Add more detail to %help section, simplify and correct %labels and %test section

python_3.9.def

@@ -2,12 +2,20 @@ Bootstrap: docker
 From: centos:8
 
 %help 
-# in progress
 This is a singularity container packing a python 3.9.6 (only version) environment with all the packages necessary to execute all the python scripts present in the version 2.10.0 of the gad pipeline.
 Python v3.9.6 is the latest available version in CentOS v8.5.211 used for this build.
 Authors : valentin.vautrot@u-bourgogne.fr
+
 python3.9.6 is installed in /usr/bin/python3.9/
+
 non-default python3.9.6 libs are installed in /usr/lib/python3.9/site-packages/
+pip-installed packages can be called with :
+singularity exec -e /path/to/this/sif/image python3 -m pip list installed
+or
+singularity test /path/to/this/sif/image
+
+Other custom GAD packages include GeneralTools, LabkeyTools, InterTools, VcfTools, CnvTools from v2.10.0 of the gadpipeline, modified to work with python3.9
+(= from the 2.11.0_python3 branch)
 
 %setup
 SINGULARITY_ROOTFS=$APPTAINER_ROOTFS
@@ -57,14 +65,13 @@ pip3.9 install --upgrade -t /usr/lib/python3.9/site-packages/ simplejson
 rmdir /data/
 
 %test
-printf "\n\ntest phase ################\n\n"
 echo "python version :"
 python3 -V
 echo "listing installed pip packages :" 
 python3 -m pip list 
 
 %labels 
-container v0.1
-Creation date : 2023-09-13
-Contained OS version : CentOS 8.5.211
-Contained python version : 3.9.6
\ No newline at end of file
+container_version v0.1
+Creation date 2023-09-13
+Contained_OS_version CentOS 8.5.211
+Contained_python_version 3.9.6
\ No newline at end of file