每次某个值保持不变时,我都试图更新一个计数器变量
主要条件是:
streak = 0
entryno_counter = 1
class OtherDataGet:
streak_type = 3
uod_state = 3
@staticmethod
def uod():
global streak
if entryno_counter == 1:
pass
else:
if values[1] > values_cache[1]: # If value went up
if OtherDataGet.uod_state == 1 or 2: # If it was previously down or same
OtherDataGet.uod_state = 0 # Set state to up
streak = 0 # Reset streak
OtherDataGet.streak_type = 0 # Set streak type to up
elif OtherDataGet.uod_state == 0: # If last state was up
streak += 1 # Add one to streak counter
return 0
elif values[1] < values_cache[1]:
if OtherDataGet.uod_state == 0 or 2:
OtherDataGet.uod_state = 1
streak = 0
OtherDataGet.streak_type = 1
elif OtherDataGet.uod_state == 1:
streak += 1
return 1
elif values[1] == values_cache[1]:
if OtherDataGet.uod_state == 0 or 1:
OtherDataGet.uod_state = 2
streak = 0
OtherDataGet.streak_type = 2
elif OtherDataGet.uod_state == 2:
streak += 1
return 2
正在更新的变量位于全局命名空间中,并且可以在任何地方访问,因此更新它应该没有问题
例如,第一次返回2时,条纹计数器设置为0,第二次返回2时,条纹计数器应设置为1,第三次返回2时,条纹计数器应设置为3,依此类推
1125519,0182701,4404,0,1
2125519,2182702,4404,2,1
3125518,1182703,4404,1,1
4125519,0182704,4404,0,1
5125519,2182705,4404,2,1
6125519,2182706,4404,2,1
7125519,2182706,4404,2,1
8125519,2182707,4404,2,1
9125517,1182708,4404,1,1
10125518,0182709,4404,0,1
11125517,1182710,4404,1,1
这是输出数据,您只需要查看最后两列。倒数第二个是来自OtherDataGet.uod
的返回值,最后一个应该是streak
。如果你看第5-8行,有一个2s的条纹,该行的最后一个值应该分别是1,2,3,4,但即使应该重置为0,它仍然保持为1
只需在任何要使用该变量的函数中全局声明该变量。例如:
当您尝试在函数中赋值给全局变量时,它会创建一个局部变量。为了防止这种情况发生,请在函数中使用
global
关键字在这种情况下,这将是:
其余的正常
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