def _adaptDictValue(d, k, v):
if admifaces.IAdminInterface.providedBy(k):
raise ValueError("IAdminInterface is not supported for dictonary keys")
a = adapt(v)
if defer.isDeferred(a):
return a.addCallback(_addDictValue, d, k)
d[k] = a
return d
def process(self):
try:
result = self._doProcessing()
if defer.isDeferred(result):
result.addCallbacks(defer.dropResult, self._targetFailed, callbackArgs=(self._targetDone,))
return result
else:
self._targetDone()
return defer.succeed(self)
except:
f = Failure()
self._targetFailed(f)
return defer.fail(f)
def adapt(value):
if value is None:
return None
if isinstance(value, (list, tuple)):
d = defer.succeed(list())
for v in value:
d.addCallback(_adaptListValue, v)
return d
if isinstance(value, dict):
d = defer.succeed(dict())
for k, v in value.items():
d.addCallback(_adaptDictValue, k, v)
return d
if defer.isDeferred(value):
return value.addCallback(adapt)
if admifaces.IAdminInterface.providedBy(value):
return mediums.IServerMedium(value)
return value
def _adaptListValue(l, v):
a = adapt(v)
if defer.isDeferred(a):
return a.addCallback(_appendListValue, l)
l.append(a)
return l
