Add check for python 3.0.0 or higher and exit with message.

Resolve bug 2445

1 files changed, 13 insertions, 0 deletions

diff --git a/src/script/scons.py b/src/script/scons.py
index 94ecccb2..fb4cf525 100644
--- a/src/script/scons.py
+++ b/src/script/scons.py
@@ -56,6 +56,19 @@ import sys
 # followed by generic) so we pick up the right version of the build
 # engine modules if they're in either directory.
 
+
+# Check to see if the python version is > 3.0 which is currently unsupported
+# If so exit with error message
+try:
+    if  sys.version_info >= (3,0,0):
+        msg = "scons: *** SCons version %s does not run under Python version %s.\n"
+        sys.stderr.write(msg % (__version__, sys.version.split()[0]))
+        sys.exit(1)
+except AttributeError:
+    # Pre-1.6 Python has no sys.version_info
+    # No need to check version as we then know the version is < 3.0.0 and supported
+    pass
+
 script_dir = sys.path[0]
 
 if script_dir in sys.path: