def _transform_meta_key_value(self, minidom_meta_element):
"""Checks if the minidom_meta_element can be represented as a
key/value pair in a object.
Returns (key, value) ready for JSON serialization, OR
`None, None` if the element can not be treated as simple pair.
If `None` is returned, then more literal translation of the
object may be required.
"""
xt = minidom_meta_element.getAttribute('xsi:type')
if _LITERAL_META_PAT.match(xt):
return self._literal_transform_meta_key_value(minidom_meta_element)
elif _RESOURCE_META_PAT.match(xt):
return self._resource_transform_meta_key_value(minidom_meta_element)
else:
_LOG.debug('xsi:type attribute "%s" not LiteralMeta or ResourceMeta', xt)
return None, None
def _transform_meta_key_value(self, minidom_meta_element):
'''Checks if the minidom_meta_element can be represented as a
key/value pair in a object.
Returns (key, value) ready for JSON serialization, OR
`None, None` if the element can not be treated as simple pair.
If `None` is returned, then more literal translation of the
object may be required.
'''
xt = minidom_meta_element.getAttribute('xsi:type')
if _LITERAL_META_PAT.match(xt):
return self._literal_transform_meta_key_value(minidom_meta_element)
elif _RESOURCE_META_PAT.match(xt):
return self._resource_transform_meta_key_value(
minidom_meta_element)
else:
_LOG.debug(
'xsi:type attribute "%s" not LiteralMeta or ResourceMeta', xt)
return None, None
def _recursive_convert_dict(self, obj):
_cull_redundant_about(obj) # rule 10...
meta_list = _get_index_list_of_values(obj, 'meta')
to_inject = {}
for meta in meta_list:
xt = meta['@xsi:type']
if _RESOURCE_META_PAT.match(xt):
mk, mv = self._transform_resource_meta(meta)
else:
assert _LITERAL_META_PAT.match(xt)
mk, mv = self._transform_literal_meta(meta)
_add_value_to_dict_bf(to_inject, mk, mv)
if ('meta' in obj) and self.remove_old_structs:
del obj['meta']
for k, v in to_inject.items():
_add_value_to_dict_bf(obj, k, v)
for k, v in obj.items():
if isinstance(v, dict):
self._recursive_convert_dict(v)
elif isinstance(v, list):
self._recursive_convert_list(v)
def _recursive_convert_dict(self, obj):
_cull_redundant_about(obj) # rule 10...
meta_list = _get_index_list_of_values(obj, 'meta')
to_inject = {}
for meta in meta_list:
xt = meta['@xsi:type']
if _RESOURCE_META_PAT.match(xt):
mk, mv = self._transform_resource_meta(meta)
else:
assert _LITERAL_META_PAT.match(xt)
mk, mv = self._transform_literal_meta(meta)
_add_value_to_dict_bf(to_inject, mk, mv)
if ('meta' in obj) and self.remove_old_structs:
del obj['meta']
for k, v in to_inject.items():
_add_value_to_dict_bf(obj, k, v)
for k, v in obj.items():
if isinstance(v, dict):
self._recursive_convert_dict(v)
elif isinstance(v, list):
self._recursive_convert_list(v)