擅长:python、mysql、java
<p>使用内存映射文件(<a href="http://docs.python.org/2/library/mmap.html" rel="nofollow">^{<cd1>}</a>)怎么样?在<a href="http://docs.python.org/2/library/mmap.html" rel="nofollow">documentation on python.org</a>中有一个很好的例子。它改编如下。在</p>
<pre><code>with open(f, "rb") as fi:
# memory-map the file, size 0 means whole file
mm = mmap.mmap(fi.fileno(), 0)
# Do stuff
mm.close()
</code></pre>