added Output parameter

owslib_esgfwps.py

@@ -70,6 +70,78 @@ def __repr__(self):
         return "{}({})".format(self.__class__.__name__, params.strip(","))
 
 
+class Output(Parameter):
+    def __init__(self, id=None, uri=None, domain=None, mimetype=None):
+        super(Output, self).__init__()
+        self._id = id
+        self._uri = uri
+        self._domain = domain
+        self._mimetype = mimetype
+
+    @property
+    def id(self):
+        return self._id
+
+    @property
+    def uri(self):
+        return self._uri
+
+    @property
+    def domain(self):
+        return self._domain
+
+    @property
+    def mimetype(self):
+        return self._mimetype
+
+    @property
+    def json(self):
+        data = dict(uri=self.uri)
+        if self.id:
+            data['id'] = self.id
+        if self.domain:
+            data['domain'] = self.domain
+        if self.mimetype:
+            data['mime-type'] = self.mimetype
+        return data
+
+    @classmethod
+    def from_json(cls, data):
+        # TODO: use mimetype as key
+        new_data = data.copy()
+        if 'mime-type' in data:
+            new_data['mimetype'] = data['mime-type']
+            del new_data['mime-type']
+        return cls(**new_data)
+
+    @property
+    def params(self):
+        return self.json
+
+
+class Outputs(Parameter):
+    def __init__(self, outputs=None):
+        super(Outputs, self).__init__()
+        self._outputs = outputs or []
+
+    @property
+    def outputs(self):
+        return self._outputs
+
+    @property
+    def json(self):
+        return [output.json for output in self.outputs]
+
+    @classmethod
+    def from_json(cls, data):
+        outputs = [Output.from_json(output) for output in data]
+        return cls(outputs=outputs)
+
+    @property
+    def params(self):
+        return dict(outputs=[output.id for output in self.outputs])
+
+
 class Variable(Parameter):
     def __init__(self, uri, var_name=None, id=None, domain=None):
         super(Variable, self).__init__()

tests/test_espfwps.py

@@ -5,6 +5,8 @@
 """
 
 from owslib_esgfwps import (
+    Output,
+    Outputs,
     Domain,
     Domains,
     Dimension,
@@ -15,6 +17,33 @@
 )
 
 
+def test_output_compat():
+    data = {
+        "uri": "http://test.org/output.nc",
+        "id": "tas_avg_mon",
+        "domain": {"id": "d0"},
+        "mime-type": "x-application/netcdf",
+    }
+    # from json
+    output = Output.from_json(data)
+    assert output.uri == data['uri']
+    # json
+    assert output.json['uri'] == data['uri']
+
+
+def test_outputs():
+    data = [{
+        "uri": "http://test.org/output.nc",
+        "id": "tas_avg_mon",
+        "domain": {"id": "d0"},
+        "mime-type": "x-application/netcdf",
+    }]
+    output = Output(id="tas_avg_mon", uri="http://test.org/output.nc")
+    outputs = Outputs([output])
+    assert Outputs.from_json(outputs.json).outputs[0].uri == output.uri
+    assert output.id in str(outputs)
+
+
 def test_dimension_compat():
     dim_data = {"start": 0.0, "end": 90.0, "step": 1, "crs": "indices"}
     # from json