obs/slapos: fix for python3.19 and update version of buildout

obs/slapos/prepare_download_cache.sh

@@ -28,7 +28,7 @@ mkdir -p $BUILD_DIRECTORY/{eggs,extends-cache,download-cache/dist,bootstrap-dir}
 cd $BUILD_DIRECTORY/bootstrap-dir
 
 # 1) you need a recent enough version of Nexedi buildout, you can do e.g.:
-# pip install http://www.nexedi.org/static/packages/source/slapos.buildout/zc.buildout-3.0.1%2Bslapos005.tar.gz
+# pip install http://www.nexedi.org/static/packages/source/slapos.buildout/zc.buildout-3.0.1%2Bslapos009.tar.gz
 
 # 2) compile very simple buildout with networkcache
 echo "Preparing networkcached zc.buildout"

obs/slapos/slapos-node/build_python3_if_needed.bash

@@ -13,7 +13,7 @@ fi
 build_dir=.build
 
 # TODO:how to get this from buildout ?
-python3_url=https://www.python.org/ftp/python/3.7.17/Python-3.7.17.tar.xz
+python3_url=https://www.python.org/ftp/python/3.9.20/Python-3.9.20.tar.xz
 
 
 md5sum=$(echo -n $python3_url | md5sum | cut -d ' ' -f 1)