Source code for ows.wps.v20.decoders

# ------------------------------------------------------------------------------
#
# Project: pyows <http://eoxserver.org>
# Authors: Fabian Schindler <fabian.schindler@eox.at>
#
# ------------------------------------------------------------------------------
# Copyright (C) 2019 EOX IT Services GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
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# copies of the Software, and to permit persons to whom the Software is
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# THE SOFTWARE.
# ------------------------------------------------------------------------------

# flake8: noq

from ows import kvp, xml
from ows.decoder import typelist
from ows.util import Version

from .namespaces import nsmap
from .types import (
    DescribeProcessRequest, ExecuteRequest, GetStatusRequest, GetResultRequest,
    DismissRequest,
    ExecutionMode, ResponseType, Input, Data, Reference, OutputDefinition,
    TransmissionType,
)


# ------------------------------------------------------------------------------
# DescribeProcess
# ------------------------------------------------------------------------------


[docs]class KVPDescribeProcessDecoder(kvp.Decoder): object_class = DescribeProcessRequest version = kvp.Parameter(type=Version.from_str, num=1) process_ids = kvp.Parameter("jobid", type=typelist(str, ","), num=1)
[docs]class XMLDescribeProcessDecoder(xml.Decoder): object_class = DescribeProcessRequest version = xml.Parameter("@version", type=Version.from_str, num=1) process_ids = xml.Parameter("ows:Identifier/text()", num="+") namespaces = nsmap
[docs]def kvp_decode_describe_process(kvp) -> DescribeProcessRequest: decoder = KVPDescribeProcessDecoder(kvp) return decoder.decode()
[docs]def xml_decode_describe_process(xml) -> DescribeProcessRequest: decoder = XMLDescribeProcessDecoder(xml) return decoder.decode()
# ------------------------------------------------------------------------------ # Execute # ------------------------------------------------------------------------------
[docs]def parse_data_input(input_elem): decoder = XMLInputDecoder(input_elem) return Input( identifier=decoder.identifier, data=decoder.data or decoder.reference, inputs=[ input_ for input_ in decoder.inputs ] if decoder.inputs else None, )
[docs]class XMLDataDecoder(xml.Decoder): mime_type = xml.Parameter('@mimeType', num='?') encoding = xml.Parameter('@encoding', num='?') schema = xml.Parameter('@schema', num='?')
[docs]def parse_data(data_elem): decoder = XMLDataDecoder(data_elem) if len(data_elem) == 0: value = data_elem.text else: value = list(data_elem) return Data( value=value, mime_type=decoder.mime_type, encoding=decoder.encoding, schema=decoder.schema, )
[docs]def parse_reference_body(body_elem): if len(body_elem): # TODO: convert to string raise NotImplementedError else: return body_elem.text
[docs]class XMLReferenceDecoder(xml.Decoder): object_class = Reference href = xml.Parameter('@xlink:href', num='?') body = xml.Parameter('wps:Body', type=parse_reference_body, num='?') body_reference_href = xml.Parameter('wps:BodyReference/@xlink:href', num='?') mime_type = xml.Parameter('@mimeType', num='?') encoding = xml.Parameter('@encoding', num='?') schema = xml.Parameter('@schema', num='?') namespaces = nsmap
[docs]def parse_reference(reference_elem): return XMLReferenceDecoder(reference_elem).decode()
[docs]class XMLInputDecoder(xml.Decoder): identifier = xml.Parameter('@id', num=1) data = xml.Parameter('wps:Data', type=parse_data, num='?') reference = xml.Parameter('wps:Reference', type=parse_reference, num='?') inputs = xml.Parameter('wps:Input', type=parse_data_input, num='*') namespaces = nsmap
[docs]def parse_output_def(output_elem): decoder = XMLOutputDefinitionDecoder(output_elem) return decoder.decode()
[docs]class XMLOutputDefinitionDecoder(xml.Decoder): object_class = OutputDefinition identifier = xml.Parameter('@id', num=1) output_definitions = xml.Parameter('wps:Output', type=parse_output_def, num='*') mime_type = xml.Parameter('@mimeType', num='?') encoding = xml.Parameter('@encoding', num='?') schema = xml.Parameter('@schema', num='?') transmission = xml.Parameter('@transmission', type=TransmissionType, num='?') namespaces = nsmap
[docs] def map_params(self, params): if not params['output_definitions']: params['output_definitions'] = None return params
[docs]class XMLExecuteDecoder(xml.Decoder): object_class = ExecuteRequest version = xml.Parameter("@version", type=Version.from_str, num=1) process_id = xml.Parameter("ows:Identifier/text()", num=1) mode = xml.Parameter('@mode', type=ExecutionMode, num=1) response = xml.Parameter('@response', type=ResponseType, num=1) inputs = xml.Parameter('wps:Input', type=parse_data_input, num='*') output_definitions = xml.Parameter('wps:Output', type=parse_output_def, num='+') namespaces = nsmap
[docs]def xml_decode_execute(xml): decoder = XMLExecuteDecoder(xml) return decoder.decode()
# ------------------------------------------------------------------------------ # GetStatus # ------------------------------------------------------------------------------
[docs]class KVPGetStatusDecoder(kvp.Decoder): object_class = GetStatusRequest version = kvp.Parameter(type=Version.from_str, num=1) job_id = kvp.Parameter("jobid", type=typelist(str, ","), num=1)
[docs]class XMLGetStatusDecoder(xml.Decoder): object_class = GetStatusRequest version = xml.Parameter("@version", type=Version.from_str, num=1) job_id = xml.Parameter("wps:JobID/text()", num=1) namespaces = nsmap
[docs]def kvp_decode_get_status(kvp) -> GetStatusRequest: decoder = KVPGetStatusDecoder(kvp) return decoder.decode()
[docs]def xml_decode_get_status(xml) -> GetStatusRequest: decoder = XMLGetStatusDecoder(xml) return decoder.decode()
# ------------------------------------------------------------------------------ # GetResult # ------------------------------------------------------------------------------
[docs]class KVPGetResultDecoder(kvp.Decoder): object_class = GetResultRequest version = kvp.Parameter(type=Version.from_str, num=1) job_id = kvp.Parameter("jobid", type=typelist(str, ","), num=1)
[docs]class XMLGetResultDecoder(xml.Decoder): object_class = GetResultRequest version = xml.Parameter("@version", type=Version.from_str, num=1) job_id = xml.Parameter("wps:JobID/text()", num=1) namespaces = nsmap
[docs]def kvp_decode_get_result(kvp) -> GetResultRequest: decoder = KVPGetResultDecoder(kvp) return decoder.decode()
[docs]def xml_decode_get_result(xml) -> GetResultRequest: decoder = XMLGetResultDecoder(xml) return decoder.decode()
# ------------------------------------------------------------------------------ # Execute # ------------------------------------------------------------------------------
[docs]class KVPDismissDecoder(kvp.Decoder): object_class = DismissRequest version = kvp.Parameter(type=Version.from_str, num=1) job_id = kvp.Parameter("jobid", type=typelist(str, ","), num=1)
[docs]class XMLDismissDecoder(xml.Decoder): object_class = DismissRequest version = xml.Parameter("@version", type=Version.from_str, num=1) job_id = xml.Parameter("wps:JobID/text()", num=1) namespaces = nsmap
[docs]def kvp_decode_dismiss(kvp) -> DismissRequest: decoder = KVPDismissDecoder(kvp) return decoder.decode()
[docs]def xml_decode_dismiss(xml) -> DismissRequest: decoder = XMLDismissDecoder(xml) return decoder.decode()