def extract_fields(self):
"""Extract the given fieldnames from the object
:returns: Schema name/value mapping
:rtype: dict
"""
# get the proper data manager for the object
dm = IDataManager(self.context)
# filter out ignored fields
fieldnames = filter(lambda name: name not in self.ignore, self.keys)
# schema mapping
out = dict()
for fieldname in fieldnames:
try:
# get the field value with the data manager
fieldvalue = dm.json_data(fieldname)
# https://github.com/collective/plone.jsonapi.routes/issues/52
# -> skip restricted fields
except Unauthorized:
logger.debug("Skipping restricted field '%s'" % fieldname)
continue
except ValueError:
logger.debug("Skipping invalid field '%s'" % fieldname)
continue
out[fieldname] = api.to_json_value(self.context, fieldname, fieldvalue)
return out