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Top Forums Shell Programming and Scripting How to enable rh-python34 from bash shell script, default python is 2.6 version.? Post 303033168 by cplusplus1 on Sunday 31st of March 2019 07:34:26 PM
Old 03-31-2019
This is Hadoop cluster, master node. this was installed by admins, i am just a developer on hadoop. some of the scripts of ETL are developed on python which works with python 3.4 version uses xl based libraries.

i ran the commands you provided i see the following:
Code:
[rreddy@svrhdpm01 bin]$ /opt/rh/rh-python34/root/usr/bin/python --version
/opt/rh/rh-python34/root/usr/bin/python: error while loading shared libraries: libpython3.4m.so.rh-python34-1.0: cannot open shared object file: No such file or directory
[rreddy@svrhdpm01 bin]$ python2 --version
Python 2.6.6
[rreddy@svrhdpm01 bin]$ python3 --version
Python 3.6.3
[rreddy@svrhdpm01 bin]$

--- Post updated at 07:34 PM ---

I was reading some tips on net and found the following example, using or referencing a specifc version of python vai bash shell script: may be this logic can be used ,
in my shell script i call the following
, not sure how exactly i could use this example please:
python 'excel2csv.py' 'myvalue123' $PROCESS_DIR $TEMP_DIR $LOG_FILE

Example:
Code:
https://stackoverflow.com/questions/16631461/scl-enable-python27-bash

#!/bin/bash
cd /var/www/python/scripts/
source /opt/rh/python27/enable
python runAllUpserts.py >/dev/null 2>&1

 

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DH_PYSUPPORT(1) 						  python-support						   DH_PYSUPPORT(1)

NAME
dh_pysupport - use the python-support framework to handle Python modules SYNOPSIS
dh_pysupport [debhelper options] [-V X.Y] [-X item [...]] [-n] [module dirs ...] DESCRIPTION
dh_pysupport is a debhelper program that will scan your package, detect public modules in /usr/lib/pythonX.Y/site-packages, and move them to the shared Python modules location. It will generate appropriate postinst/prerm scripts to byte-compile modules installed there for all available python versions. It will also look for private Python modules and will byte-compile them with the current Python version. You may have to list the directories containing private Python modules. If a file named debian/pyversions exists, it is used to determine the python versions with which the package can work. Appropriate dependencies on python-support, python and pythonX.Y are put in ${python:Depends}. The ${python:Versions} and ${python:Provides} optional substitution variables are made available as well. OPTIONS
module dirs If your package installs private python modules in non-standard directories, you can make dh_pysupport check those directories by passing their names on the command line. By default, it will check /usr/lib/$PACKAGE, /usr/share/$PACKAGE, /usr/lib/games/$PACKAGE and /usr/share/games/$PACKAGE -n, --noscripts Do not modify postinst/postrm scripts. -d This option is deprecated. -V X.Y Force private modules to be bytecompiled with the specific X.Y python version, regardless of the default python version on the system. -X item, --exclude=item Exclude files that contain "item" anywhere in their filename from being taken into account to generate the python dependency. It also excludes them from byte-compilation. You may use this option multiple times to build up a list of things to exclude. CONFORMS TO
Python policy as of 2006-08-10 SEE ALSO
debhelper(7) This program is a part of python-support but is made to work with debhelper. AUTHORS
Josselin Mouette <joss@debian.org>, Raphael Hertzog <hertzog@debian.org> 1.0.15 2012-06-30 DH_PYSUPPORT(1)
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