def _parse(self, process, wps_request):
"""Parse request
"""
LOGGER.debug('Checking if datainputs is required and has been passed')
if process.inputs:
if wps_request.inputs is None:
raise MissingParameterValue('Missing "datainputs" parameter', 'datainputs')
LOGGER.debug('Checking if all mandatory inputs have been passed')
data_inputs = {}
for inpt in process.inputs:
LOGGER.debug('Checking input: %s', inpt.identifier)
if inpt.identifier not in wps_request.inputs:
if inpt.min_occurs > 0:
LOGGER.error('Missing parameter value: %s', inpt.identifier)
raise MissingParameterValue(
inpt.identifier, inpt.identifier)
else:
# inputs = deque(maxlen=inpt.max_occurs)
# inputs.append(inpt.clone())
# data_inputs[inpt.identifier] = inputs
pass
else:
# Replace the dicts with the dict of Literal/Complex inputs
# set the input to the type defined in the process.
if isinstance(inpt, ComplexInput):
data_inputs[inpt.identifier] = self.create_complex_inputs(
inpt, wps_request.inputs[inpt.identifier])
elif isinstance(inpt, LiteralInput):
data_inputs[inpt.identifier] = self.create_literal_inputs(
inpt, wps_request.inputs[inpt.identifier])
elif isinstance(inpt, BoundingBoxInput):
data_inputs[inpt.identifier] = self.create_bbox_inputs(
inpt, wps_request.inputs[inpt.identifier])
wps_request.inputs = data_inputs
# set as_reference to True for all the outputs specified as reference
# if the output is not required to be raw
if not wps_request.raw:
for wps_outpt in wps_request.outputs:
is_reference = wps_request.outputs[
wps_outpt].get('asReference', 'false').lower() == 'true'
for outpt in process.outputs:
if outpt.identifier == wps_outpt:
outpt.as_reference = is_reference
def create_bbox_inputs(self, source: BoundingBoxInput,
inputs: Iterable[JsonValue]) -> Iterable[BoundingBoxInput]:
""" Takes the http_request and parses the input to objects
:return collections.deque:
"""
outinputs = deque(maxlen=source.max_occurs)
for inpt in inputs:
newinpt = source.clone()
newinpt.data = inpt.get('data')
crs = inpt.get('crs')
if crs:
newinpt.crs = crs
dimensions = inpt.get('dimensions')
if dimensions:
newinpt.dimensions = dimensions
outinputs.append(newinpt)
if len(outinputs) < source.min_occurs:
raise MissingParameterValue(
description='Number of inputs is lower than minium required number of inputs',
locator=source.identifier)
return outinputs
def create_literal_inputs(self, source: LiteralInput,
inputs: Iterable[JsonValue]) -> Iterable[LiteralInput]:
""" Takes the http_request and parses the input to objects
:return collections.deque:
"""
outinputs = deque(maxlen=source.max_occurs)
for inpt in inputs:
newinpt = source.clone()
# set the input to the type defined in the process
newinpt.uom = inpt.get('uom')
data_type = inpt.get('datatype')
if data_type:
newinpt.data_type = data_type
# get the value of the field
newinpt.data = inpt.get('data')
outinputs.append(newinpt)
if len(outinputs) < source.min_occurs:
raise MissingParameterValue(description="Missing literal input data value for %s" % source.identifier, locator=source.identifier)
return outinputs
def describe(self, identifiers, **context):
""" Return process description
"""
if not identifiers:
raise MissingParameterValue('', 'identifier')
# 'all' keyword means all processes
if 'all' in (ident.lower() for ident in identifiers):
identifiers = [p.identifier for p in self.processes]
identifier_elements = []
try:
identifier_elements.extend(
p.describe_xml()
for p in self.get_processes(identifiers, **context))
except UnknownProcessError as exc:
raise InvalidParameterValue("Unknown process %s" % exc,
"identifier")
except Exception as e:
LOGGER.critical("Exception:\n%s", traceback.format_exc())
raise NoApplicableCode(str(e), code=500)
doc = WPS.ProcessDescriptions(*identifier_elements)
doc.attrib['{http://www.w3.org/2001/XMLSchema-instance}schemaLocation'] = \
'http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsDescribeProcess_response.xsd'
doc.attrib['service'] = 'WPS'
doc.attrib['version'] = '1.0.0'
doc.attrib['{http://www.w3.org/XML/1998/namespace}lang'] = 'en-US'
return doc
def check_and_set_version(self, version):
"""set this.version
"""
if not version:
raise MissingParameterValue('Missing version', 'version')
