def get_remote_schema(url, typename, version='1.0.0'):
"""Copy the owslib.feature.schema.get_schema method to be able to
monkeypatch the openURL request in tests.
Parameters
----------
url : str
Base URL of the WFS service.
typename : str
Typename of the feature type to get the schema of.
version : str
Version of WFS to use. Defaults to 1.0.0
Returns
-------
dict
Schema of the given WFS layer.
"""
url = _get_describefeaturetype_url(url, version, typename)
res = __get_remote_describefeaturetype(url)
root = etree.fromstring(res)
if ':' in typename:
typename = typename.split(':')[1]
type_element = findall(root, '{%s}element' % XS_NAMESPACE,
attribute_name='name', attribute_value=typename)[0]
complex_type = type_element.attrib['type'].split(":")[1]
elements = _get_elements(complex_type, root)
nsmap = None
if hasattr(root, 'nsmap'):
nsmap = root.nsmap
return _construct_schema(elements, nsmap)
def get_namespace(wfs, layer):
"""Request the namespace associated with a layer by performing a
DescribeFeatureType request.
Parameters
----------
wfs : owslib.wfs.WebFeatureService
WFS service to use, associated with the layer.
layer : str
Workspace-qualified name of the layer to get the namespace of (
typename).
Returns
-------
namespace : str
URI of the namespace associated with the given layer.
"""
from owslib.feature.schema import _get_describefeaturetype_url
url = _get_describefeaturetype_url(url=wfs.url, version='1.1.0',
typename=layer)
schema = __get_remote_describefeaturetype(url)
tree = etree.fromstring(schema)
namespace = tree.attrib.get('targetNamespace', None)
return namespace
