擅长:python、mysql、java
<p>在<code>urlopen</code>调用中,尝试设置<code>retries=False</code>或<code>retries=1</code>以查看差异。默认值是<code>3</code>,这听起来很合理。</p>
<p><a href="http://urllib3.readthedocs.org/en/latest/pools.html#urllib3.connectionpool.HTTPConnectionPool.urlopen" rel="nofollow">http://urllib3.readthedocs.org/en/latest/pools.html#urllib3.connectionpool.HTTPConnectionPool.urlopen</a></p>