elif not _check_version(version):
raise VersionNegotiationFailed(
'The requested version "%s" is not supported by this server' % version, 'version')
else:
self.version = version
def parse_post_execute():
"""Parse POST Execute request
"""
version = doc.attrib.get('version')
wpsrequest.check_and_set_version(version)
language = doc.attrib.get('language')
wpsrequest.check_and_set_language(language)
wpsrequest.operation = 'execute'
identifier = xpath_ns(doc, './ows:Identifier')
if not identifier:
raise MissingParameterValue('Process identifier not set',
'Identifier')
wpsrequest.identifier = identifier[0].text
wpsrequest.lineage = 'false'
wpsrequest.store_execute = 'false'
wpsrequest.status = 'false'
wpsrequest.inputs = get_inputs_from_xml(doc)
wpsrequest.outputs = get_output_from_xml(doc)
wpsrequest.raw = False
if xpath_ns(doc,
'/wps:Execute/wps:ResponseForm/wps:RawDataOutput'):
wpsrequest.raw = True
# executeResponse XML will not be stored
wpsrequest.store_execute = 'false'
# check if response document tag has been set then retrieve
response_document = xpath_ns(
doc, './wps:ResponseForm/wps:ResponseDocument')
if len(response_document) > 0:
wpsrequest.lineage = response_document[0].attrib.get(
'lineage', 'false')
wpsrequest.store_execute = response_document[0].attrib.get(
'storeExecuteResponse', 'false')
# XXX If storeExecuteResponse is set then we enforce
# the status supports
wpsrequest.status = wpsrequest.store_execute
# Set timeout
timeout = response_document[0].attrib.get('timeout')
wpsrequest.check_and_set_timeout(timeout)
# Set expiration
expire = response_document[0].attrib.get('expire')
wpsrequest.check_and_set_expiration(expire)
def create_bbox_inputs(self, source, inputs):
""" Takes the http_request and parses the input to objects
:return collections.deque:
"""
outinputs = deque(maxlen=source.max_occurs)
for datainput in inputs:
newinpt = source.clone()
newinpt.data = [datainput.minx, datainput.miny,
datainput.maxx, datainput.maxy]
outinputs.append(newinpt)
if len(outinputs) < source.min_occurs:
raise MissingParameterValue(
description='Number of inputs is lower than minium required number of inputs',
locator=source.identifier)
return outinputs
def create_complex_inputs(self, source: ComplexInput,
inputs: Iterable[JsonValue]) -> Iterable[ComplexInput]:
""" Create new ComplexInput as clone of original ComplexInput
because of inputs can be more then one, take it just as Prototype
:return collections.deque:
"""
outinputs = deque(maxlen=source.max_occurs)
for inpt in inputs:
data_input = source.clone()
frmt = data_input.supported_formats[0]
if 'mimeType' in inpt:
if inpt['mimeType']:
frmt = data_input.get_format(inpt['mimeType'])
else:
frmt = data_input.data_format
if frmt:
data_input.data_format = frmt
else:
raise InvalidParameterValue(
'Invalid mimeType value %s for input %s' %
(inpt.get('mimeType'), source.identifier),
'mimeType')
# get the referenced input otherwise get the value of the field
href = inpt.get('href', None)
if href:
data_input.method = inpt.get('method', 'GET')
data_input.url = href
data_input.as_reference = True
data_input.body = inpt.get('body',None)
else:
data_input.data = inpt.get('data')
outinputs.append(data_input)
if len(outinputs) < source.min_occurs:
raise MissingParameterValue(description="Given data input is missing", locator=source.identifier)
return outinputs
def describe(self, service: Service, map_uri: Optional[str]=None) -> XMLDocument:
""" Return process description
"""
identifiers = self.identifiers
if not identifiers:
raise MissingParameterValue('', 'identifier')
# 'all' keyword means all processes
if 'all' in (ident.lower() for ident in identifiers):
identifiers = [p.identifier for p in service.processes]
identifier_elements = []
identifier_elements.extend(p.describe_xml() for p in service.get_processes_for_request(identifiers,map_uri=map_uri))
doc = WPS.ProcessDescriptions(*identifier_elements)
doc.attrib['{http://www.w3.org/2001/XMLSchema-instance}schemaLocation'] = \
'http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsDescribeProcess_response.xsd'
doc.attrib['service'] = 'WPS'
doc.attrib['version'] = '1.0.0'
doc.attrib['{http://www.w3.org/XML/1998/namespace}lang'] = 'en-US'
return doc