58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
# to test change iterable (adding items) while iterating
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class Notif:
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def __init__(self,time):
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self.time = time
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open_orders = []
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for i in range(1,10):
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open_orders.append(Notif(i))
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print("cele pole objektu",open_orders)
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# Here, 'reversed' returns a lazy iterator, so it's performant! reversed(l):
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#musi fungovat removing stare a pridavani novych
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#this list contains all not processed notification, that we try to process during this iteration
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#if time is not right we leave the message for next iter
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#if time is right we process the message (- note it can trigger additional open_orders, that are added to queue)
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def process_message(notif: Notif):
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global open_orders
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if notif.time % 2 == 0 and notif.time < 300:
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open_orders.append(Notif(notif.time+50))
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todel = []
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for i in open_orders:
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print("*******start iterace polozky", i.time)
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process_message(i)
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print("removing element",i.time)
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todel.append(i)
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print("*****konec iterace", i.time)
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print()
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print("to del", todel)
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#removing processed from the list
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for i in todel:
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open_orders.remove(i)
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print("cely list po skonceni vseho")
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for i in open_orders: print(i.time)
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""""
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pred iteraci se zavola synchroné
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EXECUTE open orders(time)
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- pokusi se vytvorit vsechny otevrene ordery do daneho casu (casu dalsi iterace)
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- podporuje i volani callbacku a to vcetne pokynu vytvoreneho z pokynu
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- tento novy pokyn muze byt i take exekuovan pokud se vcetne roundtripu vejde do daneho casu
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pripadne soucasne vytvoreni i exekuci pokynu
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"""
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