def pandapipesNet(self):
if isinstance(self.obj, str): # backwards compatibility
from pandapipes import from_json_string
return from_json_string(self.obj)
else:
net = pandapipesNet(get_basic_net_entries())
net.update(self.obj)
return net
def from_pickle(filename):
"""
Load a pandapipes format Network from pickle file.
:param filename: The absolute or relative path to the input file or file-like object
:type filename: str, file-object
:return: net - The pandapipes Network which was saved as pickle
:rtype: pandapipesNet
:Example:
>>> net1 = pandapipes.from_pickle(os.path.join("C:", "example_folder", "example1.p"))
>>> net2 = pandapipes.from_pickle("example2.p") #relative path
"""
net = pandapipesNet(get_raw_data_from_pickle(filename))
transform_net_with_df_and_geo(net, ["junction_geodata"], ["pipe_geodata"])
return net
def create_empty_network(name="", fluid=None, add_stdtypes=True):
"""
This function initializes the pandapipes datastructure.
:param name: name for the network
:type name: string, default None
:param fluid: A fluid that can be added to the net from the start. Should be either of type\
Fluid (c.f. pandapipes.properties.fluids.Fluid) or a string which refers to a standard\
fluid type used to call `create_fluid_from_lib`. A fluid is required for pipeflow\
calculations, but can also be added later.
:type fluid: Fluid or str, default None
:param add_stdtypes: flag whether to add a dictionary of typical pump and pipe std types
:type add_stdtypes: bool, default True
:return: net - pandapipesNet with empty tables
:rtype: pandapipesNet
:Example:
>>> net1 = create_empty_network("my_first_pandapipesNet", "lgas")
>>> net2 = create_empty_network()
"""
net = pandapipesNet(get_default_pandapipes_structure())
add_new_component(net, Junction, True)
add_new_component(net, Pipe, True)
add_new_component(net, ExtGrid, True)
net['controller'] = pd.DataFrame(np.zeros(0, dtype=net['controller']),
index=[])
net['name'] = name
if add_stdtypes:
add_basic_std_types(net)
net["name"] = name
if fluid is not None:
if isinstance(fluid, Fluid):
net["fluid"] = fluid
elif isinstance(fluid, str):
create_fluid_from_lib(net, fluid)
else:
logger.warning(
"The fluid %s cannot be added to the net Only fluids of type Fluid or "
"strings can be used." % fluid)
return net