def download(dataset, node, entityids, product='STANDARD', api_key=None):
"""
Though USGS supports multiple products in a single request, there's
ambiguity in the returned list. This wrapper only allows a single
product per request.
Additionally, the response has no indiction which URL is associated
with which scene/entity id. The URL can be parsed, but the structure
varies depending on the product.
"""
api_key = api_key if api_key else _get_api_key()
xml = soap.download(dataset, node, entityids, [product], api_key=api_key)
r = requests.post(USGS_API, xml)
root = ElementTree.fromstring(r.text)
_check_for_usgs_error(root)
items = root.findall("SOAP-ENV:Body/ns1:downloadResponse/return/item",
NAMESPACES)
data = map(lambda el: xsi.get(el), items)
return data
def test_download(self):
expected = """
<soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://earthexplorer.usgs.gov/inventory/soap">
<soapenv:Header/>
<soapenv:Body>
<soap:download soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<datasetName xsi:type="xsd:string">LANDSAT_8</datasetName>
<node xsi:type="xsd:string">EE</node>
<apiKey xsi:type="xsd:string">USERS API KEY</apiKey>
<entityIds xsi:type="soap:ArrayOfString">
<item xsi:type="xsd:string">LC80130292014100LGN00</item>
</entityIds>
<products xsi:type="soap:ArrayOfString">
<item xsi:type="xsd:string">STANDARD</item>
</products>
</soap:download>
</soapenv:Body>
</soapenv:Envelope>
"""
request = soap.download("LANDSAT_8",
"EE", ["LC80130292014100LGN00"], ["STANDARD"],
api_key="USERS API KEY")
request = minidom.parseString(request).toprettyxml()
assert compare_xml(request, expected)
def test_download(self):
expected = """
<soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://earthexplorer.usgs.gov/inventory/soap">
<soapenv:Header/>
<soapenv:Body>
<soap:download soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<datasetName xsi:type="xsd:string">LANDSAT_8</datasetName>
<node xsi:type="xsd:string">EE</node>
<apiKey xsi:type="xsd:string">USERS API KEY</apiKey>
<entityIds xsi:type="soap:ArrayOfString">
<item xsi:type="xsd:string">LC80130292014100LGN00</item>
</entityIds>
<products xsi:type="soap:ArrayOfString">
<item xsi:type="xsd:string">STANDARD</item>
</products>
</soap:download>
</soapenv:Body>
</soapenv:Envelope>
"""
request = soap.download("LANDSAT_8", "EE", ["LC80130292014100LGN00"], ["STANDARD"], api_key="USERS API KEY")
request = minidom.parseString(request).toprettyxml()
assert compare_xml(request, expected)
def download(dataset, node, entityids, product='STANDARD', api_key=None):
"""
Though USGS supports multiple products in a single request, there's
ambiguity in the returned list. This wrapper only allows a single
product per request.
Additionally, the response has no indiction which URL is associated
with which scene/entity id. The URL can be parsed, but the structure
varies depending on the product.
"""
api_key = api_key if api_key else _get_api_key()
xml = soap.download(dataset, node, entityids, [product], api_key=api_key)
r = requests.post(USGS_API, xml)
root = ElementTree.fromstring(r.text)
_check_for_usgs_error(root)
items = root.findall("SOAP-ENV:Body/ns1:downloadResponse/return/item", NAMESPACES)
data = map(lambda el: xsi.get(el), items)
return data
