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from collections import defaultdict
import datetime
import pickle
import os
from OMChem.Flowsheet import Flowsheet
from ComponentSelector import *
from Graphics import *
class Container():
def __init__(self,msgbrowser, graphicsView):
self.unit_operations = []
self.thermo_package = None
self.compounds = None
self.flowsheet = None
self.conn = defaultdict(list)
self.op=defaultdict(list)
self.ip=defaultdict(list)
self.msg = msgbrowser
self.graphicsView = graphicsView
self.msg.setText("")
self.opl=[]
self.result=[]
self.graphics = Graphics(self.unit_operations, self.graphicsView)
self.scene = self.graphics.get_scene()
def current_time(self):
now = datetime.datetime.now()
time = str(now.hour) + ":" + str(now.minute) + ":" +str(now.second)
return time
def add_unit_operation(self, obj):
box = None
self.obj = obj
self.scene = self.graphics.get_scene()
box = self.graphics.create_node_item(self.obj, self)
if box is not None:
self.scene.addItem(box)
box.setPos(2500-30, 2500-30)
if(obj in self.unit_operations):
pass
else:
self.unit_operations.append(obj)
data = self.unit_operations[:]
data.append(compound_selected)
push('Undo', data)
self.msg.append("<span style=\"color:blue\">["+str(self.current_time())+"]<b> "+obj.name+" </b>is instantiated .""</span>")
'''
Deletes the selected item from the canvas and also the objects created for that type.
'''
def delete(self,l):
for item in l:
self.scene.removeItem(item)
for i in dock_widget_lst:
if i.name == item.name:
i.hide()
del i
break
if hasattr(item,'input'):
for x in item.input:
if x.new_line:
self.scene.removeItem(x.new_line)
del x.new_line
if x.other_line:
self.scene.removeItem(x.other_line)
del x.other_line
if hasattr(item,'output'):
for x in item.output:
if x.new_line:
self.scene.removeItem(x.new_line)
del x.new_line
if x.other_line:
self.scene.removeItem(x.other_line)
del x.other_line
if hasattr(item,'obj'):
self.unit_operations.remove(item.obj)
for k in list(self.conn):
if item.obj==k:
del self.conn[k]
elif item.obj in self.conn[k]:
self.conn[k].remove(item.obj)
self.msg.append("<span style=\"color:blue\">["+str(self.current_time())+"]<b> "+item.obj.name+" </b>is deleted .""</span>")
del item.obj
del item
clean_file('Redo')
data = self.unit_operations[:]
data.append(compound_selected)
push('Undo', data)
def fetch_object(self,name):
for i in self.unit_operations:
if(i.name==name):
return i
def add_compounds(self,comp):
self.compounds = comp
def update_compounds(self):
self.graphics.update_compounds()
def add_thermo_package(self,thermo):
self.thermo_package = thermo
def msg_browser(self):
std = self.flowsheet.stdout.decode("utf-8")
if(std):
stdout = str(std)
stdout = stdout.replace("\n","<br/>")
self.msg.append("<span style=\"color:green\">"+stdout+"</span>")
stde = self.flowsheet.stderr.decode("utf-8")
if(stde):
stdout = str(stde)
stdout = stdout.replace("\n","<br/>")
self.msg.append("<span style=\"color:red\">"+stdout+"</span>")
def simulate(self,mode):
self.graphicsView.parent().parent().menubar.setProperty('enabled',False)
self.graphicsView.parent().parent().toolBar.setProperty('enabled',False)
self.graphicsView.parent().parent().dockWidget.setProperty('enabled',False)
self.graphicsView.setInteractive(False)
QApplication.instance().setOverrideCursor(QCursor(Qt.WaitCursor))
for i in self.graphics.scene.items():
if (isinstance(i, NodeItem)):
try:
i.dock_widget.clear_results()
except AttributeError:
pass
#print("SIMULATE")
#print(mode)
self.compounds = compound_selected
self.flowsheet = Flowsheet()
self.flowsheet.add_compound_list([c[:c.index('(')] for c in self.compounds])
#print("######## connection master#########\n",self.conn)
for i in self.unit_operations :
self.flowsheet.add_unit_operations(i)
if mode=='SM':
self.msg.append("<span>["+str(self.current_time())+"] Simulating in <b>Sequential</b> mode ... </span>")
self.flowsheet.simulate_SM(self.ip,self.op)
self.msg_browser()
self.result=self.flowsheet.result_data
elif mode=='EQN':
self.msg.append("<span>["+str(self.current_time())+"] Simulating in <b>equation</b> mode ... </span>")
self.flowsheet.simulate_EQN()
self.result=self.flowsheet.result_data
if(len(self.result)== 4):
#self.msg_browser()
self.msg.append("<span style=\"color:green\">["+str(self.current_time())+"] Simulation <b>Successful.</b></span>")
else:
self.msg.append("<span style=\"color:red\">["+str(self.current_time())+"] Simulation <b>Failed.</b></span>")
#print("under Eqn mode simulation")
if(len(self.result)== 4):
DockWidget.show_result(NodeItem.get_dock_widget())
for i in self.graphics.scene.items():
if (isinstance(i, NodeItem) and i.type == 'MaterialStream'):
i.update_tooltip_selectedVar()
no_input_lines = len(i.input[0].in_lines)
no_output_lines = len(i.output[0].out_lines)
if(no_input_lines>0): #Checks if material stream is input or output stream if it is output stream it continues
i.obj.disableInputDataTab(i.dock_widget)
self.graphicsView.parent().parent().menubar.setProperty('enabled',True)
self.graphicsView.parent().parent().toolBar.setProperty('enabled',True)
self.graphicsView.parent().parent().dockWidget.setProperty('enabled',True)
self.graphicsView.setInteractive(True)
QApplication.instance().restoreOverrideCursor()
QApplication.instance().setOverrideCursor(QCursor(Qt.ArrowCursor))
def flat_list(lst):
flat_lst=[]
for sublist in lst:
for item in sublist:
flat_lst.append(item)
return flat_lst
def push(file_name, data):
with open(f"{file_name}.dat", "ab") as obj:
pickle.dump(data, obj)
def clean_file(file_name):
with open(f"{file_name}.dat", "wb") as clean:
pass
def pop(file_name):
last_command = None
if os.stat(f"{file_name}.dat").st_size != 0:
commands = []
with open(f"{file_name}.dat", "rb") as objs:
while True:
try:
command = pickle.load(objs)
commands.append(command)
except EOFError:
break
last_command = commands[-1]
commands.remove(commands[-1])
if len(commands) != 0:
with open(f"{file_name}.dat", "wb") as updated_data:
for i in range(len(commands)):
pickle.dump(commands[i], updated_data)
else:
clean_file(file_name)
return last_command
def get_last_list(file_name):
commands = []
if os.stat(f"{file_name}.dat").st_size != 0:
with open(f"{file_name}.dat", "rb") as objs:
while True:
try:
command = pickle.load(objs)
commands.append(command)
except EOFError:
break
if len(commands) is not 0:
return commands[-1]
else:
return None
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