使用@Joran Beasley的答案，我想出了以下解决方案，它似乎有效：
def generateDicts(log_fh):
currentDict = {}
for line in log_fh:
if line.startswith(matchDate(line)):
if currentDict:
yield currentDict
currentDict = {"date":line.split("__")[0][:19],"type":line.split("-",5)[3],"text":line.split("-",5)[-1]}
else:
currentDict["text"] += line
yield currentDict
with open("/Users/stevenlevey/Documents/out_folder/out_loyalty@R_450_2419@/log_CardsReport_20150522164636.logs") as f:
listNew= list(generateDicts(f))
def matchDate(line):
matchThis = ""
matched = re.match(r'\d\d\d\d-\d\d-\d\d\ \d\d:\d\d:\d\d',line)
if matched:
#matches a date and adds it to matchThis
matchThis = matched.group()
else:
matchThis = "NONE"
return matchThis
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