擅长:python、mysql、java
<p>你能传入一个mmap()的文件吗?这样可以自动分页文件所需的部分,避免内存溢出。当然,如果<code>expat</code>构建了一个解析树,它可能仍然会耗尽内存。在</p>
<p><a href="http://docs.python.org/library/mmap.html" rel="nofollow noreferrer">http://docs.python.org/library/mmap.html</a></p>
<blockquote>
<p>Memory-mapped file objects behave like both strings and like file objects. Unlike normal string objects, however, these are mutable. You can use mmap objects in most places where strings are expected; for example, you can use the re module to search through a memory-mapped file. </p>
</blockquote>