def get_coverages(self):
cov_elems = get_elements("ContentMetadata/CoverageOffering", self.root,
namespace=self.xmlns)
coverages = []
for cov_elem in cov_elems:
name = get_elements_text("name", cov_elem, single_elem=True,
namespace=self.xmlns)
label = get_elements_text("label", cov_elem, single_elem=True,
namespace=self.xmlns)
bbox = self._get_bbox(cov_elem, namespace=self.xmlns)
coverages.append(Coverage(name=name, label=label, bbox=bbox))
return CoverageList(coverages)
def _get_bbox(self, root, namespace=None):
"""
Extact the bounding spatial values and return in a list.
returns:
list
"""
bbox_lower = get_elements_text("boundedBy/Envelope/lowerCorner",
root, single_elem=True,
namespace=namespace)
bbox_upper = get_elements_text("boundedBy/Envelope/upperCorner",
root, single_elem=True,
namespace=namespace)
return self._bbox_as_list(bbox_lower, bbox_upper)
def _get_values(self, root, namespace=None):
"""
Values are given under the element path "values/singleValue". Given a root
element, extract all values and return in list.
Args:
* root: xml.etree.ElementTree.Element
The element inside which the values are nested.
Kwargs:
* single_elem: boolean
If True, this raises an error if more than one element is found. It
also changes the return type to a single value (instead of list).
* namespace: string or None
The xml namespace for the value element.
returns:
list of strings or string (if single_elem=True)
"""
return get_elements_text("values/singleValue", root,
namespace=namespace)
def _get_axis_describer_values(self, name, root, namespace=None):
"""
Get all elements that come under the AxisDescription element;
e.g. initialisation, forecast time, elevation.
Args:
* name: string
The name of the axis describer.
* root: xml.etree.ElementTree.Element
The element inside which the values are nested.
Kwargs:
* namespace: string or None
The xml namespace for the AxisDescription element.
"""
axis_elems = get_elements("rangeSet/RangeSet/axisDescription/"\
"AxisDescription",
root, namespace=namespace)
for axis_elem in axis_elems:
elem_name = get_elements_text("name", root=axis_elem,
single_elem=True,
namespace=namespace)
if elem_name == name:
return self._get_values(axis_elem, namespace=namespace)
return []
def get_coverages(self):
cov_ids_elem = get_elements("coverageIdList", self.root,
single_elem=True,
namespace=self.metocean)
cov_ids = get_elements_text("CoverageSummary/CoverageId", cov_ids_elem,
namespace=self.wcs)
return CoverageList([Coverage(cov_id) for cov_id in cov_ids])
def _get_reference_times(self, root):
ref_time_elem = get_elements("referenceTimeList/ReferenceTime",
root,
single_elem=True,
namespace=self.metocean)
return get_elements_text("timePosition",
ref_time_elem,
namespace=self.gml)
def get_coverage_ids(self):
contents_elem = get_elements("Contents",
self.root,
single_elem=True,
namespace=self.wcs)
return get_elements_text("CoverageSummary/CoverageId",
contents_elem,
namespace=self.wcs)
def _get_bbox(self, root, namespace=None):
"""
Extact the bounding spatial values and return in a list.
returns:
list
"""
bbox_lower = get_elements_text("boundedBy/Envelope/lowerCorner",
root,
single_elem=True,
namespace=namespace)
bbox_upper = get_elements_text("boundedBy/Envelope/upperCorner",
root,
single_elem=True,
namespace=namespace)
return self._bbox_as_list(bbox_lower, bbox_upper)
def get_ref_time(self):
ref_time_elem = get_elements("referenceTime",
self.root,
single_elem=True,
namespace=self.metocean)
return get_elements_text("TimeInstant/timePosition",
ref_time_elem,
namespace=self.gml)
def get_coverages(self):
cov_ids_elem = get_elements("coverageIdList",
self.root,
single_elem=True,
namespace=self.metocean)
cov_ids = get_elements_text("CoverageSummary/CoverageId",
cov_ids_elem,
namespace=self.wcs)
return CoverageList([Coverage(cov_id) for cov_id in cov_ids])
def test_single_elem(self):
