ImportError: No module named IcePy in Raspberry Pi

pgaleas

Hello,
I'm newby with Ice and I'm trying to run the python "Hello World" in my RaspberryPi.

I build a core-image-base (Yocto) with the following BBLAYERS:

BBLAYERS ?= " \
/home/jon/software/yocto/poky-jethro-2.0/meta \
/home/jon/software/yocto/poky-jethro-2.0/meta-yocto \
/home/jon/software/yocto/poky-jethro-2.0/meta-yocto-bsp \
/home/jon/software/yocto/meta-openembedded/meta-oe \
/home/jon/software/yocto/meta-openembedded/meta-filesystems \
/home/jon/software/yocto/meta-openembedded/meta-networking \
/home/jon/software/yocto/meta-openembedded/meta-python \
/home/jon/software/yocto/meta-sdr \
/home/jon/software/yocto/meta-raspberrypi \
"

I have the Server demo running on a standardr PC (java) of the same network.

When a run the Client.py in my Raspberry I get the following Error:

Traceback (most recent call last):
  File "Client.py", line 1, in <module>
    import Ice
  File "/usr/lib/python2.7/site-packages/Ice.py", line 47, in <module>
    import IcePy
ImportError: No module named IcePy

My sys.path print out:

[email protected]:~/development/python# python
Python 2.7.9 (default, Oct 26 2016, 17:30:13) 
[GCC 5.2.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import sys
sys.path

['', '/usr/lib/python27.zip', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/lib/python2.7/site-packages', '/usr/lib/python2.7/site-packages/gtk-2.0']

What I'm doing wrong?

Best regards
PGaleas

joegeorge

This is an issue with the meta-zeroc layer. The extension should be named IcePy.so and not IcePy.so.3.6.3. I've updated our layer with a fix for this.

Please let me know if this resolves your issue.

joegeorge

Hi PGaleas,

It doesn't look like you are using our meta layer. You can find instructions for including our meta-layer on the Using Ice-E with Yocto page of our documenation.

You will also need to be sure you're including our python package as part of your build. Your local.conf file should contain:

IMAGE_INSTALL_append = " zeroc-ice zeroc-ice-python"

Cheers,
Joe

pgaleas

Hi Joe,

I actually followed the instructions you mentioned. I copied an old BBLayer definition in my last post (sorry for the confusion).

So, my actual BBLAYERS includes meta-zeroc at the end of the string":

BBLAYERS ?= " \
  /home/pgaleas/software/yocto/poky-jethro-2.0/meta \
  /home/pgaleas/software/yocto/poky-jethro-2.0/meta-yocto \
  /home/pgaleas/software/yocto/poky-jethro-2.0/meta-yocto-bsp \
  /home/pgaleas/software/yocto/meta-openembedded/meta-oe \
  /home/pgaleas/software/yocto/meta-openembedded/meta-filesystems \
  /home/pgaleas/software/yocto/meta-openembedded/meta-networking \
  /home/pgaleas/software/yocto/meta-openembedded/meta-python \
  /home/pgaleas/software/yocto/meta-raspberrypi \
  /home/pgaleas/software/yocto/meta-sdr \
  /home/pgaleas/software/yocto/meta-zeroc \ 
"

I also include in following lines in the local.conf

IMAGE_INSTALL_append = " zeroc-ice zeroc-ice-python"
TOOLCHAIN_TARGET_TASK_append = " zeroc-ice-dev zeroc-ice-staticdev"
TOOLCHAIN_HOST_TASK_append  = " nativesdk-zeroc-ice-dev"

The Raspberry's folder /usr/lib/python2.7/site-packages contains the file IcePy.so.3.6.3
But when I try to import the Ice library in the python console, I got the same error I mentioned before:

[email protected]:/usr/lib/python2.7/site-packages# python
Python 2.7.9 (default, Oct 26 2016, 17:30:13) 
[GCC 5.2.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.

import Ice

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "Ice.py", line 47, in <module>
    import IcePy
ImportError: No module named IcePy

Any idea?
Thank you for the response.

Cheers
PGaleas

joegeorge

This is an issue with the meta-zeroc layer. The extension should be named IcePy.so and not IcePy.so.3.6.3. I've updated our layer with a fix for this.

Please let me know if this resolves your issue.

pgaleas

It works!
Thanks Joe.