def process_fluid_state(fluid_ref):
"""Check input for state object or fluid string
Parameters
----------
fluid_ref : str, CoolProp.AbstractState
Returns
-------
CoolProp.AbstractState
"""
# Process the fluid and set self._state
if is_string(fluid_ref):
backend, fluids = extract_backend(fluid_ref)
fluids, fractions = extract_fractions(fluids)
#if backend==u'?': backend = u'HEOS'
# # TODO: Fix the backend extraction etc
# fluid_def = fluid_ref.split('::')
# if len(fluid_def)==2:
# backend = fluid_def[0]
# fluid = fluid_def[1]
# elif len(fluid_def)==1:
# backend = "HEOS"
# fluid = fluid_def[0]
# else:
# raise ValueError("This is not a valid fluid_ref string: {0:s}".format(str(fluid_ref)))
state = AbstractState(backend, '&'.join(fluids))
#state.set_mass_fractions(fractions)
return state
elif isinstance(fluid_ref, AbstractState):
return fluid_ref
raise TypeError("Invalid fluid_ref input, expected a string or an abstract state instance.")
def process_fluid_state(fluid_ref, fractions='mole'):
"""Check input for state object or fluid string
Parameters
----------
fluid_ref : str, CoolProp.AbstractState
fractions : str, switch to set mass, volu or mole fractions
Returns
-------
CoolProp.AbstractState
"""
# Process the fluid and set self._state
if is_string(fluid_ref):
backend, fluids = extract_backend(fluid_ref)
fluids, fractions = extract_fractions(fluids)
state = AbstractState(backend, '&'.join(fluids))
if len(fluids) > 1 and len(fluids) == len(fractions):
if fractions=='mass': state.set_mass_fractions(fractions)
elif fractions=='volu': state.set_volu_fractions(fractions)
else: state.set_mole_fractions(fractions)
return state
elif isinstance(fluid_ref, AbstractState):
return fluid_ref
raise TypeError("Invalid fluid_ref input, expected a string or an abstract state instance.")
def process_fluid_state(fluid_ref, fractions='mole'):
"""Check input for state object or fluid string
Parameters
----------
fluid_ref : str, CoolProp.AbstractState
fractions : str, switch to set mass, volu or mole fractions
Returns
-------
CoolProp.AbstractState
"""
# Process the fluid and set self._state
if is_string(fluid_ref):
backend, fluids = extract_backend(fluid_ref)
fluids, fractions = extract_fractions(fluids)
state = AbstractState(backend, '&'.join(fluids))
if len(fluids) > 1 and len(fluids) == len(fractions):
if fractions == 'mass': state.set_mass_fractions(fractions)
elif fractions == 'volu': state.set_volu_fractions(fractions)
else: state.set_mole_fractions(fractions)
return state
elif isinstance(fluid_ref, AbstractState):
return fluid_ref
raise TypeError(
"Invalid fluid_ref input, expected a string or an abstract state instance."
)
