Hi,I am trying to install ROS on a Macbook (early 2009) running Mac OS X Leopard. I am unable to install Pyyaml. I also tried different things to get it installed in different ways but still out of luck. I will list what I've tried and what error I received.After running sudo easy_install -U pyyaml, I have the following output:Searching for pyyaml Reading http://pypi.python.org/simple/pyyaml/ Reading http://pyyaml.org/wiki/PyYAML Best match: PyYAML 3.09 Downloading http://pyyaml.org/download/pyyaml/PyYAML-3.09.zip Processing PyYAML-3.09.zip Running PyYAML-3.09/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ZJ-Kgs/PyYAML-3.09/egg-dist-tmp-4w-rDE build/temp.macosx-10.5-i386-2.5/check_libyaml.c:2:18: error: yaml.h: No such file or directory build/temp.macosx-10.5-i386-2.5/check_libyaml.c: In function ‘main’: build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: ‘yaml_parser_t’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: (Each undeclared identifier is reported only once build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: for each function it appears in.) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: syntax error before ‘parser’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:6: error: ‘yaml_emitter_t’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:8: warning: implicit declaration of function ‘yaml_parser_initialize’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:8: error: ‘parser’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:9: warning: implicit declaration of function ‘yaml_parser_delete’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:11: warning: implicit declaration of function ‘yaml_emitter_initialize’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:11: error: ‘emitter’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:12: warning: implicit declaration of function ‘yaml_emitter_delete’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:2:18: error: yaml.h: No such file or directory build/temp.macosx-10.5-i386-2.5/check_libyaml.c: In function ‘main’: build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: ‘yaml_parser_t’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: (Each undeclared identifier is reported only once build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: for each function it appears in.) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:5: error: syntax error before ‘parser’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:6: error: ‘yaml_emitter_t’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:8: warning: implicit declaration of function ‘yaml_parser_initialize’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:8: error: ‘parser’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:9: warning: implicit declaration of function ‘yaml_parser_delete’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:11: warning: implicit declaration of function ‘yaml_emitter_initialize’ build/temp.macosx-10.5-i386-2.5/check_libyaml.c:11: error: ‘emitter’ undeclared (first use in this function) build/temp.macosx-10.5-i386-2.5/check_libyaml.c:12: warning: implicit declaration of function ‘yaml_emitter_delete’ lipo: can't open input file: /var/tmp//cc9LRgKl.out (No such file or directory) libyaml is not found or a compiler error: forcing --without-libyaml (if libyaml is installed correctly, you may need to specify the option --include-dirs or uncomment and modify the parameter include_dirs in setup.cfg) zip_safe flag not set; analyzing archive contents... No eggs found in /tmp/easy_install-ZJ-Kgs/PyYAML-3.09/egg-dist-tmp-4w-rDE (setup script problem?)After this I tried several different ways to install pyyaml:1) I installed libyaml using macports and got the same error.
2) I saw this http://pyyaml.org/ticket/94 ticket and tried to upgrade my setuptools using macports (sudo port install py26-setuptools) and got the following error:
---> Computing dependencies for py26-setuptools ---> Activating py26-setuptools @0.6c11_1 Error: Target org.macports.activate returned: Image error: /opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin/easy_install already exists and does not belong to a registered port. Unable to activate port py26-setuptools. Use 'port -f activate py26-setuptools' to force the activation. Log for py26-setuptools is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_python_py26-setuptools/main.log Error: Status 1 encountered during processing. To report a bug, see <http://guide.macports.org/#project.tickets>When I tried to force activate it as suggested I got this:Those are the last few lines of the output. I don't know how to solve this problem, as I am not familiar with python's setuptools.
4) Finally, I got the pyyaml-3.09 source and installed as per the instructions. It installed without problems,running install running build running build_py running build_ext running install_lib running install_egg_info Removing /opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PyYAML-3.09-py2.6.egg-infoWriting /opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/PyYAML-3.09-py2.6.egg-infoHowever, as the next step in the ROS install, I ran this command as described in the website" http://packages.ros.org/cgi-bin/gen_rosinstall.py?rosdistro=diamondback&variant=ros-full&overlay=no"] and I got the following error:Traceback (most recent call last): File "/usr/local/bin/rosinstall", line 5, in <module> pkg_resources.run_script('rosinstall==0.5.16', 'rosinstall') File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/pkg_resources.py", line 442, in run_script self.require(requires)[0].run_script(script_name, ns) File "/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/pkg_resources.py", line 1167, in run_script exec script_code in namespace, namespace File "/usr/local/bin/rosinstall", line 23, in <module> ImportError: No module named yamlwhich seems to indicate that pyyaml (or yaml?) is still not installed (or its installed in a place where this command is not looking). Right now, I am out of options, I don't know what else to try. I have issued this problem as a new ticket on pyyaml.org website (http://pyyaml.org/ticket/186), however I have not received any reply.
Any help on this is greatly appreciated.
Thanks,
S.
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