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Why am I getting an AttributeError when trying to print out(转载)

2016-05-10 18:13 459 查看

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I am learning about urllib2 by following this tutorial http://docs.python.org/howto/urllib2.html#urlerrorRunning
the code below yields a different outcome from the tutorial

import urllib2

req = urllib2.Request('http://www.pretend-o-server.org')
try:
urllib2.urlopen(req)
except urllib2.URLError, e:
print e.reason

Python interpreter spits this back

Traceback (most recent call last):
File "urlerror.py", line 8, in <module>
print e.reason
AttributeError: 'HTTPError' object has no attribute 'reason'

How come this is happening?

UPDATE

When I try to print out the code attribute it works fine

import urllib2

req = urllib2.Request('http://www.pretend-o-server.org')
try:
urllib2.urlopen(req)
except urllib2.URLError, e:
print e.code

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