Exemple #1
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 def test_agg_func_get_set(self, model, agg_func):
     if agg_func == "custom":
         agg_func = custom_test_func
     p = AggregatedParameter(model, [], agg_func=agg_func)
     assert p.agg_func == agg_func
     p.agg_func = "product"
     assert p.agg_func == "product"
Exemple #2
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def test_storage_max_volume_param_raises(solver):
    """Test a that an max_volume with a Parameter that has children is an error

    """

    model = Model(solver=solver,
                  start=pandas.to_datetime('2016-01-01'),
                  end=pandas.to_datetime('2016-01-01'))

    storage = Storage(model, 'storage', num_inputs=1, num_outputs=0)
    otpt = Output(model, 'output', max_flow=99999, cost=-99999)
    storage.connect(otpt)

    p = AggregatedParameter(
        model,
        [ConstantParameter(model, 20.0),
         ConstantParameter(model, 20.0)],
        agg_func='sum')
    p1 = AggregatedParameter(model, [p, ConstantParameter(model, 1.5)],
                             agg_func="product")

    storage.max_volume = p1
    storage.initial_volume = 10.0

    with pytest.raises(RuntimeError):
        model.run()
Exemple #3
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    def _make_weather_nodes(self, model, weather, cost):

        if not isinstance(self.area, Parameter):
            raise ValueError(
                'Weather nodes can only be created if an area Parameter is given.'
            )

        rainfall = weather['rainfall'].astype(np.float64)
        rainfall_param = MonthlyProfileParameter(model, rainfall)

        evaporation = weather['evaporation'].astype(np.float64)
        evaporation_param = MonthlyProfileParameter(model, evaporation)

        # Assume rainfall/evap is mm/day
        # Need to convert:
        #   Mm2 -> m2
        #   mm/day -> m/day
        #   m3/day -> Mm3/day
        # TODO allow this to be configured
        const = ConstantParameter(model, 1e6 * 1e-3 * 1e-6)

        # Create the flow parameters multiplying area by rate of rainfall/evap
        rainfall_flow_param = AggregatedParameter(
            model, [rainfall_param, const, self.area], agg_func='product')
        evaporation_flow_param = AggregatedParameter(
            model, [evaporation_param, const, self.area], agg_func='product')

        # Create the nodes to provide the flows
        rainfall_node = Input(model,
                              '{}.rainfall'.format(self.name),
                              parent=self)
        rainfall_node.max_flow = rainfall_flow_param
        rainfall_node.cost = cost

        evporation_node = Output(model,
                                 '{}.evaporation'.format(self.name),
                                 parent=self)
        evporation_node.max_flow = evaporation_flow_param
        evporation_node.cost = cost

        rainfall_node.connect(self)
        self.connect(evporation_node)
        self.rainfall_node = rainfall_node
        self.evaporation_node = evporation_node

        # Finally record these flows
        self.rainfall_recorder = NumpyArrayNodeRecorder(
            model, rainfall_node, name=f'__{rainfall_node.name}__:rainfall')
        self.evaporation_recorder = NumpyArrayNodeRecorder(
            model,
            evporation_node,
            name=f'__{evporation_node.name}__:evaporation')
Exemple #4
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def test_storage_max_volume_param_raises(solver):
    """Test a that an max_volume with a Parameter that has children.
    
    Only some aggregated style parameters should work here.
    """

    model = Model(solver=solver,
                  start=pandas.to_datetime('2016-01-01'),
                  end=pandas.to_datetime('2016-01-01'))

    storage = Storage(model, 'storage', num_inputs=1, num_outputs=0)
    otpt = Output(model, 'output', max_flow=99999, cost=-99999)
    storage.connect(otpt)

    p = AggregatedParameter(
        model,
        [ConstantParameter(model, 20.0),
         ConstantParameter(model, 20.0)],
        agg_func='sum')

    storage.max_volume = p
    storage.initial_volume = 10.0

    model.setup()
    np.testing.assert_allclose(storage.current_pc, 0.25)
Exemple #5
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    def __init__(self, model, name, *args, **kwargs):
        demand = kwargs.pop('demand', ConstantParameter(model, 0))
        supply = kwargs.pop('supply', ConstantParameter(model, 0))
        headroom = kwargs.pop('headroom', ConstantParameter(model, 0))
        super().__init__(model, name, *args, **kwargs)

        self.supply_node = Input(model, name=f'{name}-supply', parent=self)
        self.demand_node = Output(model, name=f'{name}-demand', parent=self)

        self.supply_node.max_flow = MaxParameter(model, supply)

        demand_headroom = AggregatedParameter(model,
                                              parameters=[demand, headroom],
                                              agg_func='sum')

        self.demand_node.max_flow = MaxParameter(model, demand_headroom)
        self.demand_node.cost = -100

        self.supply_node.connect(self)
        self.connect(self.demand_node)

