def test_json(tmp_path):
"""
Checks if a network saved and reloaded as a json file is identical.
:return:
:rtype:
"""
net = load_net()
filename = os.path.abspath(str(tmp_path)) + "test_net_1.json"
# save test network
pandapipes.to_json(net, filename)
# load test network
net2 = pandapipes.from_json(filename)
# check if saved and loaded versions are identical
assert_frame_equal(net.pipe_geodata, net2.pipe_geodata)
del net.pipe_geodata
del net2.pipe_geodata
assert pandapipes.nets_equal(
net, net2), "Error in comparison after saving to JSON."
def test_json_string():
"""
Checks if a network saved and reloaded as a json file is identical.
:return:
:rtype:
"""
net = load_net()
# save test network
json_string = pandapipes.to_json(net)
# load test network
net2 = pandapipes.from_json_string(json_string)
# check if saved and loaded versions are identical
assert_frame_equal(net.pipe_geodata, net2.pipe_geodata)
del net.pipe_geodata
del net2.pipe_geodata
assert pandapipes.nets_equal(net, net2), \
"Error in comparison after saving to JSON string."
def release_control_test_network():
# empty net
net = pp.create_empty_network("net", add_stdtypes=False)
# fluid
pp.create_fluid_from_lib(net, "water", overwrite=True)
# junctions
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 0", index=None, in_service=True,
type="junction", geodata=None)
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 1")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 2")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 3")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 4")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 5")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 6")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 7")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 8")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 9")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 10")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 11")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 12")
# pipes
pp.create_pipe_from_parameters(net, from_junction=0, to_junction=8, length_km=3, diameter_m=0.01, k_mm=1,
loss_coefficient=0, sections=10, alpha_w_per_m2k=10, text_k=293,
qext_w=0., name="Pipe 0", index=None, geodata=None, in_service=True, type="pipe")
pp.create_pipe_from_parameters(net, 9, 2, length_km=6, diameter_m=0.075, k_mm=.1, sections=10,
alpha_w_per_m2k=3,
name="Pipe 1")
pp.create_pipe_from_parameters(net, 2, 12, length_km=5, diameter_m=0.06, k_mm=.1, sections=10,
alpha_w_per_m2k=20,
name="Pipe 2")
pp.create_pipe_from_parameters(net, 4, 12, length_km=0.1, diameter_m=0.07, k_mm=.1, sections=10,
alpha_w_per_m2k=2,
name="Pipe 3")
pp.create_pipe_from_parameters(net, 5, 3, length_km=1, diameter_m=0.09, k_mm=.1, sections=10, alpha_w_per_m2k=3,
name="Pipe 4")
pp.create_pipe_from_parameters(net, 4, 11, length_km=2.5, diameter_m=0.08, k_mm=.1, sections=10,
alpha_w_per_m2k=15,
name="Pipe 5")
pp.create_pipe_from_parameters(net, 7, 6, length_km=4.5, diameter_m=0.085, k_mm=.1, sections=10,
alpha_w_per_m2k=2.5, name="Pipe 6")
pp.create_pipe_from_parameters(net, 1, 7, length_km=4, diameter_m=0.03, k_mm=.1, sections=10, alpha_w_per_m2k=1,
name="Pipe 7")
# external grids
pp.create_ext_grid(net, junction=0, p_bar=3, t_k=300, name="External Grid 0", in_service=True, index=None,
type="pt")
pp.create_ext_grid(net, 1, p_bar=5, t_k=350, name="External Grid 1", type="pt")
# sinks
pp.create_sink(net, junction=2, mdot_kg_per_s=0.2, scaling=1., name="Sink 0", index=None, in_service=True,