# If single_elem true, a single string (not a list) should be
# returned.
found_text = xml_reader.get_elements_text("elemTwo/name", xml_simple_root,
single_elem=True)
self.assertEqual(found_text, "Element 2")
# An error should be raised if more than one are found.
self.assertRaises(UserWarning, xml_reader.get_elements_text,
"elemTwo/values/singleValue", xml_simple_root,
single_elem=True)
def get_ref_time(self):
extension_elem = get_elements("metadata/Extension", self.root,
single_elem=True, namespace=self.gmlcov)
source_obs_elem = get_elements("extensionProperty/"\
"MetOceanCoverageMetadata/"\
"sourceObservationProperty/"\
"SourceObservation", extension_elem,
single_elem=True,
namespace=self.metocean)
value_elem = get_elements("parameter/NamedValue/value",
source_obs_elem, single_elem=True,
namespace=self.om)
return get_elements_text("TimeInstant/timePosition", value_elem,
single_elem=True, namespace=self.gml)
def get_ref_time(self):
extension_elem = get_elements("metadata/Extension",
self.root,
single_elem=True,
namespace=self.gmlcov)
source_obs_elem = get_elements("extensionProperty/"\
"MetOceanCoverageMetadata/"\
"sourceObservationProperty/"\
"SourceObservation", extension_elem,
single_elem=True,
namespace=self.metocean)
value_elem = get_elements("parameter/NamedValue/value",
source_obs_elem,
single_elem=True,
namespace=self.om)
return get_elements_text("TimeInstant/timePosition",
value_elem,
single_elem=True,
namespace=self.gml)
def get_label(self):
return get_elements_text("label", self.root, single_elem=True,
namespace=self.xmlns)
def get_name(self):
return get_elements_text("name", self.root, single_elem=True,
namespace=self.xmlns)
def get_coverage_ids(self):
contents_elem = get_elements("Contents", self.root, single_elem=True,
namespace=self.wcs)
return get_elements_text("CoverageSummary/CoverageId", contents_elem,
namespace=self.wcs)
def _get_collection_id(self, col_elem):
return get_elements_text("coverageCollectionId", col_elem,
single_elem=True,
namespace=self.metocean)
def get_coverage_name(self):
return get_elements_text("CoverageId", self.root, single_elem=True,
namespace=self.wcs)
def get_coverage_name(self):
return get_elements_text("CoverageId",
self.root,
single_elem=True,
namespace=self.wcs)
def get_collection_id(self):
return get_elements_text("coverageCollectionId", self.root,
single_elem=True, namespace=self.metocean)
def get_CRSs(self):
return get_elements_text("supportedCRSs/requestCRSs", self.root,
namespace=self.xmlns)
def get_interpolations(self):
return get_elements_text("supportedInterpolations/interpolationMethod",
self.root, namespace=self.xmlns)
def _get_collection_id(self, col_elem):
return get_elements_text("coverageCollectionId",
col_elem,
single_elem=True,
namespace=self.metocean)
def _get_reference_times(self, root):
ref_time_elem = get_elements("referenceTimeList/ReferenceTime",
root, single_elem=True,
namespace=self.metocean)
return get_elements_text("timePosition", ref_time_elem,
namespace=self.gml)
def get_formats(self):
return get_elements_text("supportedFormats/formats", self.root,
namespace=self.xmlns)
def get_ref_time(self):
ref_time_elem = get_elements("referenceTime", self.root,
single_elem=True,
namespace=self.metocean)
return get_elements_text("TimeInstant/timePosition", ref_time_elem,
namespace=self.gml)
def get_collection_id(self):
return get_elements_text("coverageCollectionId",
self.root,
single_elem=True,
namespace=self.metocean)
def test_simple_text(self):
found_text = xml_reader.get_elements_text("elemTwo/name", xml_simple_root)
self.assertEqual(found_text[0], "Element 2")