| """ | |
| Get the collaction of all the metadata of the umbra open data collection | |
| """ | |
| import requests | |
| import urllib.parse | |
| import json | |
| import pystac | |
| def extract(out_path): | |
| base_url = 'https://s3.us-west-2.amazonaws.com/umbra-open-data-catalog/stac/' | |
| home = 'catalog.json' | |
| url = urllib.parse.urljoin(base_url, home) | |
| collection = {'type': 'FeatureCollection', 'features': []} | |
| catalog = pystac.Catalog.from_file(url) | |
| for idx, item in enumerate(catalog.get_all_items()): | |
| item = item.to_dict() | |
| item['assets']['metadata']['content'] = requests.get(item['assets']['metadata']['href']).json() | |
| collection['features'].append(item) | |
| with open(out_path, 'w') as f: | |
| json.dump(collection, f) |