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Full Discussion: Python script called by a shell script
Top Forums Shell Programming and Scripting Python script called by a shell script Post 302785969 by DGPickett on Tuesday 26th of March 2013 03:21:15 PM
Old 03-26-2013
Executables, whether script or compiled, python or shell or whatever, all need execute permissions, scripts all need a $! first line and all should be accessed by $PATH not by definite paths, as described in man execvp(). Then, they are all peers and all run equally well, and the caller need not worry about what they were written in.

Python may want some environment setup that, if callers do not provide, you need to address. Having a simple shell test like if [ "$ZZPROFILED" =1 ] can tell you to run a profile and get things tuned up.
 

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LEARN ABOUT DEBIAN

dh_python

DH_PYTHON(1)							     Debhelper							      DH_PYTHON(1)

NAME

       dh_python - calculates Python dependencies and adds postinst and prerm Python scripts (deprecated)

SYNOPSIS

       dh_python [debhelperoptions] [-n] [-V version] [moduledirs...]

DESCRIPTION

       Note: This program is deprecated. You should use dh_python2 instead.  This program will do nothing if debian/pycompat or a Python-Version
       control file field exists.

       dh_python is a debhelper program that is responsible for generating the ${python:Depends} substitutions and adding them to substvars files.
       It will also add a postinst and a prerm script if required.

       The program will look at Python scripts and modules in your package, and will use this information to generate a dependency on python, with
       the current major version, or on pythonX.Y if your scripts or modules need a specific python version. The dependency will be substituted
       into your package's control file wherever you place the token ${python:Depends}.

       If some modules need to be byte-compiled at install time, appropriate postinst and prerm scripts will be generated. If already byte-
       compiled modules are found, they are removed.

       If you use this program, your package should build-depend on python.

OPTIONS

       module dirs
	   If your package installs Python modules in non-standard directories, you can make dh_python check those directories by passing their
	   names on the command line. By default, it will check /usr/lib/site-python, /usr/lib/$PACKAGE, /usr/share/$PACKAGE,
	   /usr/lib/games/$PACKAGE, /usr/share/games/$PACKAGE and /usr/lib/python?.?/site-packages.

	   Note: only /usr/lib/site-python, /usr/lib/python?.?/site-packages and the extra names on the command line are searched for binary (.so)
	   modules.

       -V version
	   If the .py files your package ships are meant to be used by a specific pythonX.Y version, you can use this option to specify the
	   desired version, such as 2.3. Do not use if you ship modules in /usr/lib/site-python.

       -n, --noscripts
	   Do not modify postinst/prerm scripts.

CONFORMS TO

       Debian policy, version 3.5.7

       Python policy, version 0.3.7

SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

       Josselin Mouette <joss@debian.org>

       most ideas stolen from Brendan O'Dea <bod@debian.org>

9.20120909							    2011-12-06							      DH_PYTHON(1)
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