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Attribute defaults and optional accessors.

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This commit is contained in:
Michael DeHaan 2014-10-06 17:06:13 -04:00
commit d97b38ba83
4 changed files with 49 additions and 12 deletions
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18
v2/ansible/playbook/base.py
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@ -23,10 +23,11 @@ class Base(object):
# each class knows attributes set upon it, see Task.py for example
self._attributes = dict()
for name in self.__class__.__dict__:
for (name, value) in self.__class__.__dict__.iteritems():
aname = name[1:]
if isinstance(aname, Attribute) and not isinstance(aname, FieldAttribute):
self._attributes[aname] = None
if isinstance(value, Attribute):
self._attributes[aname] = value.default
def munge(self, ds):
''' infrequently used method to do some pre-processing of legacy terms '''
@ -94,9 +95,16 @@ class Base(object):
def __getattr__(self, needle):
# return any attribute names as if they were real.
# access them like obj.attrname()
# return any attribute names as if they were real
# optionally allowing masking by accessors
if not needle.startswith("_"):
method = "get_%s" % needle
if method in self.__dict__:
return method(self)
if needle in self._attributes:
return self._attributes[needle]
raise AttributeError("attribute not found: %s" % needle)