def _py_dict_to_cntk_dict(py_dict):
'''
Converts a Python dictionary into a CNTK Dictionary whose values are CNTK DictionaryValue instances.
Args:
py_dict (dict): a dictionary to be converted.
Returns:
:class:`cntk_py.Dictionary`
'''
res = cntk_py.Dictionary()
for k, v in py_dict.items():
if isinstance(v, dict):
res[k] = cntk_py.DictionaryValueFromDict(_py_dict_to_cntk_dict(v))
#TODO: add support to list of lists ?
elif isinstance(v, list):
l = list()
for e in v:
if isinstance(e, dict):
l.append(
cntk_py.DictionaryValueFromDict(
_py_dict_to_cntk_dict(e)))
else:
l.append(cntk_py.DictionaryValue(v))
res[k] = cntk_py.DictionaryValue(l)
else:
res[k] = cntk_py.DictionaryValue(v)
return res
def _get_checkpoint_state(self):
state = self.get_checkpoint_state()
d = cntk_py.Dictionary()
for key, val in state.items():
if not is_string(key):
raise ValueError('the keys of the checkpoint dictionary must '
'be strings. You gave "%s" of type %s' %
(key, type(key)))
dv = cntk_py.DictionaryValue(val)
d.add(key, dv)
return d