RE: (epics-python) Cothread egg installation

[Emmanuel Mayssat <emayssat@outlook.com>]

Yes, got it!

The import command is looking FIRST in the local directory and then in the PYTHONPATH

Given the directory layout in the egg source, you need to get out of the source tree to use the newly installed python libs.

Thanks,

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E

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From: michael.abbott@diamond.ac.uk
To: emayssat@outlook.com; tech-talk@aps.anl.gov
Subject: RE: (epics-python) Cothread egg installation
Date: Tue, 5 Feb 2013 07:39:31 +0000

As Guobao has pointed out, if you try to import cothread from within its source directory then you might get unexpected results.  However, you can fix this problem by running this command (you don’t need sudo for this):

 

                python setup.py build_ext –i

 

This will ensure that _coroutine.so is built in the source directory, which is useful if you want to work with the sources.  However, as you’ve already run ‘python setup.py install’, also try changing to another directory and see if ‘import cothread’ works there.

 

I presume that you didn’t mean to write ‘cothread.utils’ below?  I don’t recognise it, you probably mean ‘cothread.catools’.

 

From: Emmanuel Mayssat [mailto:emayssat@outlook.com]
Sent: 05 February 2013 02:07
To: tech-talk@aps.anl.gov; Abbott, Michael (DLSLtd,RAL,DIA)
Subject: (epics-python) Cothread egg installation

 

Michael,

 

I am in the middle of the installation of the epics4 masarService (python based Save Compare Restore)

Cothread is a dependency.

http://controls.diamond.ac.uk/downloads/python/cothread/

 

After downloading 2-8, I ran 

sudo python setup install 

Everything seems to run smoothly

 

Thereafter to test the installation, I do

 

$ python 

Python 2.7.3 (default, Jul 24 2012, 11:41:40) 

[GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> from cothread.utils import * 

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "cothread/__init__.py", line 41, in <module>

    from . import cothread

  File "cothread/cothread.py", line 79, in <module>

    from . import _coroutine

ImportError: cannot import name _coroutine

 

What is going on?

 

Regards,

--

Emmanuel

Lyncean Technologies

Palo Alto, CA

 

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