Enforce python 2.6 or later.

TBR=bevc@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/9178027

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@123276 0039d316-1c4b-4281-b951-d872f2087c98

gcl.py

@@ -1400,9 +1400,11 @@ def CMDhelp(args):
 
 
 def main(argv):
-  if sys.hexversion < 0x02050000:
+  if sys.hexversion < 0x02060000:
     print >> sys.stderr, (
-        '\nYour python version is unsupported, please upgrade.\n')
+        '\nYour python version %s is unsupported, please upgrade.\n' %
+        sys.version.split(' ', 1)[0])
+    return 2
   if not argv:
     argv = ['help']
   command = Command(argv[0])

gclient.py

@@ -49,7 +49,7 @@ Hooks
     ]
 """
 
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 
 import copy
 import logging
@@ -1504,9 +1504,11 @@ def Parser():
 def Main(argv):
   """Doesn't parse the arguments here, just find the right subcommand to
   execute."""
-  if sys.hexversion < 0x02050000:
+  if sys.hexversion < 0x02060000:
     print >> sys.stderr, (
-        '\nYour python version is unsupported, please upgrade.\n')
+        '\nYour python version %s is unsupported, please upgrade.\n' %
+        sys.version.split(' ', 1)[0])
+    return 2
   colorama.init()
   try:
     # Make stdout auto-flush so buildbot doesn't kill us during lengthy

git_cl.py

@@ -1449,6 +1449,11 @@ def GenUsage(parser, command):
 def main(argv):
   """Doesn't parse the arguments here, just find the right subcommand to
   execute."""
+  if sys.hexversion < 0x02060000:
+    print >> sys.stderr, (
+        '\nYour python version %s is unsupported, please upgrade.\n' %
+        sys.version.split(' ', 1)[0])
+    return 2
   # Reload settings.
   global settings
   settings = Settings()