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implement Object object_from_name

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Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
This commit is contained in:
Steven Armstrong 2011-10-14 09:05:51 +02:00
commit b122b53d73
1 changed files with 15 additions and 0 deletions
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15
lib/cdist/core/object.py
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@ -63,6 +63,21 @@ class Object(object):
if DOT_CDIST in dirs: if DOT_CDIST in dirs:
yield os.path.relpath(path, object_base_path) 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): def __init__(self, cdist_type, base_path, object_id=None):
self.type = cdist_type # instance of Type self.type = cdist_type # instance of Type
self.base_path = base_path self.base_path = base_path