def new_flow(self, flow=None, name=None, cas=None, quantity=None, comment=None, compartment=None):
if flow is None:
name = name or input('Enter flow name: ')
cas = cas or ifinput('Enter CAS number (or none): ', '')
print('Choose reference quantity or none to create new: ')
if quantity is None:
q = pick_one(self.flow_properties)
if q is None:
q = self.new_quantity()
quantity = q
comment = comment or input('Enter flow comment: ')
if compartment is None:
print('Choose compartment:')
compartment = pick_compartment(self.db.compartments).to_list()
flow = LcFlow.new(name, quantity, CasNumber=cas, Compartment=compartment, Comment=comment)
# flow.add_characterization(q, reference=True)
else:
quantity = flow.reference_entity
self._catalog[0].add(flow)
flow.profile()
while ifinput('Add characterizations for this flow? y/n', 'n') != 'n':
ch = cyoa('[n]ew or [e]xisting quantity? ', 'en', 'e')
if ch == 'n':
cq = self.new_quantity()
else:
cq = pick_one(self[0].quantities())
if cq is None:
cq = self.new_quantity()
val = parse_math(input('Value (1 %s = x %s): ' % (quantity.unit(), cq.unit())))
flow.add_characterization(cq, value=val)
return flow
def create_fragment(self, parent=None, flow=None, direction=None, comment=None, value=None, balance=False,
**kwargs):
"""
:param parent:
:param flow:
:param direction:
:param comment:
:param value:
:param balance:
:param kwargs:
:return:
"""
if flow is None:
ch = cyoa('(N)ew flow or (S)earch for flow? ', 'ns')
if ch == 'n':
flow = self.new_flow()
elif ch == 's':
index = self.current_archive or select_archive(self)
elem = {'i': False,
'e': True,
'a': None}[cyoa('(I)ntermediate, (E)lementary, or (A)ll flows? ', 'aei', 'I').lower()]
flow = self.find_flow(None, index=index, elementary=elem)
if flow is None:
return None
flow = flow.entity()
else:
raise ValueError
print('Creating fragment with flow %s' % flow)
direction = direction or {'i': 'Input', 'o': 'Output'}[cyoa('flow is (I)nput or (O)utput?', 'IO').lower()]
comment = comment or ifinput('Enter FragmentFlow comment: ', '')
if parent is None:
# direction reversed for UX! user inputs direction w.r.t. fragment, not w.r.t. parent
if value is None:
value = 1.0
frag = self.new_fragment(flow, comp_dir(direction), Comment=comment, exchange_value=value, **kwargs)
else:
if parent.term.is_null:
self.terminate_to_foreground(parent)
if value is None:
val = ifinput('Exchange value (%s per %s): ' % (flow.unit(), parent.unit), '1.0')
if val == '1.0':
value = 1.0
else:
value = parse_math(val)
frag = self[0].add_child_fragment_flow(parent, flow, direction, Comment=comment, exchange_value=value,
**kwargs)
if balance:
frag.set_balance_flow()
self.traverse(parent)
if self.db.is_elementary(frag.flow):
self.terminate_to_foreground(frag)
return frag
def _update_ev(frag, scenario):
val = frag.exchange_value(scenario)
cur = str(val)
upd = ifinput('New value: ', cur)
if upd != cur:
new_val = parse_math(upd)
if new_val != val:
if scenario is None:
frag.reset_cache()
frag.cached_ev = new_val
else:
frag.set_exchange_value(scenario, new_val)
