[v7r2] Fix script global state for Python 3 again

src/DIRAC/Core/scripts/dirac_platform.py

@@ -26,23 +26,22 @@
 
 __RCSID__ = "$Id$"
 
-import sys
-import argparse
-
-parser = argparse.ArgumentParser(
-    description=__doc__,
-    formatter_class=argparse.RawDescriptionHelpFormatter)
-parser.parse_known_args()
 
 try:
   from DIRAC.Core.Utilities.Platform import getPlatformString
 except Exception:
+  import argparse
   import platform
   import os
   import sys
   import re
   import subprocess
 
+  parser = argparse.ArgumentParser(
+      description=__doc__,
+      formatter_class=argparse.RawDescriptionHelpFormatter)
+  parser.parse_known_args()
+
   # We need to patch python platform module. It does a string comparison for the libc versions.
   # it fails when going from 2.9 to 2.10,
   # the fix converts the version to a tuple and attempts a numeric comparison

src/DIRAC/Core/scripts/dirac_version.py

@@ -21,17 +21,18 @@
 
 import argparse
 
-parser = argparse.ArgumentParser(
-    description=__doc__,
-    formatter_class=argparse.RawDescriptionHelpFormatter)
-parser.parse_known_args()
-
 import DIRAC
 from DIRAC.Core.Utilities.DIRACScript import DIRACScript
 
 
 @DIRACScript()
 def main():
+  parser = argparse.ArgumentParser(
+      description=__doc__,
+      formatter_class=argparse.RawDescriptionHelpFormatter,
+  )
+  parser.parse_known_args()
+
   print(DIRAC.version)