general: use python2 (sys.executable), not python (PEP 394)

Hopefully there is no major roadblock making this change unreasonable at
this point in time (checked commonly used RHEL, Fedora, Debian/Ubuntu
--  the latter also for seamless integration with Travis CI).

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/__main__.py b/__main__.py
index 05f2781..0afbd84 100644
--- a/__main__.py
+++ b/__main__.py
@@ -1,15 +1,16 @@
 # -*- coding: UTF-8 -*-
-# Copyright 2014 Red Hat, Inc.
+# Copyright 2015 Red Hat, Inc.
 # Part of clufter project
 # Licensed under GPLv2+ (a copy included | http://gnu.org/licenses/gpl-2.0.txt)
-"""Machinery entry point -- to be run via python -m <package>"""
+"""Machinery entry point -- to be run via python{,2} -m <package>"""
 __author__ = "Jan Pokorný <jpokorny @at@ Red Hat .dot. com>"
 
 from os.path import basename
-from sys import argv, exit
+from sys import argv, executable, exit
 
 from .main import run
 
 if basename(argv[0]) == '__main__.py':
-    argv[0] = 'python -m ' + __package__
+    # for help screens only, hence spaces allowed
+    argv[0] = "{0} -m {1}".format(executable, __package__)
 exit(run(argv))