如何解决python请求的正则表达式
嗨，我正在寻找一种创建函数的解决方案，该函数可返回带有下一个结构的词典列表
示例：
example_dict = {"host":"146.204.224.152","user_name":"feest6811","time":"21/Jun/2019:15:45:24 -0700","request":"POST /incentivize HTTP/1.1"}
数据如下：
146.204.224.152 - feest6811 [21/Jun/2019:15:45:24 -0700] "POST /incentivize HTTP/1.1" 302 4622
197.109.77.178 - kertzmann3129 [21/Jun/2019:15:45:25 -0700] "DELETE /virtual/solutions/target/web+services HTTP/2.0" 203 26554
156.127.178.177 - okuneva5222 [21/Jun/2019:15:45:27 -0700] "DELETE /interactive/transparent/niches/revolutionize HTTP/1.1" 416 14701
*Keeps going more entries...*
我的功能如下：
import re
def logs():
with open("assets/logdata.txt","r") as file:
logdata = file.read()
pattern="""
(?P<host>.[\d.]*\s?) #host
(?P<user_name>[\s\w-]*\s?) #user_name
(?P<time>[\w\/\:\.\[\s-]*[\]\s]) #time
(?P<request>[\w\/\"\s.]*"?) #request"""
group=[]
for item in re.finditer(pattern,logdata,re.VERBOSE):
group.append(item.groupdict())
return group
raise NotImplementedError()
然后重新调谐如下内容：
[{'host': '146.204.224.152 ','user_name': '- feest6811 ','time': '[21/Jun/2019:15:45:24 -0700]','request': ' "POST /incentivize HTTP/1.1" 302 4622\n197.109.77.178 '},{'host': '- ','user_name': 'kertzmann3129 ','time': '[21/Jun/2019:15:45:25 -0700]','request': ' "DELETE /virtual/solutions/target/web'},{'host': '+','user_name': 'services','time': ' ','request': 'HTTP/2.0" 203 26554\n156.127.178.177 '}]
我可以更改些什么以解决此错误？
解决方法
您可以尝试使用正则表达式。
(?P<host>[\d.]+)(?:\s*-\s*)(?P<user_name>\w+)(?:\s*\[)(?P<time>.*?)(?:\])(?:\s*)(?P<request>\".*?\")
尝试一下：
pattern="""
(?P<host>\d{1,3}(?:\.\d{1,3}){3})\s-\s #host (IPv4 only)
(?P<user_name>[\s\w-]*)\s? #user_name
\[(?P<time>[\w\/\:\.\s-]*)\]\s? #time
"(?P<request>.*?)"\s? #request
(?P<code>\d{3})\s? #response code
(?P<bytes>\d+)\s? #bytes sent or received
"""
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