[Scons-users] "pip install scons" result in a broken installation that is unusable
Bill Deegan
bill at baddogconsulting.com
Tue Oct 16 08:49:05 EDT 2018
great news!
Hopefully this resolves the list of pip related issues on github as well.
-Bill
On Tue, Oct 16, 2018 at 1:29 AM Fux Samuel (ID SIS) <samuel.fux at id.ethz.ch>
wrote:
> Using pip install works with the new version.
>
>
> [sfux at lo-login-01 ~]$ pip install --index-url
> https://test.pypi.org/simple/ scons==3.1.0.alpha.20181015
> Looking in indexes: https://test.pypi.org/simple/
> Collecting scons==3.1.0.alpha.20181015
> Downloading
> https://test-files.pythonhosted.org/packages/3f/7b/0635e82416fdc9758dfd6d4361afe79166319c828d8667cb6b193ed0ecdd/scons-3.1.0.alpha.20181015.tar.gz
> (643kB)
> 100% |████████████████████████████████| 645kB 3.2MB/s
> Building wheels for collected packages: scons
> Running setup.py bdist_wheel for scons ... done
> Stored in directory:
> /cluster/home/sfux/.cache/pip/wheels/7c/6d/e3/a1711c22f334c8605c2ef90ac4caebee2cfa053ae2800d72f0
> Successfully built scons
> Installing collected packages: scons
> Successfully installed scons-3.1.0a20181015
> [sfux at lo-login-01 ~]$ scons
>
> scons: *** No SConstruct file found.
> File
> "/cluster/apps/python/2.7.14/lib64/python2.7/site-packages/scons/SCons/Script/Main.py",
> line 925, in _main
> [sfux at lo-login-01 ~]$
>
> --
> ETH Zurich, Dr. sc. ETH Samuel Fux
> High Performance Computing, Scientific IT Services
> WEC D 13, Weinbergstrasse 11, 8092 Zurich, Switzerland
> Phone +41 44 632 57 63, http://www.id.ethz.ch/
> samuel.fux at id.ethz.ch
> ------------------------------
> *Von:* Scons-users [scons-users-bounces at scons.org]" im Auftrag von "Bill
> Deegan [bill at baddogconsulting.com]
> *Gesendet:* Montag, 15. Oktober 2018 15:56
> *An:* SCons users mailing list
> *Betreff:* Re: [Scons-users] "pip install scons" result in a broken
> installation that is unusable
>
> Please try:
>
> *pip install --index-url https://test.pypi.org/simple/
> <https://test.pypi.org/simple/> scons==3.1.0.alpha.20181015*
>
>
> On Mon, Oct 15, 2018 at 5:03 AM Fux Samuel (ID SIS) <samuel.fux at id.ethz.ch>
> wrote:
>
>> @Bill: Thank you for your reply.
>>
>> Wheel is installed, but still the problem persists:
>>
>> [sfux at lo-login-02 ~]$ *pip uninstall scons*
>> Skipping scons as it is not installed.
>> [sfux at lo-login-02 ~]$ *ls
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/scons**
>> ls: cannot access
>> '/cluster/apps/python/2.7.14/lib64/python2.7/site-packages/scons*': No such
>> file or directory
>> [sfux at lo-login-02 ~]$ *pip install --index-url
>> https://test.pypi.org/simple/ <https://test.pypi.org/simple/>
>> scons==3.1.0.alpha.20181011*
>> Looking in indexes: https://test.pypi.org/simple/
>> Collecting scons==3.1.0.alpha.20181011
>> Installing collected packages: scons
>> Successfully installed scons-3.1.0a20181011
>> [sfux at lo-login-02 ~]$ *which scons*
>> /cluster/apps/python/2.7.14/bin/scons
>> [sfux at lo-login-02 ~]$ *scons*
>> SCons import failed. Unable to find engine files in:
>> /cluster/apps/python/2.7.14/bin/../engine
>> /cluster/apps/python/2.7.14/bin/scons-local-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/bin/scons-local
>>
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/lib/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib/scons-3.1.0.alpha.20181011
>>
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>>
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>>
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib64/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/lib/scons
>> /cluster/apps/python/2.7.14/lib/scons
>> /cluster/apps/python/2.7.14/lib/scons
>>
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/lib/python2.7/site-packages/scons
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons
>> /cluster/apps/python/2.7.14/lib64/scons
>> Traceback (most recent call last):
>> File "/cluster/apps/python/2.7.14/bin/scons", line 192, in <module>
>> import SCons.Script
>> ImportError: No module named SCons.Script
>> [sfux at lo-login-02 ~]$
>>
>> To avoid problems with the non-system installation of Python
>> (/cluster/apps/python vs. /usr/bin/python, I have tried to install the
>> package in my home directory (using pip install --user) but still, the
>> problem persists:
>>
>> [sfux at lo-login-02 ~]$ *pip uninstall scons*
>> Skipping scons as it is not installed.
