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introduce MissingObjectIdError

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Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
This commit is contained in:
Nico Schottelius 2013-02-05 22:50:22 +01:00
commit cb829ec8d0
1 changed files with 15 additions and 3 deletions
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18
cdist/core/cdist_object.py
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@ -1,7 +1,7 @@
# -*- coding: utf-8 -*-
#
# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
# 2011-2012 Nico Schottelius (nico-cdist at schottelius.org)
# 2011-2013 Nico Schottelius (nico-cdist at schottelius.org)
#
# This file is part of cdist.
#
@ -42,6 +42,14 @@ class IllegalObjectIdError(cdist.Error):
def __str__(self):
return '%s: %s' % (self.message, self.object_id)
class MissingObjectIdError(cdist.Error):
def __init__(self, type_name):
self.type_name = type_name
self.message = "Type %s requires object id (is not a singleton type)" % self.type_name
def __str__(self):
return '%s' % (self.message)
class CdistObject(object):
"""Represents a cdist object.
@ -125,8 +133,12 @@ class CdistObject(object):
# If no object_id and type is not singleton => error out
if not self.object_id and not self.cdist_type.is_singleton:
raise IllegalObjectIdError(self.object_id,
"Missing object_id and type is not a singleton.")
raise MissingObjectIdError(self.cdist_type.name)
# Does not work: AttributeError: 'CdistObject' object has no attribute 'parameter_path'
#"Type %s is not a singleton type - missing object id (parameters: %s)" %
# (self.cdist_type.name, self.parameters))
def object_from_name(self, object_name):
"""Convenience method for creating an object instance from an object name.