def set_meta_text(obj, meta_type, text, metadata_type=INTENT_META_TYPE, timestamp=True):
if not isinstance(obj, XigtContainerMixin):
raise Exception("Attempt to add meta object on object ({}) that cannot contain meta".format(meta_type(obj)))
else:
m = find_meta(obj, meta_type, metadata_type=metadata_type)
if m is None:
m = Meta(type=meta_type, text=text)
set_meta(obj, m, metadata_type=metadata_type, timestamp=timestamp)
else:
m.text = text
timestamp_meta(m)
def set_meta_attr(obj, meta_type, attr, val, metadata_type=INTENT_META_TYPE, timestamp=True):
"""
Add an arbitrary piece of metadata to a XIGT object that accepts metadata
:param obj: XIGT object to add a piece of metadata to.
:meta_type obj: XigtContainerMixin
:param meta_type: Type of the Meta object to add
:param val: Text value for the meta object to be added.
:param metadata_type: Type for the metadata container in which to append the item.
:raise Exception: If ``obj`` is of a meta_type that does not contain metadata.
"""
if not isinstance(obj, XigtContainerMixin):
raise Exception('Attempt to add meta object on object ({}) that cannot contain meta'.format(obj))
else:
m = find_meta(obj, meta_type, metadata_type=metadata_type)
if m is None:
m = Meta(type=meta_type, attributes={attr:val})
set_meta(obj, m, metadata_type=metadata_type, timestamp=timestamp)
else:
m.attributes[attr] = val
timestamp_meta(m)