>> [sfux at lo-login-02 ~]$ *ls
>> /cluster/apps/python/2.7.14/lib64/python2.7/site-packages/scons**
>> ls: cannot access
>> '/cluster/apps/python/2.7.14/lib64/python2.7/site-packages/scons*': No such
>> file or directory
>> [sfux at lo-login-02 ~]$ *ls
>> $HOME/.local/lib64/python2.7/site-packages/scons**
>> ls: cannot access
>> '/cluster/home/sfux/.local/lib64/python2.7/site-packages/scons*': No such
>> file or directory
>> [sfux at lo-login-02 ~]$ *pip install --user --index-url
>> https://test.pypi.org/simple/ <https://test.pypi.org/simple/>
>> scons==3.1.0.alpha.20181011*
>> Looking in indexes: https://test.pypi.org/simple/
>> Collecting scons==3.1.0.alpha.20181011
>> Installing collected packages: scons
>> Successfully installed scons-3.1.0a20181011
>> [sfux at lo-login-02 ~]$* which scons*
>> ~/.local/bin/scons
>> [sfux at lo-login-02 ~]$ *scons*
>> SCons import failed. Unable to find engine files in:
>> /cluster/home/sfux/.local/bin/../engine
>> /cluster/home/sfux/.local/bin/scons-local-3.1.0.alpha.20181011
>> /cluster/home/sfux/.local/bin/scons-local
>>
>> /cluster/home/sfux/.local/lib64/python2.7/site-packages/lib/scons-3.1.0.alpha.20181011
>> /cluster/home/sfux/.local/lib/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib/scons-3.1.0.alpha.20181011
>>
>> /cluster/home/sfux/.local/lib64/python2.7/site-packages/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>>
>> /cluster/home/sfux/.local/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>>
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons-3.1.0.alpha.20181011
>> /cluster/apps/python/2.7.14/lib64/scons-3.1.0.alpha.20181011
>> /cluster/home/sfux/.local/lib64/python2.7/site-packages/lib/scons
>> /cluster/home/sfux/.local/lib/scons
>> /cluster/apps/python/2.7.14/lib/scons
>>
>> /cluster/home/sfux/.local/lib64/python2.7/site-packages/lib/python2.7/site-packages/scons
>> /cluster/home/sfux/.local/lib/python2.7/site-packages/scons
>> /cluster/apps/python/2.7.14/lib/python2.7/site-packages/scons
>> /cluster/apps/python/2.7.14/lib64/scons
>> Traceback (most recent call last):
>> File "/cluster/home/sfux/.local/bin/scons", line 192, in <module>
>> import SCons.Script
>> ImportError: No module named SCons.Script
>> [sfux at lo-login-02 ~]$
>>
>> Best regards
>>
>> Sam
>>
>> --
>> ETH Zurich, Dr. sc. ETH Samuel Fux
>> High Performance Computing, Scientific IT Services
>> WEC D 13, Weinbergstrasse 11, 8092 Zurich, Switzerland
>> Phone +41 44 632 57 63, http://www.id.ethz.ch/
>> samuel.fux at id.ethz.ch
>>
>> ________________________________________
>> Von: Scons-users [scons-users-bounces at scons.org]" im Auftrag von
>> "Mats Wichmann [mats at wichmann.us]
>> Gesendet: Freitag, 12. Oktober 2018 16:41
>> An: scons-users at scons.org
>> Betreff: Re: [Scons-users] "pip install scons" result in a broken
>> installation that is unusable
>>
>> On 10/11/2018 11:33 PM, Fux Samuel (ID SIS) wrote:
>>
>> > Not using virtualenv is a personal preference, like not using Anaconda
>> to install Python itself or like preferring pip over distutils. I don't
>> like the additional step of activating the virtualenv because I would like
>> to keep things as simple as possible for our cluster users.
>> >
>> > If virtualenv is a hard requirement for using SCons, then this should
>> be added to the Readme.md file on github. Currently the Readme.md file
>> states with regards to dependencies:
>>
>> No, it's not a hard requirement.
>>
>> It's a bit risky to "pip install" packages into an environment that is
>> elsewise managed. To be less abstract, if most of your python comes
>> from Linux distribution packages, then your package manager (dpkg, rpm,
>> etc.) thinks it has control over those directories, and making changes
>> outside of the package manager (pip install) leaves you in a "bets are
>> off" state - something might change out underneath you as packages are
>> upgraded/added/removed. So for this scenario, the suggestion is to use
>> a virtualenv for working with additional things which _you_ want to be
>> in control of, OR to tell pip to do a "user install", which puts the
>> installed materials somewhere in a user's home directory rather than
>> system locations (this would not make sense for you as you're trying to
>> manage a shared installation). And if you are managing the Python
>> installation yourself, the chance of conflicts is less, or at least, you
>> can be in charge of them.
>>
>>
>>
>>
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