        # Track deficits
        deficit_param = DeficitParameter(model,
                                         self.demand_node,
                                         name=f'{name}-deficit_param')
        NumpyArrayParameterRecorder(model,
                                    deficit_param,
                                    name=f'__{name}-demand__:deficit',
                                    temporal_agg_func='sum')
Exemple #6
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    def test_max(self, model):
        # Add two scenarios
        scA = Scenario(model, 'Scenario A', size=2)
        scB = Scenario(model, 'Scenario B', size=5)

        values = np.arange(366, dtype=np.float64)
        p1 = DailyProfileParameter(values)
        p2 = ConstantScenarioParameter(scB,
                                       np.arange(scB.size, dtype=np.float64))

        p = AggregatedParameter([p1, p2], agg_func='max')
        p.setup(model)

        for ts in model.timestepper:
            month = ts.datetime.month
            day = ts.datetime.day
            iday = int((datetime.datetime(2016, month, day) -
                        datetime.datetime(2016, 1, 1)).days)
            for i in range(scB.size):
                si = ScenarioIndex(i, np.array([0, i], dtype=np.int32))
                np.testing.assert_allclose(p.value(ts, si),
                                           max(values[iday], i))
Exemple #7
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    def _make_rainfall_node(self, model, rainfall, cost):

        if not isinstance(self.area, Parameter):
            log.warning(
                'Weather nodes can only be created if an area Parameter is given.'
            )
            return

        if rainfall is None:
            try:
                rainfall_param = load_parameter(model,
                                                f'__{self.name}__:rainfall')
            except KeyError:
                log.warning(
                    f"Please speficy a rainfall or a weather on node {self.name}"
                )
                return
        elif isinstance(rainfall, pd.DataFrame) or isinstance(
                rainfall, pd.Series):
            #assume it's a dataframe
            rainfall = rainfall.astype(np.float64)
            rainfall_param = MonthlyProfileParameter(model, rainfall)
        else:
            rainfall_param = rainfall

        # Create the flow parameters multiplying area by rate of rainfall/evap
        rainfall_flow_param = AggregatedParameter(
            model, [rainfall_param, self.const, self.area], agg_func='product')

        # Create the nodes to provide the flows
        rainfall_node = Input(model,
                              '{}.rainfall'.format(self.name),
                              parent=self)
        rainfall_node.max_flow = rainfall_flow_param
        rainfall_node.cost = cost

        rainfall_node.connect(self)
        self.rainfall_node = rainfall_node

        # Finally record these flows
        self.rainfall_recorder = NumpyArrayNodeRecorder(
            model, rainfall_node, name=f'__{rainfall_node.name}__:rainfall')
Exemple #8
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def test_storage_max_volume_nested_param():
    """Test that a max_volume can be used with a Parameter with children.
    """

    model = Model(
        start=pandas.to_datetime('2016-01-01'),
        end=pandas.to_datetime('2016-01-01')
    )

    storage = Storage(model, 'storage', num_inputs=1, num_outputs=0)
    otpt = Output(model, 'output', max_flow=99999, cost=-99999)
    storage.connect(otpt)

    p = AggregatedParameter(model, [ConstantParameter(model, 20.0), ConstantParameter(model, 20.0)], agg_func='sum')

    storage.max_volume = p
    storage.initial_volume = 10.0

    model.setup()
    np.testing.assert_allclose(storage.current_pc, 0.25)
Exemple #9
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    def _make_evaporation_node(self, model, evaporation, cost):

        if not isinstance(self.area, Parameter):
            log.warning(
                'Evaporation nodes can only be created if an area Parameter is given.'
            )
            return

        if evaporation is None:
            try:
                evaporation_param = load_parameter(
                    model, f'__{self.name}__:evaporation')
            except KeyError:
                log.warning(
                    f"Please speficy an evaporation or a weather on node {self.name}"
                )
                return
        elif isinstance(evaporation, pd.DataFrame) or isinstance(
                evaporation, pd.Series):
            evaporation = evaporation.astype(np.float64)
            evaporation_param = MonthlyProfileParameter(model, evaporation)
        else:
            evaporation_param = evaporation

        evaporation_flow_param = AggregatedParameter(
            model, [evaporation_param, self.const, self.area],
            agg_func='product')

        evporation_node = Output(model,
                                 '{}.evaporation'.format(self.name),
                                 parent=self)
        evporation_node.max_flow = evaporation_flow_param
        evporation_node.cost = cost

        self.connect(evporation_node)
        self.evaporation_node = evporation_node

        self.evaporation_recorder = NumpyArrayNodeRecorder(
            model,
            evporation_node,
            name=f'__{evporation_node.name}__:evaporation')
Exemple #10
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    def test_agg(self, simple_linear_model, agg_func):
        model = simple_linear_model
        model.timestepper.delta = 15

        scenarioA = Scenario(model, "Scenario A", size=2)
        scenarioB = Scenario(model, "Scenario B", size=5)

        values = np.arange(366, dtype=np.float64)
        p1 = DailyProfileParameter(model, values)
        p2 = ConstantScenarioParameter(model, scenarioB, np.arange(scenarioB.size, dtype=np.float64))

        p = AggregatedParameter(model, [p1, p2], agg_func=agg_func)

        func = TestAggregatedParameter.funcs[agg_func]

        @assert_rec(model, p)
        def expected_func(timestep, scenario_index):
            x = p1.get_value(scenario_index)
            y = p2.get_value(scenario_index)
            return func(np.array([x,y]))

        model.run()
Exemple #11
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    def test_min(self, model):
        # Add two scenarios
        scA = Scenario(model, 'Scenario A', size=2)
        scB = Scenario(model, 'Scenario B', size=5)

        values = np.arange(366, dtype=np.float64)
        p1 = DailyProfileParameter(values)
        p2 = ConstantScenarioParameter(scB,
                                       np.arange(scB.size, dtype=np.float64))

        p = AggregatedParameter([
            p1,
        ], agg_func='min')
        p.add(p2)

        p.setup(model)
        for ts in model.timestepper:
            iday = ts.datetime.dayofyear - 1
            for i in range(scB.size):
                si = ScenarioIndex(i, np.array([0, i], dtype=np.int32))
                np.testing.assert_allclose(p.value(ts, si),
                                           min(values[iday], i))