From b122b53d7338d507a13ad70b2dda097b9c80342a Mon Sep 17 00:00:00 2001
From: Steven Armstrong <steven@icarus.ethz.ch>
Date: Fri, 14 Oct 2011 09:05:51 +0200
Subject: [PATCH] implement Object object_from_name
Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
---
lib/cdist/core/object.py | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/cdist/core/object.py b/lib/cdist/core/object.py
index a170dd30..282e8be5 100644
--- a/lib/cdist/core/object.py
+++ b/lib/cdist/core/object.py
@@ -63,6 +63,21 @@ class Object(object):
if DOT_CDIST in dirs:
yield os.path.relpath(path, object_base_path)
+ def object_from_name(self, object_name):
+ """Convenience method for creating an object instance from an object name.
+
+ Mainly intended to create objects when resolving requirements.
+
+ e.g:
+ <Object __foo/bar>.object_from_name('__other/object') -> <Object __other/object>
+
+ """
+ type_path = self.type.base_path
+ object_path = self.base_path
+ type_name = object_name.split(os.sep)[0]
+ object_id = os.sep.join(object_name.split(os.sep)[1:])
+ return self.__class__(self.type.__class__(type_path, type_name), object_path, object_id=object_id)
+
def __init__(self, cdist_type, base_path, object_id=None):
self.type = cdist_type # instance of Type
self.base_path = base_path