1 files changed, 77 insertions, 0 deletions
diff --git a/scripts/find_python.sh b/scripts/find_python.sh
new file mode 100755
index 00000000..12b173be
--- /dev/null
+++ b/scripts/find_python.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+set +e
+
+# function finds python2
+function find_python2 {
+
+    if [ -n "$PYTHON" ]; then #  
+        return;
+    fi
+
+    # try different Python paths
+    PYTHONS=( python /usr/bin/python /router/bin/python-2.7.4 )
+    for PYTHON in ${PYTHONS[*]}; do
+        $PYTHON -c "import sys; ver = sys.version_info[0] * 10 + sys.version_info[1];sys.exit(ver < 27)" > /dev/null 2>&1
+        if [ $? -eq 0 ]; then
+            return
+        fi
+    done;
+
+    echo "*** Python version is too old, 2.7 at least is required"
+    exit -1
+}
+
+# function finds python3
+function find_python3 {
+
+    if [ -n "$PYTHON3" ]; then 
+        PYTHON=$PYTHON3
+        return;
+    fi
+
+    # try different Python3 paths
+    PYTHONS=( python3 /usr/bin/python3 /auto/proj-pcube-b/apps/PL-b/tools/python3.4/bin/python3 )
+    for PYTHON in ${PYTHONS[*]}; do
+        $PYTHON -c "import sys; ver = sys.version_info[0] * 10 + sys.version_info[1];sys.exit(ver != 34 and ver != 35)" > /dev/null 2>&1
+        if [ $? -eq 0 ]; then
+            return
+        fi
+    done;
+
+    echo "*** Python3 version does not match, 3.4 or 3.5 is required"
+    exit -1
+}
+
+case "$1" in
+    "--python2") # we want python2
+        find_python2
+        ;;
+    "--python3") # we want python3
+        find_python3
+        ;;
+    *)
+        if [ -z "$PYTHON" ]; then # no python env. var
+            case $USER in
+                imarom|hhaim|ybrustin|ibarnea) # dev users, 70% python3 30% python2
+                    case $(($RANDOM % 10)) in
+                        [7-9])
+                            find_python2
+                            ;;
+                        *)
+                            find_python3
+                            ;;
+                    esac
+                    ;;
+                *) # default is find any
+                    (find_python2) &> /dev/null && find_python2 && return
+                    (find_python3) &> /dev/null && find_python3 && return
+                    echo "Python versions 2.7 or 3.4 or 3.5 required"
+                    exit -1
+                    ;;
+            esac
+        fi
+        ;;
+esac
+
+