def _parse_input_reference(elem, identifier, title, abstract):
""" Parse one input item passed as a reference. """
href = elem.attrib.get(ns_xlink("href"))
if href is None:
raise ValueError("Missing the mandatory 'xlink:href' attribute!")
body = elem.findtext("./" + ns_wps("Body"))
elem_tmp = elem.find("./" + ns_wps("BodyReference"))
body_href = elem_tmp.attrib.get(ns_xlink("href")) if elem_tmp else None
headers = dict((header.attrib["key"], header.attrib["value"])
for header in elem.iterfind("./" + ns_wps("Header")))
return InputReference(
identifier,
title,
abstract,
href,
headers,
body,
elem.attrib.get("method", "GET"),
elem.attrib.get("mimeType"),
elem.attrib.get("encoding"),
elem.attrib.get("schema"),
body_href,
)
def parse_input_xml(element):
name = element.xpath("ows:Identifier/text()", namespaces=nsmap)[0]
data_elem = element.xpath("wps:Data/*[1]", namespaces=nsmap)[0]
if data_elem.tag == ns_wps("Reference"):
headers = dict(
(header.attrib["key"], header.attrib["value"]) for header in data_elem.xpath("wps:Header", namespaces=nsmap)
)
body = etree.tostring(data_elem.xpath("wps:Body")[0])
# TODO: BodyReference?
value = Reference(
data_elem.attrib[ns_xlink("href")],
headers,
body,
data_elem.attrib.get("method", "GET"),
data_elem.attrib.get("mimeType"),
data_elem.attrib.get("encoding"),
data_elem.attrib.get("schema"),
)
elif data_elem.tag == ns_wps("LiteralData"):
value = data_elem.text
elif data_elem.tag == ns_wps("BoundingBoxData"):
# TODO: parse BBOX
pass
elif data_elem.tag == ns_wps("ComplexData"):
value = data_elem[0]
return name, value
def _parse_response_form(elem_rform):
""" Parse ResponseForm element holding either ResponseDocument or
RawDataOutput elements.
"""
elem_rdoc = elem_rform.find("./" + ns_wps("ResponseDocument"))
if elem_rdoc is not None:
rdoc = ResponseDocument(
lineage=parse_bool(elem_rdoc.attrib.get("lineage")),
status=parse_bool(elem_rdoc.attrib.get("status")),
store_response=parse_bool(
elem_rdoc.attrib.get("storeExecuteResponse")),
)
for elem in elem_rdoc.iterfind("./" + ns_wps("Output")):
id_ = elem.findtext(ns_ows("Identifier"))
title = elem.findtext(ns_ows("Title"))
abstr = elem.findtext(ns_ows("Abstract"))
rdoc.set_output(_create_output(id_, elem.attrib, title, abstr))
return rdoc
elem_rawout = elem_rform.find("./" + ns_wps("RawDataOutput"))
if elem_rawout is not None:
id_ = elem_rawout.findtext(ns_ows("Identifier"))
return RawDataOutput(_create_output(id_, elem_rawout.attrib))
raise InvalidParameterValue('Invalid ResponseForm!', 'ResponseForm')
def _parse_response_form(elem_rform):
""" Parse ResponseForm element holding either ResponseDocument or
RawDataOutput elements.
"""
elem_rdoc = elem_rform.find("./"+ns_wps("ResponseDocument"))
if elem_rdoc is not None:
rdoc = ResponseDocument(
lineage=parse_bool(elem_rdoc.attrib.get("lineage")),
status=parse_bool(elem_rdoc.attrib.get("status")),
store_response=parse_bool(
elem_rdoc.attrib.get("storeExecuteResponse")
),
)
for elem in elem_rdoc.iterfind("./"+ns_wps("Output")):
id_ = elem.findtext(ns_ows("Identifier"))
title = elem.findtext(ns_ows("Title"))
abstr = elem.findtext(ns_ows("Abstract"))
rdoc.set_output(_create_output(id_, elem.attrib, title, abstr))
return rdoc
elem_rawout = elem_rform.find("./"+ns_wps("RawDataOutput"))
if elem_rawout is not None:
id_ = elem_rawout.findtext(ns_ows("Identifier"))
return RawDataOutput(_create_output(id_, elem_rawout.attrib))
raise InvalidParameterValue('Invalid ResponseForm!', 'ResponseForm')
def _parse_input_data(elem, identifier, title, abstract):
if elem.tag == ns_wps("LiteralData"):
args = _parse_input_literal(elem)
elif elem.tag == ns_wps("BoundingBoxData"):
args = _parse_input_bbox(elem)
elif elem.tag == ns_wps("ComplexData"):
args = _parse_input_complex(elem)
else:
raise ValueError("Invalid input content of the 'wps:Data' element!")
return InputData(identifier, title, abstract, **args)
def parse_response_form_xml(elem):
if elem.tag == ns_wps("ResponseDocument"):
outputs = {}
for output_elem in elem.xpath("wps:Output", namespaces=nsmap):
identifier = output_elem.findtext(ns_ows("Identifier"))
outputs[identifier] = parse_output(output_elem.attrib)
return ResponseDocument(outputs, elem.attrib.get("lineage") == "true")
elif elem.tag == ns_wps("RawDataOutput"):
return RawDataOutput({elem.findtext(ns_ows("Identifier")): parse_output(elem.attrib)})
raise
def _parse_input_data(elem, identifier, title, abstract):
""" Parse one input item value. """
if elem.tag == ns_wps("LiteralData"):
args = _parse_input_literal(elem)
elif elem.tag == ns_wps("BoundingBoxData"):
args = _parse_input_bbox(elem)
elif elem.tag == ns_wps("ComplexData"):
args = _parse_input_complex(elem)
else:
raise ValueError("Invalid input content of the 'wps:Data' element!")
return InputData(identifier=identifier,
title=title,
abstract=abstract,
**args)
def _encode_process_brief(process, elem):
""" Insert a brief process description into an XML element passed as the
second argument.
