Hello,
I am using Ryu for quite a while now and I already installed it several
times on different Ubuntu 14.04 64Bit VMs that all had the same
configuration.
I never had a problem with the installation but suddenly when I try to
install Ryu via
pip install ryu
I get the following error logged in pip.log
....
....
....
Downloading from URL
https://pypi.python.org/packages/source/r/ryu/ryu-3.29.1.tar.gz#md5=93160c5c8484d3e5efba44ac6198f3c8
(from https://pypi.python.org/simple/ryu/)
Running setup.py (path:/tmp/pip_build_root/ryu/setup.py) egg_info for
package ryu
error in ryu setup command: Invalid environment marker: (python_version
>= '2.7')
Complete output from command python setup.py egg_info:
error in ryu setup command: Invalid environment marker: (python_version
>= '2.7')
----------------------------------------
Cleaning up...
Removing temporary dir /tmp/pip_build_root...
Command python setup.py egg_info failed with error code 1 in
/tmp/pip_build_root/ryu
Exception information:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in
main
status = self.run(options, args)
File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line
278, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle,
bundle=self.bundle)
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1230, in
prepare_files
req_to_install.run_egg_info()
File "/usr/lib/python2.7/dist-packages/pip/req.py", line 326, in
run_egg_info
command_desc='python setup.py egg_info')
File "/usr/lib/python2.7/dist-packages/pip/util.py", line 715, in
call_subprocess
% (command_desc, proc.returncode, cwd))
InstallationError: Command python setup.py egg_info failed with error code
1 in /tmp/pip_build_root/ryu
My installed python version is 2.7.6
The same error also occurs when I try to install ryu from source with
git clone git://github.com/osrg/ryu.git
cd ryu
python ./setup.py install
Does anyone have an idea what could cause that problem?
Best wishes,
Emmanuel
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