adds py2-pippkgs to manage pip based python packages

cmssw-tool-conf.spec

@@ -172,7 +172,7 @@ Requires: md5-toolfile
 Requires: py2-setuptools-toolfile
 Requires: madgraph5amcatnlo-toolfile
 Requires: histogrammar-toolfile
-Requires: py2-rootpy-toolfile
+Requires: py2-pippkgs-toolfile
 #still a work in progress Requires: py2-notebook
 
 # Only for Linux platform.

py2-pippkgs-toolfile.spec

@@ -0,0 +1,22 @@
+### RPM external py2-pippkgs-toolfile 1.0
+Requires: py2-pippkgs
+BuildRequires: python
+%prep
+
+%build
+
+%install
+
+mkdir -p %{i}/etc/scram.d
+cat << \EOF_TOOLFILE >%{i}/etc/scram.d/py2-pippkgs.xml
+<tool name="py2-pippkgs" version="@TOOL_VERSION@">
+  <client>
+    <environment name="PY2_PIPPKGS" default="@TOOL_ROOT@"/>
+  </client>
+  <runtime name="PYTHONPATH" value="$PY2_PIPPKGS/@PYTHON_LIB_SITE_PACKAGES@" type="path"/>
+</tool>
+EOF_TOOLFILE
+
+export PYTHON_LIB_SITE_PACKAGES
+
+## IMPORT scram-tools-post

py2-pippkgs.spec

@@ -0,0 +1,29 @@
+### RPM external py2-pippkgs 1.0
+## INITENV +PATH PYTHONPATH %{i}/$PYTHON_LIB_SITE_PACKAGES
+Source: none
+
+BuildRequires: py2-rootpy
+BuildRequires: py2-configparser 
+BuildRequires: py2-entrypoints
+
+%prep
+
+%build
+
+%install
+mkdir -p %{i}/$PYTHON_LIB_SITE_PACKAGES
+for pkg in %builddirectpkgreqs ; do
+  SOURCE=%{cmsroot}/%{cmsplatf}/${pkg}/$PYTHON_LIB_SITE_PACKAGES
+  if [ -d $SOURCE ] ; then
+    echo "Checking for duplicates ...."
+    for f in $(ls $SOURCE) ; do
+      if [ -e %{i}/$PYTHON_LIB_SITE_PACKAGES/$f ] ; then
+        echo "  Duplicate file found: $f"
+        exit 1
+      fi
+    done
+    echo "Copying $SOURCE in %{pkgrel}"
+    rsync -av $SOURCE/ %{i}/$PYTHON_LIB_SITE_PACKAGES/
+  fi
+done
+