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+--- Thread: While Loop Variable Freezing? (/thread-32591.html)
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RE: While Loop Variable Freezing? - stylingpat - Feb-24-2021
Ok, you know how reqPnL works, it is constantly getting updated with new pnl ticks.
def pnl(self, reqId, dailyPnL, unrealizedPnL, realizedPnL):
super().pnl(reqId, dailyPnL, unrealizedPnL, realizedPnL)
self.pnl_summary = {"ReqId":reqId, "DailyPnL": dailyPnL, "UnrealizedPnL": unrealizedPnL, "RealizedPnL": realizedPnL}
print("unrealized PnL = ", self.pnl_summary["UnrealizedPnL"])
app.trigger = False
if app.pnl_summary["UnrealizedPnL"] < 200 and app.trigger == False:
app.trigger = True
print("Testing")
square_off(app)If my unrealizedPnL drops below 200, I want square_off(app) function to only run once, not every single time the unrealizedpnl ticks back again (every second) below 200. The above code does not work, it constantly loops square_off(app) every time the unrealizedPnL ticks again, under 200.
Can you adjust the code for me, so that the square_off function only runs once. Thank you
RE: While Loop Variable Freezing? - nilamo - Feb-24-2021
Move
app.trigger = False to the __init__ method, so it's set only once, when your program starts. Then never set it to False again, and square_off(app) won't be called more than once.
RE: While Loop Variable Freezing? - stylingpat - Feb-24-2021
(Feb-24-2021, 06:55 PM)nilamo Wrote: Moveapp.trigger = Falseto the __init__ method, so it's set only once, when your program starts. Then never set it to False again, andsquare_off(app)won't be called more than once.
Thank you so much! Seems to be working fine now in the post market. I'll keep testing this week!
RE: While Loop Variable Freezing? - Abdullah - Feb-25-2021
you needs static variable to know the value new target
Exampel :
class Exampel:
newvalue, staticvalue = None , None
def MULTIPLY(self, parm):
self.newvalue = parm
# here write your code
if __name__ == '__main__':
import random
exm = Exampel()
num = random.randint(1,100 )
while num:
num = random.randrange(1,100)
exm.MULTIPLY(num)
exm.staticvalue = 50
if(exm.newvalue != exm.staticvalue ) and ( not exm.newvalue < exm.staticvalue):
print(exm.newvalue)
elif exm.newvalue < exm.staticvalue:
print('exit')
break