sentinels.py

import sys
import requests
from requests.auth import HTTPBasicAuth


def go(username, password):
    """
    Example of programmatically accessing Sentinel data.

    :param username:
        Username for ESA's Sentinels Scientific Data Hub
        
    :param password:
        Corresponding password
    
    Reference: https://scihub.esa.int/twiki/do/view/SciHubUserGuide/BatchScripting
    """
    
    # Example for a data product with a UUID of 700893d3-3c87-4984-8533-52bc5b956ea8
    # corresponding to S1A_EW_GRDM_1SDH_20150828T152957_20150828T153057_007465_00A4AC_C89B
    
    uuid = '700893d3-3c87-4984-8533-52bc5b956ea8'
    uri = "https://scihub.esa.int/dhus/odata/v1/Products('%s')/$value" % uuid
    
    r = requests.get(uri, auth=HTTPBasicAuth(username, password), stream=True)
    with open('%s.zip' % uuid, 'wb') as dst:
        
        for chunk in r.iter_content(chunk_size=1024):
            if chunk:
                dst.write(chunk)
                dst.flush()


if __name__ == '__main__':
    
    if len(sys.argv) != 3:
        exit()
    
    go(*sys.argv[1:])