type="sink")
pp.create_sink(net, 3, mdot_kg_per_s=0.1, name="Sink 1")
pp.create_sink(net, 4, mdot_kg_per_s=0.5, name="Sink 2")
pp.create_sink(net, 5, mdot_kg_per_s=0.07, name="Sink 3")
pp.create_sink(net, 6, mdot_kg_per_s=0.09, name="Sink 4")
pp.create_sink(net, 7, mdot_kg_per_s=0.1, name="Sink 5")
# sources
pp.create_source(net, junction=8, mdot_kg_per_s=0.1, scaling=1., name="Source 0", index=None, in_service=True,
type="source")
pp.create_source(net, junction=9, mdot_kg_per_s=0.03, name="Source 1")
pp.create_source(net, junction=10, mdot_kg_per_s=0.04, name="Source 2")
pp.create_source(net, junction=11, mdot_kg_per_s=0.09, name="Source 3")
# valves
pp.create_valve(net, from_junction=8, to_junction=9, diameter_m=0.1, opened=True, loss_coefficient=0,
name="Valve 0", index=None, type="valve")
pp.create_valve(net, 9, 4, diameter_m=0.05, opened=True, name="Valve 1")
# pump
pp.create_pump_from_parameters(net, from_junction=8, to_junction=3, new_std_type_name="Pump",
pressure_list=[6.1, 5.8, 4],
flowrate_list=[0, 19, 83], reg_polynomial_degree=2,
poly_coefficents=None, name=None, index=None, in_service=True,
type="pump")
# circulation pump mass
pp.create_circ_pump_const_mass_flow(net, from_junction=3, to_junction=4, p_bar=6, mdot_kg_per_s=1,
t_k=290, name="Circ. Pump Mass", index=None, in_service=True,
type="pt")
# circulation pump pressure
pp.create_circ_pump_const_pressure(net, from_junction=11, to_junction=5, p_bar=5, plift_bar=2,
t_k=290, name="Circ. Pump Pressure", index=None, in_service=True, type="pt")
# heat exchanger
pp.create_heat_exchanger(net, from_junction=10, to_junction=6, diameter_m=0.08, qext_w=50, loss_coefficient=0,
name="Heat Exchanger 0", index=None, in_service=True, type="heat_exchanger")
pp.create_heat_exchanger(net, from_junction=4, to_junction=10, diameter_m=0.08, qext_w=28000,
loss_coefficient=0,
name="Heat Exchanger 1", index=None, in_service=True, type="heat_exchanger")
# time series
profiles_sink = pd.read_csv(os.path.join(pp_dir, 'test', 'api', 'release_cycle',
'release_control_test_sink_profiles.csv'), index_col=0)
profiles_source = pd.read_csv(os.path.join(pp_dir, 'test', 'api', 'release_cycle',
'release_control_test_source_profiles.csv'), index_col=0)
ds_sink = DFData(profiles_sink)
ds_source = DFData(profiles_source)
const_sink = control.ConstControl(net, element='sink', variable='mdot_kg_per_s',
element_index=net.sink.index.values, data_source=ds_sink,
profile_name=net.sink.index.values.astype(str))
const_source = control.ConstControl(net, element='source', variable='mdot_kg_per_s',
element_index=net.source.index.values,
data_source=ds_source,
profile_name=net.source.index.values.astype(str))
const_sink.initial_run = False
const_source.initial_run = False
pp.pipeflow(net)
pp.to_json(net, os.path.join(path, 'example_%s.json' % pp.__version__))
return net
return class_
else:
# for non-pp objects, e.g. tuple
return class_(obj, **d)
else:
return d
@to_serializable.register(pandapipesNet)
def json_net(obj):
net_dict = {k: item for k, item in obj.items() if not k.startswith("_")}
d = with_signature(obj, net_dict)
return d
@to_serializable.register(type)
def json_component(class_):
if issubclass(class_, Component):
d = with_signature(class_(), str(class_().__dict__))
return d
else:
raise(UserWarning('with_signature needs to be defined for '
'class %s in @to_serializable.register(type)!' % class_))
if __name__ == '__main__':
ntw = create_fluid_network()
import pandapipes as pp
pp.to_json(ntw, 'test.json')
ntw = pp.from_json('test.json')