django:
>
> The
> https://github.com/crossbario/crossbarexamples/tree/master/django/realtimemonitor
> for the Django/Crossbar.io tutorial
> http://crossbar.io/docs/Adding-Real-Time-to-Django-Applications/
> works for me out of the box.
>
>
> So .. mmh. Can't reproduce your issue =(
>
> Cheers,
> /Tobias
>
>
> Am 12.02.2016 um 11:53 schrieb Jonas Turbeaux:
>
> Thanks Tobias, no problem ! Take your time, i'm not in a
> hurry :) I
> Still look for my side, others say that they are unable to
> reproduce the
> error with flask. I'm just puzzled :)
> Many thanks again :)
>
>
> 2016-02-12 0:35 GMT+01:00 Tobias Oberstein
> <tobias.o...@gmail.com <mailto:tobias.o...@gmail.com>

> <mailto:tobias.o...@gmail.com

> <mailto:tobias.o...@gmail.com>>>:
>
> Jonas,
>
> I'll look tomorrow. Promise;) Need to get some sleep ..
>
> Cheers,
> /Tobias
>
> Am 09.02.2016 um 13:43 schrieb Jonas Turbeaux:
>
> I get an error while i launch crossbar 0.12.1 that
> I did not
> have with
> the version 0.11.
> I opened a topic on Stackoverflow :
>
> I
> http://stackoverflow.com/questions/35290280/crossbar-0-12-1-no-module-named-django
>
> Many Thanks for your work !
>
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