Error installing Z2Pack 2.1.1

[Dominik Gresch]

Dear Rajdeep,

It seems that the update of setuptools happened with python 2 instead of 
3. You can force pip to use a specific Python interpreter by calling it 
as 'python -m pip' instead of simply calling 'pip', where 'python' 
should be the specific interpreter that you want to install something on.

So in this case, you can try:

sudo python3 -m pip install -U setuptools
python3 -m pip install --user PATH_TO_Z2PACK

Best regards,

Dominik


On 16.04.2018 06:42, Rajdeep Banerjee wrote:
> Dear sir,
>             I tried following your suggestion and found the following:
> >> sudo pip install -U setuptools
> Requirement already up-to-date: setuptools in 
> /usr/local/lib/python2.7/dist-packages
> Cleaning up...
>
> It seems although I have installed python-3.5, but my default is 
> python-2.7. I changed the alias in bash so that calling python will 
> call python-3.5. But the problem persists.
> >> sudo python -m pip install --user 
> /home/rajdeep/soft/Z2Pack-master-2.1.x
>
> ...
>
> Downloading/unpacking fsc.export (from z2pack==2.1.1)
>   Downloading fsc.export-1.1.0.tar.gz
>   Running setup.py (path:/tmp/pip_build_rajdeep/fsc.export/setup.py) 
> egg_info for package fsc.export
>     error in fsc.export setup command: Invalid environment marker: 
> python_version < "3"
>     Complete output from command python setup.py egg_info:
>     error in fsc.export setup command: Invalid environment marker: 
> python_version < "3"
>
>
> Please help. Thanks in advance.
>
> best regards,
> Rajdeep
>
>
>
>
> On Sat, Apr 14, 2018 at 10:34 PM, Rajdeep Banerjee 
> <rajdeep.jzs at gmail.com <mailto:rajdeep.jzs at gmail.com>> wrote:
>
>     Dear sir,
>                   thank you very much for your suggestion, I will let
>     you know if it works.
>
>     best regards,
>     Rajdeep
>
>
>
>     On Sat, Apr 14, 2018, 8:57 PM Dominik Gresch <greschd at phys.ethz.ch
>     <mailto:greschd at phys.ethz.ch>> wrote:
>
>         Hi Rajdeep,
>
>         I think this issue might be due to an outdated version of the
>         'setuptools' package which does not recognize these
>         environment markers.
>
>         Can you try running
>
>         'pip install -U setuptools'
>
>         before installing Z2Pack?
>
>         Best regards,
>         Dominik
>
>         Am 14.04.2018 08:23 schrieb Rajdeep Banerjee
>         <rajdeep.jzs at gmail.com <mailto:rajdeep.jzs at gmail.com>>:
>
>             Hi,
>                I am trying to install Z2Pack 2.1.1 (from source file).
>             I am getting the following error:
>
>             Downloading/unpacking fsc.export (from z2pack==2.1.1)
>               Downloading fsc.export-1.1.0.tar.gz
>               Running setup.py
>             (path:/tmp/pip_build_rajdeep/fsc.export/setup.py) egg_info
>             for package fsc.export
>                 error in fsc.export setup command: Invalid environment
>             marker: python_version < "3"
>                 Complete output from command python setup.py egg_info:
>                 error in fsc.export setup command: Invalid environment
>             marker: python_version < "3"
>
>             ----------------------------------------
>             Cleaning up...
>             Command python setup.py egg_info failed with error code 1
>             in /tmp/pip_build_rajdeep/fsc.export
>             Storing debug log for failure in /tmp/tmp3bth1l3g
>
>
>             I thought it is due to python version but I have python
>             3.5 as shown below:
>
>
>             [rajdeep at anna: Z2Pack-master-2.1.x]:python
>             Python 3.5.3 (default, Apr 22 2017, 00:00:00)
>             [GCC 4.8.4] on linux
>             Type "help", "copyright", "credits" or "license" for more
>             information.
>             >>>
>
>             Please help. Thanks in advance!
>
>
>             best regards,
>             -- 
>             Rajdeep Banerjee
>             PhD student
>             JNCASR, Bangalore
>             India
>
>
>
>
>
> -- 
> Rajdeep Banerjee
> PhD student
> JNCASR, Bangalore
> India

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