我有以下功能邏輯。
def funct(arg):
...
return result_list
param_list = ['param1','param2']
for my_arg in param_list
my_results = funct(my_arg)
如何獲得在兩個引數上運行函式的完整結果串列?有沒有更好的方法來組織這個?
按照我嘗試應用該邏輯購買的答案之一,我沒有得到預期的結果:
from pythonping import ping
from log_class import NetddLog
def ip_probe(ip, ip_probe_logger, ipsl):
def ping_ip():
try:
ip_probe_logger.info(f"Pinging {ip} started")
result = ping(ip, count=5, df=True, payload='64')
ip_probe_logger.info(f"Pinging {ip} succeded")
except Exception as err:
ip_probe_logger.error(f"Pinging {ip} failed {err}")
def trace_ip():
#function for traceroute
pass
ping_ip()
#trace_ip()
log_contents = ip_probe_logger.log_capture_string.getvalue()
ipsl.append(log_contents)
return ipsl
if __name__ == "__main__":
ipsl = ['Start']
ip_probe_logger = NetddLog("IP_PROBE", level="INFO")
ip_list = ["192.168.255.68", "192.168.254.108"]
for ip in ip_list:
ipsl.extend(ip_probe(ip, ip_probe_logger, ipsl))
print('')
for log_item in ipsl:
print(log_item.rstrip())
我得到了一個重復很多次的結果,但我想要實作的是在第一個“開始”專案之后將每個單獨的 ping 結果添加到 IPSL 串列中。
Start
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
Start
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:12:48,772|IP_PROBE|INFO: Pinging 192.168.254.108 started
2022-03-24 01:12:49,078|IP_PROBE|INFO: Pinging 192.168.254.108 succeded
Start
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
Start
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:12:48,444|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:12:48,770|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:12:48,772|IP_PROBE|INFO: Pinging 192.168.254.108 started
2022-03-24 01:12:49,078|IP_PROBE|INFO: Pinging 192.168.254.108 succeded
通過將 for 回圈的主體更改為:ip_probe(ip, ip_probe_logger, ipsl)
我仍然得到重復,可能是因為第二個函式回傳。
Start
2022-03-24 01:22:32,829|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:22:33,235|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:22:32,829|IP_PROBE|INFO: Pinging 192.168.255.68 started
2022-03-24 01:22:33,235|IP_PROBE|INFO: Pinging 192.168.255.68 succeded
2022-03-24 01:22:33,236|IP_PROBE|INFO: Pinging 192.168.254.108 started
2022-03-24 01:22:33,504|IP_PROBE|INFO: Pinging 192.168.254.108 succeded
uj5u.com熱心網友回復:
列一個清單,并在my_results每次通話時擴展它。
my_results = []
for my_arg in param_list
my_results.extend(funct(my_arg))
uj5u.com熱心網友回復:
如果您想要一條訊息,請創建一個將輸入映射到輸出的字典并一次打包
當心非常大的字典可能會很麻煩,您可能想要截斷它、對其進行 base64 編碼或做其他作業以減小結果大小
results = {}
for my_arg in param_list
results[my_arg] = funct(my_arg)
logger.info(f"results mapping: {results}")
uj5u.com熱心網友回復:
這是一種罕見的情況,您可能實際上需要生成器委托,這可以使您的函式更加高效(因為它們可以避免創建中間串列,這些串列只會被丟棄)
def funct(input_value):
for result in some_source(input_value):
yield result
def funct_wrapper(input_values):
for input_value in input_values:
yield from funct(input_value)
收集并使用結果,將它們添加到某個集合中以供稍后顯示
uj5u.com熱心網友回復:
將 my_results 設為串列并為每次迭代附加或擴展它。這是一個例子:
def funct(arg):
....
return result_list
my_results=[]
param_list = ['param1','param2']
for my_arg in param_list:
my_results.append(funct(my_arg))
# print(my_results)
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