def hrefs_from_catalog(catalog: Catalog, N: int = None) -> Tuple[str, str]:
def find_label_collection(c):
return 'label' in str.lower(c.description)
catalog.make_all_asset_hrefs_absolute()
labels = next(filter(find_label_collection, catalog.get_children()))
label_items = list(labels.get_items())
label_hrefs = []
imagery_hrefs = []
for item in label_items:
try:
imagery = item.get_links('source')[0]
imagery.resolve_stac_object()
imagery_href = imagery.target.assets.get('cog').href
except:
imagery_href = None
label_href = pystac_workaround(item.assets.get('data').href)
label_hrefs.append(label_href)
if imagery_href.startswith('./'):
imagery_href = re.sub('^\.\/[0-9]+-', './', imagery_href)
imagery_href = imagery_href.replace('14060at01p00r17',
'140603t01p00r17')
imagery_hrefs.append(imagery_href)
if N is not None:
N = int(N)
label_hrefs = [label_hrefs[N]]
imagery_hrefs = [imagery_hrefs[N]]
return (label_hrefs, imagery_hrefs)
def hrefs_from_catalog(catalog: Catalog) -> Tuple[str, str]:
catalog.make_all_asset_hrefs_absolute()
catalog = next(catalog.get_children())
children = list(catalog.get_children())
imagery = next(filter(lambda child: \
"image" in str.lower(child.description), children))
imagery_item = next(imagery.get_items())
imagery_assets = list(imagery_item.assets.values())
imagery_href = pystac_workaround(imagery_assets[1].href)
labels = next(filter(lambda child: \
"label" in str.lower(child.description), children))
labels_item = next(labels.get_items())
labels_href = pystac_workaround(
next(iter(labels_item.assets.values())).href)
label_dict = labels_item.to_dict()
label_dict['properties']['class_id'] = None
aoi_geometries = [label_dict]
return (imagery_href, labels_href, aoi_geometries)
