def __call__(self, parser, args, values, options_string=None):
if exists(values):
xml_doc = ElementTree.parse(values)
xml_root = xml_doc.getroot()
datafields = xml_root.findall("datafield")
metadata = []
identifier = ""
title = "unknown"
description = "A Cultural Heritage Object from the University of Chicago Library"
for datafield in datafields:
new_field = MarcField(field=datafield.attrib["tag"].strip())
valid_subfields = [x.code for x in new_field.subfields]
real_subfields = datafield.findall("subfield")
for r_sf in real_subfields:
if new_field.field == '245' and r_sf.attrib['code'] == 'a':
title = r_sf.text
if new_field.label and "electronic location" in new_field.label.lower():
fragment = urlparse(r_sf.text).path
if fragment[0] == '/':
fragment = fragment[1:]
identifier += fragment
if r_sf.attrib["code"] in valid_subfields:
field_label = new_field.label
subfield_label = [x.label for x in new_field.subfields if x.code == r_sf.attrib["code"]]
if subfield_label[0].lower() in field_label.lower():
label = field_label
else:
label = field_label + " " + subfield_label[0]
new_mfield = IIIFMetadataField(label, r_sf.text)
metadata.append(new_mfield)
new_iiif_mdata_box = IIIFMetadataBoxFromMarc(title, description, identifier, metadata)
new_iiif = IIIFDataExtractionFromMarc(new_iiif_mdata_box)
setattr(args, self.dest, new_iiif.to_dict())
else:
raise ArgumentError(self, "value passed for record does not exist on disk")
def testBuildIIIFDataExtractionFromMarc(self):
"""a test to successfully build a new instance of IIIFDataExtractionFromMarc
"""
metadata_box = IIIFMetadataBoxFromMarc(
'a label', 'a description', '/foo/bar',
[IIIFMetadataField("a field", "a value")])
new_object = IIIFDataExtractionFromMarc(metadata_box)
self.assertEqual(new_object.show_title(), 'a label')
self.assertEqual(new_object.show_description(), 'a description')
def testChangeDescription(self):
"""a test to successfully change the description for the record from a pre-defined description
"""
test_object = IIIFDataExtractionFromMarc.from_dict(self.data)
test_object.change_description(
'A totally new description that is way better than the old description'
)
self.assertEqual(
test_object.show_description(),
'A totally new description that is way better than the old description'
)
def testRemoveMetadata(self):
"""a test to remove a particular metadata field
"""
test_object = IIIFDataExtractionFromMarc.from_dict(self.data)
test_object.remove_metadata({"Local Subject": "Test Subject"})
check = False
for n in test_object.show_metadata():
if n.get('value') == 'Local Subject':
check = True
break
self.assertEqual(check, False)
def testModifyingMetadata(self):
"""a test to modify a partricular metadata field with a new value
"""
test_object = IIIFDataExtractionFromMarc.from_dict(self.data)
test_object.modify_metadata({'Local Subject': "Test Subject"},
'A new subject')
check = False
for n in test_object.show_metadata():
if n.get('value') == 'A new subject':
check = True
break
self.assertEqual(check, True)
def testLoadFromDict(self):
"""a test to successfully load an instance of IIIDataExtractionFromMarc from a dictionary containing a MARC record
"""
test_object = IIIFDataExtractionFromMarc.from_dict(self.data)
self.assertEqual(test_object.show_title(), 'A Title of a CHO')
self.assertEqual(test_object.show_description(),
'1 online resource (1 map) : col.')
self.assertEqual(test_object.show_metadata(),
[{
'label': 'Local Subject',
'value': 'Test Subject'
}, {
'label': 'Electronic Location and Access',
'value': 'http://example.org/foo'
}])
def testChangeTitle(self):
"""a test to change the title of the IIIF record from original title to new title
"""
test_object = IIIFDataExtractionFromMarc.from_dict(self.data)
test_object.change_title('A brand new title')
self.assertEqual(test_object.show_title(), 'A brand new title')