From b3201048cd9712325082d9c9d8db28e9636c39a6 Mon Sep 17 00:00:00 2001
From: Andreas Hasenack <andreas@mandriva.com>
Date: Fri, 18 Aug 2006 22:07:45 +0000
Subject: - ups, forgot get_helper

---
 RepSys/util.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/RepSys/util.py b/RepSys/util.py
index 766d3c1..5612029 100644
--- a/RepSys/util.py
+++ b/RepSys/util.py
@@ -51,4 +51,18 @@ def get_auth(username=None, password=None):
         config.set("auth", "password", password)
     return username, password
 
+def get_helper(name):
+    """Tries to find the path of a helper script
+
+    It first looks if the helper has been explicitly defined in
+    configuration, if not, falls back to the default helper path, which can
+    also be defined in configuration file(s).
+    """
+    helperdir = config.get("helper", "prefix", "/usr/share/repsys")
+    hpath = config.get("helper", name, None) or \
+        os.path.join(helperdir, name)
+    if not os.path.isfile(hpath):
+        log.warn("providing unexistent helper: %s", hpath)
+    return hpath
+
 # vim:et:ts=4:sw=4
-- 
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