python实时读取docker日志，并触发event

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import sys
import time
import datetime
import os
import re

def read_log(f):
while True:
logfile = os.popen(f)
while True:
new_line = logfile.readline()
if new_line:
yield new_line
else:
time.sleep(1)
logfile.close()
break

def find_place_order(line):
match = re.search("shangpin!saveSp.action", line)
if match:
print("place order.")
return True
return False




def monitor(filename):
log = read_log(filename)
for line in log:
if find_place_order(line):
# The event is triggered
print("-- The event is triggered")

monitor("docker logs -f --tail=0 iios-nginx")

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