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October 31, 2018 17:08
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| import os | |
| import sys | |
| import argparse | |
| from carto.auth import APIKeyAuthClient | |
| from carto.maps import NamedMapManager | |
| parser = argparse.ArgumentParser(description=( | |
| 'Example of CopySQLClient usage to stream data from NEXRAD Level 2' | |
| ' data to CARTO.' | |
| )) | |
| parser.add_argument('--base_url', type=str, dest='CARTO_BASE_URL', | |
| default=os.environ.get('CARTO_API_URL', ''), | |
| help=('Set the base URL. For example:' | |
| ' https://username.carto.com/' | |
| ' (defaults to env variable CARTO_API_URL)')) | |
| parser.add_argument('--api_key', dest='CARTO_API_KEY', | |
| default=os.environ.get('CARTO_API_KEY', ''), | |
| help=('Api key of the account' | |
| ' (defaults to env variable CARTO_API_KEY)')) | |
| parser.add_argument('--datasets', dest='DATASETS', | |
| default=os.environ.get('DATASETS', ''), | |
| help=('Name of the datasets to download' | |
| ' (defaults to None)')) | |
| args = parser.parse_args() | |
| if not args.CARTO_BASE_URL or not args.CARTO_API_KEY or not args.DATASETS: | |
| sys.exit(parser.print_usage()) | |
| auth_client = APIKeyAuthClient(args.CARTO_BASE_URL, args.CARTO_API_KEY) | |
| def create_named_map(dataset_name): | |
| template = { | |
| "version": "0.0.1", | |
| "name": 'tpl_' + dataset_name, | |
| "auth": { | |
| "method": "open" | |
| }, | |
| "placeholders": {}, | |
| "view": {}, | |
| "layergroup": { | |
| "version": "1.0.1", | |
| "layers": [ | |
| { | |
| "type": "plain", | |
| "options": { | |
| "color": "#ffffff" | |
| } | |
| }, | |
| { | |
| "type": "cartodb", | |
| "options": { | |
| "cartocss_version": "2.1.1", | |
| "cartocss": "#layer { polygon-fill: #000000; polygon-opacity: 0.9;} #layer::outline { line-width: 0.1; line-color: #000000; line-opacity: 1;}", | |
| "sql": "select * from buildings" | |
| } | |
| } | |
| ] | |
| } | |
| } | |
| named_map_manager = NamedMapManager(auth_client) | |
| try: | |
| named_map = named_map_manager.get('tpl_' + dataset_name) | |
| if named_map is not None: | |
| named_map.client = auth_client | |
| named_map.delete() | |
| except Exception as e: | |
| #ignore | |
| print(e) | |
| return named_map_manager.create(template=template) | |
| create_named_map('buildings') |
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