Sync with genscripts rev 422, includes fixes to eclean and python additions for prefix

svn path=/trunk/gentoolkit/; revision=768

1 files changed, 34 insertions, 0 deletions

diff --git a/pym/gentoolkit/eprefix.py b/pym/gentoolkit/eprefix.py
new file mode 100644
index 0000000..9a04e4b
--- /dev/null
+++ b/pym/gentoolkit/eprefix.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+
+# Copyright 2003-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+
+#from __future__ import print_function
+
+"""Eprefix support module to set the EPREFIX variable
+used in all gentoolkit modules
+
+Example useage:  from gentoolkit.eprefix import EPREFIX
+then in code add it to the filepath eg.:  
+	exclude_file = "%s/etc/%s/%s.exclude" % (EPREFIX,__productname__ , action)
+
+"""
+
+import os
+
+
+EPREFIX = ''
+
+# the following code is used to set it when
+# non-installed code is being run
+if 'EPREFIX' in os.environ:
+	EPREFIX = os.environ['EPREFIX']
+else:
+	try:
+		import portage.const
+		EPREFIX = portage.BPREFIX
+	except AttributeError:
+		EPREFIX = ''
+
+#print("EPREFIX set to:", EPREFIX)