def _update_keywords(self, **update_props):
""" Update operation for ISO type-specific Keywords metadata: Theme or Place """
tree_to_update = update_props['tree_to_update']
prop = update_props['prop']
values = update_props['values']
keywords = []
if prop in KEYWORD_PROPS:
xpath_root = self._data_map['_keywords_root']
xpath_map = self._data_structures[prop]
xtype = xpath_map['keyword_type']
xroot = xpath_map['keyword_root']
xpath = xpath_map['keyword']
ktype = KEYWORD_TYPES[prop]
# Remove descriptiveKeyword nodes according to type
for element in get_elements(tree_to_update, xpath_root):
if get_element_text(element, xtype).lower() == ktype.lower():
remove_element(tree_to_update, xpath_root)
element = insert_element(tree_to_update, 0, xpath_root)
insert_element(element, 0, xtype, ktype) # Add the type node
keywords.extend(update_property(element, xroot, xpath, prop, values))
return keywords
def _update_keywords(self, **update_props):
""" Update operation for ISO type-specific Keywords metadata: Theme or Place """
tree_to_update = update_props['tree_to_update']
prop = update_props['prop']
values = update_props['values']
keywords = []
if prop in [KEYWORDS_PLACE, KEYWORDS_THEME]:
xpath_root = self._data_map['_keywords_root']
xpath_map = self._data_structures[update_props['prop']]
xtype = xpath_map['keyword_type']
xroot = xpath_map['keyword_root']
xpath = xpath_map['keyword']
if prop == KEYWORDS_PLACE:
ktype = KEYWORD_TYPE_PLACE
elif prop == KEYWORDS_THEME:
ktype = KEYWORD_TYPE_THEME
# Remove descriptiveKeyword nodes according to type
for element in get_elements(tree_to_update, xpath_root):
if get_element_text(element, xtype).lower() == ktype.lower():
remove_element(tree_to_update, xpath_root)
element = insert_element(tree_to_update, 0, xpath_root)
insert_element(element, 0, xtype, ktype) # Add the type node
keywords.extend(update_property(element, xroot, xpath, prop, values))
return keywords
def _parse_keywords(self, prop):
""" Parse type-specific keywords from the metadata: Theme or Place """
keywords = []
if prop in KEYWORD_PROPS:
xpath_root = self._data_map['_keywords_root']
xpath_map = self._data_structures[prop]
xtype = xpath_map['keyword_type']
xpath = xpath_map['keyword']
ktype = KEYWORD_TYPES[prop]
for element in get_elements(self._xml_tree, xpath_root):
if get_element_text(element, xtype).lower() == ktype.lower():
keywords.extend(get_elements_text(element, xpath))
return keywords
def test_iso_parser(self):
""" Tests behavior unique to the ISO parser """
# Remove the attribute details href attribute
iso_element = get_remote_element(self.iso_file)
for citation_element in get_elements(iso_element, _iso_tag_formats["_attr_citation"]):
removed = remove_element_attributes(citation_element, "href")
# Assert that the href attribute was removed and a different one was read in
iso_parser = IsoParser(element_to_string(iso_element))
attribute_href = iso_parser._attr_details_file_url
self.assertIsNotNone(removed, "ISO file URL was not removed")
self.assertIsNotNone(attribute_href, "ISO href attribute was not read in")
self.assertNotEqual(attribute_href, removed, "ISO href attribute is the same as the one removed")
# Remove the attribute details linkage attribute
iso_element = get_remote_element(self.iso_file)
for linkage_element in get_elements(iso_element, _iso_tag_formats["_attr_contact_url"]):
removed = get_element_text(linkage_element)
clear_element(linkage_element)
# Assert that the linkage URL was removed and a different one was read in
iso_parser = IsoParser(element_to_string(iso_element))
linkage_url = iso_parser._attr_details_file_url
self.assertIsNotNone(removed, "ISO linkage URL was not removed")
self.assertIsNotNone(linkage_url, "ISO linkage URL was not read in")
self.assertNotEqual(linkage_url, removed, "ISO file URL is the same as the one removed")
# Change the href attribute so that it is invalid
for citation_element in get_elements(iso_element, _iso_tag_formats["_attr_citation"]):
removed = set_element_attributes(citation_element, href="neither url nor file")
# Assert that the href attribute was removed and a different one was read in
iso_parser = IsoParser(element_to_string(iso_element))
attributes = iso_parser.attributes
self.assertIsNone(iso_parser._attr_details_file_url, "Invalid URL stored with parser")
self.assertEqual(
attributes, TEST_METADATA_VALUES[ATTRIBUTES], "Invalid parsed attributes: {0}".format(attributes)
)
def _parse_keywords(self, prop):
""" Parse type-specific keywords from the metadata: Theme or Place """
keywords = []
if prop in [KEYWORDS_PLACE, KEYWORDS_THEME]:
xpath_root = self._data_map['_keywords_root']
xpath_map = self._data_structures[prop]
xtype = xpath_map['keyword_type']
xpath = xpath_map['keyword']
if prop == KEYWORDS_PLACE:
ktype = KEYWORD_TYPE_PLACE
elif prop == KEYWORDS_THEME:
ktype = KEYWORD_TYPE_THEME
for element in get_elements(self._xml_tree, xpath_root):
if get_element_text(element, xtype).lower() == ktype.lower():
keywords.extend(get_elements_text(element, xpath))
return keywords
