[ros-users] Installation stuck on Redhat 2.6 (ImportError: No module named yaml)

Ken Conley kwc at willowgarage.com
Wed Jun 16 02:55:39 UTC 2010


rosinstall uses:

#!/usr/bin/env python

If you encounter scripts using /usr/bin/python, please file a bug report.

 - Ken

On Tue, Jun 15, 2010 at 7:52 PM, Eric Perko <wisesage5001 at gmail.com> wrote:

> You should also check this with `/usr/bin/python` as well as `python`.
> I saw a problem on Mac OS X a while back that was similar due to some
> of the ROS scripts using `/usr/bin/python` and not `/usr/bin/env
> python`, which caused then to use the wrong version of python. This
> gave me a similar type of error - yaml was installed, I could load it
> up using the python interpreter, but none of ROS could find it.
>
> Hope that helps.
>
> - Eric
>
> On Tue, Jun 15, 2010 at 10:47 PM, Ken Conley <kwc at willowgarage.com> wrote:
> > Alright, it does look like you have a PyYAML install there, question is
> why
> > it's not being found.
> >
> > One more thing to try :
> >
> > python --version
> > python -c "import yaml; print yaml"
> >
> >  - Ken
> >
> > On Tue, Jun 15, 2010 at 7:37 PM, Isao Isaac Saito
> > <130s at 2000.jukuin.keio.ac.jp> wrote:
> >>
> >> Ken,
> >>
> >> thanks. Here is the result after I tried to run installation for PyYAML.
> >>
> >> <quote>
> >> [robot at localhost ~]$ sudo yum install wget cmake PyYAML
> >> [sudo] password for robot:
> >> Setting up Install Process
> >> Package wget-1.12-2.fc11.i586 already installed and latest version
> >> Package cmake-2.6.4-3.fc11.i586 already installed and latest version
> >> Package PyYAML-3.08-4.fc11.i586 already installed and latest version
> >> Nothing to do
> >> </quote>
> >>
> >> Btw, python is ver 2.6.2.
> >>
> >> Isaac
> >> Heracleia lab at UT-Arlington
> >>
> >>
> >> On Tue, Jun 15, 2010 at 9:23 PM, Ken Conley <kwc at willowgarage.com>
> wrote:
> >> > Isaac,
> >> >
> >> > It appears PyYAML did not install correctly. What happens when you
> run:
> >> >
> >> > sudo yum install wget cmake PyYAML
> >> >
> >> > (I'm not a Fedora expert, but that's the line in the install page)
> >> >
> >> >  - Ken
> >> >
> >> > On Tue, Jun 15, 2010 at 7:21 PM, Isao Isaac Saito
> >> > <130s at 2000.jukuin.keio.ac.jp> wrote:
> >> >>
> >> >> Hi all,
> >> >>
> >> >> I am stuck at and getting error message below. I'm assuming this is
> >> >> resulting in pythonpath setting but I'm not sure since I'm new to it
> >> >> yet. I appreciate if anyone gives me an idea.
> >> >>
> >> >> - Phenomenon
> >> >> <quote>
> >> >> % ~/rosinstall ~/ros
> >> >> http://ros.org/rosinstalls/boxturtle_base.rosinstall
> >> >> Traceback (most recent call last):
> >> >>  File "/home/robot/rosinstall", line 25, in <module>
> >> >>    import yaml # 10Jun15/Isao; rosnstall still stuck here
> >> >> ImportError: No module named yaml
> >> >> </quote>
> >> >>
> >> >> - Environement
> >> >> Redhat Linux version 2.6.29.4
> >> >> gcc version 4.4.1 20090725 (Red Hat 4.4.1-2) (GCC)
> >> >> Type of ROS: I'm referring to "Fedora 11 Installation Instructions"
> >> >> (http://www.ros.org/wiki/ROS/Installation/Fedora)
> >> >> # Using Redhat 2.6 is required the robot
> >> >>
> >> >> - Workaround tried (all of these didn't have effect)
> >> >> W-1. Copy /usr/lib/python2.6/site-packages/yaml/cyaml.py* to
> >> >> %HOME_PYTHON%/ . Modify rosinstall to "import cyaml"
> >> >> W-2. Copy /usr/share/doc/PyYAML-3.08/examples/pygments-lexer/yaml.py
> >> >> to %HOME_PYTHON%/
> >> >>
> >> >> - Result of "locate yaml"
> >> >> https://docs.google.com/View?id=dfcq779r_271f5bt6gff
> >> >>
> >> >> Best regards,
> >> >> Isaac
> >> >> _______________________________________________
> >> >> ros-users mailing list
> >> >> ros-users at code.ros.org
> >> >> https://code.ros.org/mailman/listinfo/ros-users
> >> >
> >> >
> >> > _______________________________________________
> >> > ros-users mailing list
> >> > ros-users at code.ros.org
> >> > https://code.ros.org/mailman/listinfo/ros-users
> >> >
> >> >
> >> _______________________________________________
> >> ros-users mailing list
> >> ros-users at code.ros.org
> >> https://code.ros.org/mailman/listinfo/ros-users
> >
> >
> > _______________________________________________
> > ros-users mailing list
> > ros-users at code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-users
> >
> >
> _______________________________________________
> ros-users mailing list
> ros-users at code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ros.org/pipermail/ros-users/attachments/20100615/f3b5c30e/attachment-0003.html>


More information about the ros-users mailing list