python 自动抓取网页新闻以及图片并存储到数据库中

爱被打了一巴掌 2022-05-24 06:16 265阅读 0赞

详细参考：[https://www.yuhuashi.info/post/97.html][https_www.yuhuashi.info_post_97.html]

下面就是Python 监控Oracle alert log的脚本，经过测试可用！  
\#coding=UTF-8  
\#引用下面3个模块  
import io  
import datetime  
import time  
import traceback  
  
DayList=\['Sun','Mon','Tue','Wed','Thu','Fri','Sat'\] \#日期  
KeyWordList=\['ORA-','Error','Starting ORACLE instance','Shutting down instance','Archived'\] \#定义错误类型  
SkipOldEventMinutes=5  \#定义时间间隔  
AlertLogFile=r'/u01/app/oracle/diag/rdbms/orcl/orcl/trace/alert\_orcl.log' \#日志绝对路径  
SkipOldEventDateTimeDelta=datetime.timedelta(minutes=SkipOldEventMinutes)  \#定义时间格式:0:05:00  
EventDate=datetime.datetime(1, 1, 1, 0, 0) \#日期显示格式0001-01-01 00:00:00  
  
try:  
   with io.open(AlertLogFile,mode='r') as f:  
        while True:  
                line=f.readline()  
                if len(line)>3 and line\[0:3\] in DayList:  
                        EventDate=datetime.datetime.strptime(line.rstrip('\\n'), '%a %b %d %H:%M:%S %Y')  
                        if EventDate<datetime.datetime.now():  
                                continue  
                elif len(line) > 3:  
                        if EventDate < datetime.datetime.now()-SkipOldEventDateTimeDelta:  
                            for w in KeyWordList:  
                                if w in line:  
                                     print('\[%s\] %s' % (EventDate, line.rstrip('\\n')))  
                            continue  
                elif len(line) == 0:  
                        time.sleep(0.5)  
                else:  
                        continue  
except:  
     print(traceback.format\_exc())

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