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View Code? Open in Web Editor NEW《python自动化运维:技术与最佳实践》书中示例及案例源码
《python自动化运维:技术与最佳实践》书中示例及案例源码
看了第一章,在centos7 python2.7.5上做,照着书上的代码敲,除了A记录那个脚本能有结果,其他都报错了:
#!/usr/bin/env python
# coding=utf-8
import dns.resolver
domain = raw_input("Please input an domain: ")
MX = dns.resolver.query(domain,'MX')
for i in MX:
print("MX preference = ",i.preference,"mail exchange = ",i.exchange)
报错如下:
Traceback (most recent call last):
File "dnsMX.py", line 5, in <module>
MX = dns.resolver.query(domain,'MX')
File "/usr/lib/python2.7/site-packages/dns/resolver.py", line 1102, in query
lifetime)
File "/usr/lib/python2.7/site-packages/dns/resolver.py", line 992, in query
timeout = self._compute_timeout(start, lifetime)
File "/usr/lib/python2.7/site-packages/dns/resolver.py", line 799, in _compute_timeout
raise Timeout(timeout=duration)
dns.exception.Timeout: The DNS operation timed out after 30.0029888153 seconds
Traceback (most recent call last):
File "test.py", line 5, in
import smtplib
File "/usr/lib64/python2.6/smtplib.py", line 46, in
import email.utils
File "/tmp/email.py", line 5, in
from email.mime.multipart import MIMEMultipart
ImportError: No module named mime.multipart
在代码中使用:
A = dns.resolver.query(domain, 'A')
查询A记录,但实际上查询条件:'A' 无效,得到的结果集中包含CNAME记录,导致出现:
Please input an domain: www.baidu.com
Traceback (most recent call last):
File "aquery.py", line 9, in
print j.address
AttributeError: 'CNAME' object has no attribute 'address'
root@i-7n13qavy:/opt/soft/dnspython-1.9.4# vim aquery.py
异常。
执行环境:Python 2.7.3 , linux Ubuntu 12.04
期待得带你的回复
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