generator_parse_log.py

#Parse a log and yield ONLY one line
def parse_log(path):
  with open("logfile.txt") as myfile:
    res = myfile.readlines()
    for line in res:
      yield line

#generator pipeline
stream = parse_log("logfile.txt") # step 1
split_it = (line.split() for line in stream) #step 2
#step 3

###To Test
### In [16]: stream = parse_log("logfile.txt")
### split_it = (line.split() for line in stream)
### next(split_it)