def map_to_resource(self, data_element):
trv = DataElementTreeTraverser(data_element,
self,
direction=PROCESSING_DIRECTIONS.READ)
visitor = ResourceBuilderDataElementTreeVisitor()
trv.run(visitor)
return visitor.resource
def run(self, data_element):
trv = DataElementTreeTraverser(data_element, self._mapping,
direction=PROCESSING_DIRECTIONS.WRITE)
vst = JsonDataElementTreeVisitor()
trv.run(vst)
rpr_string = dumps(vst.json_data)
self._stream.write(rpr_string)
def run(self, data_element):
trv = DataElementTreeTraverser(data_element,
self._mapping,
direction=PROCESSING_DIRECTIONS.WRITE)
vst = JsonDataElementTreeVisitor()
trv.run(vst)
rpr_string = dumps(vst.json_data)
self._stream.write(rpr_string)
def run(self, data_element):
# We also emit None values to make sure every data row has the same
# number of fields.
trv = DataElementTreeTraverser(data_element, self._mapping,
ignore_none_values=False)
vst = CsvDataElementTreeVisitor(self.get_option('encoding'))
trv.run(vst)
csv_data = vst.csv_data
if len(csv_data) > 0:
wrt = writer(self._stream, dialect=self.get_option('dialect'))
wrt.writerow(csv_data.fields)
for row_data in csv_data.data:
wrt.writerow(row_data)
def run(self, data_element):
# We also emit None values to make sure every data row has the same
# number of fields.
trv = DataElementTreeTraverser(data_element,
self._mapping,
ignore_none_values=False)
vst = CsvDataElementTreeVisitor(self.get_option('encoding'))
trv.run(vst)
csv_data = vst.csv_data
if len(csv_data) > 0:
wrt = writer(self._stream, dialect=self.get_option('dialect'))
wrt.writerow(csv_data.fields)
for row_data in csv_data.data:
wrt.writerow(row_data)
def run(self, data_element):
trv = DataElementTreeTraverser(data_element, self._mapping)
vst = JsonDataElementTreeVisitor()
trv.run(vst)
rpr_string = dumps(vst.json_data)
self._stream.write(rpr_string)
def run(self, data_element):
trv = DataElementTreeTraverser(data_element, self._mapping)
vst = JsonDataElementTreeVisitor()
trv.run(vst)
rpr_string = dumps(vst.json_data)
self._stream.write(rpr_string)
def map_to_resource(self, data_element):
trv = DataElementTreeTraverser(data_element, self,
direction=PROCESSING_DIRECTIONS.READ)
visitor = ResourceBuilderDataElementTreeVisitor()
trv.run(visitor)
return visitor.resource
def test_mapping_invalid_dataelement_raises_error(self):
invalid_de = InvalidKindDataElement()
invalid_de.mapping = self.mapping # pylint: disable=W0201
also_provides(invalid_de, IDataElement)
trv = DataElementTreeTraverser(invalid_de, self.mapping.as_pruning())
self.assert_raises(ValueError, trv.run, None)