The brief process description is shared by both the Capabilities and
ProcessDescriptions XML encoders.
"""
identifier = getattr(process, 'identifier', type(process).__name__)
title = getattr(process, 'title', identifier)
abstract = getattr(process, 'description', process.__doc__)
version = getattr(process, "version", "1.0.0")
metadata = getattr(process, "metadata", {})
profiles = getattr(process, "profiles", [])
wsdl = getattr(process, "wsdl", None)
elem.append(OWS("Identifier", identifier))
elem.append(OWS("Title", title))
elem.attrib[ns_wps("processVersion")] = version
if abstract:
elem.append(OWS("Abstract", abstract))
elem.extend(_encode_metadata(k, metadata[k]) for k in metadata)
elem.extend(WPS("Profile", profile) for profile in profiles)
if wsdl:
elem.append(WPS("WSDL", **{ns_xlink("href"): wsdl}))
return elem
def _parse_input(element):
id_ = element.findtext("./"+ns_ows("Identifier"))
title = element.findtext("./"+ns_ows("Title"))
abstract = element.findtext("./"+ns_ows("Abstract"))
if id_ is None:
raise ValueError("Missing the mandatory input identifier!")
elem_ref = element.find("./"+ns_wps("Reference"))
elem_data = element.find("./"+ns_wps("Data"))
if elem_ref is not None:
value = _parse_input_reference(elem_ref, id_, title, abstract)
elif elem_data is not None:
if len(elem_data) != 1:
raise ValueError("Invalid input content of the 'wps:Data' element!")
value = _parse_input_data(elem_data[0], id_, title, abstract)
return id_, value
def _parse_input_reference(elem, identifier, title, abstract):
href = elem.attrib.get(ns_xlink("href"))
if href is None:
raise ValueError("Missing the mandatory 'xlink:href' attribute!")
body = elem.findtext("./"+ns_wps("Body"))
elem_tmp = elem.find("./"+ns_wps("BodyReference"))
body_href = elem_tmp.attrib.get(ns_xlink("href")) if elem_tmp else None
headers = dict(
(header.attrib["key"], header.attrib["value"])
for header in elem.iterfind("./"+ns_wps("Header"))
)
return InputReference(
identifier, title, abstract,
href, headers, body,
elem.attrib.get("method", "GET"),
elem.attrib.get("mimeType"),
elem.attrib.get("encoding"),
elem.attrib.get("schema"),
body_href,
)
def _parse_input(element):
""" Parse one data input element. """
id_ = element.findtext("./" + ns_ows("Identifier"))
title = element.findtext("./" + ns_ows("Title"))
abstract = element.findtext("./" + ns_ows("Abstract"))
if id_ is None:
raise ValueError("Missing the mandatory input identifier!")
elem_ref = element.find("./" + ns_wps("Reference"))
elem_data = element.find("./" + ns_wps("Data"))
if elem_ref is not None:
value = _parse_input_reference(elem_ref, id_, title, abstract)
elif elem_data is not None:
if len(elem_data) != 1:
raise ValueError(
"Invalid input content of the 'wps:Data' element!")
# pylint: disable=redefined-variable-type
value = _parse_input_data(elem_data[0], id_, title, abstract)
return id_, value
def encode_process_brief(self, process):
elem = WPS("Process",
OWS("Identifier", process.identifier),
OWS("Title", getattr(process, "title", None) or process.identifier),
OWS("Abstract", getattr(process, "description", ""))
)
elem.extend([
OWS("Metadata", metadata)
for metadata in getattr(process, "metadata", [])
])
elem.extend([
OWS("Profile", profile)
for profile in getattr(process, "profiles", [])
])
version = getattr(process, "version", None)
if version:
elem.attr[ns_wps("processVersion")] = version
return elem
def _encode_process_brief(process, elem):
""" auxiliary shared brief process description encoder"""
id_ = getattr(process, 'identifier', process.__class__.__name__)
title = getattr(process, 'title', id_)
#abstract = getattr(process, 'abstract', process.__class__.__doc__)
abstract = getattr(process, 'description', process.__class__.__doc__)
version = getattr(process, "version", "1.0.0")
metadata = getattr(process, "metadata", {})
profiles = getattr(process, "profiles", [])
wsdl = getattr(process, "wsdl", None)
elem.append(OWS("Identifier", id_))
elem.append(OWS("Title", title))
elem.attrib[ns_wps("processVersion")] = version
if abstract:
elem.append(OWS("Abstract", abstract))
elem.extend(_encode_metadata(k, metadata[k]) for k in metadata)
elem.extend(WPS("Profile", p) for p in profiles)
if wsdl:
elem.append(WPS("WSDL", **{ns_xlink("href"): wsdl}))
return elem