远程服务器档案的大小通常由内容透镜头报告,但并不可靠。 有时,它失踪,有时被误报。 我不想完全依靠这一头盔来决定我的法典是否应下载URL。
是否有办法监测文档的大小,因为如果下载量超过最大规模,则予以下载并终止下载?
你可以做些什么是读到你想要的最高档案,然后检查一下是否还有更多的字眼阅读。 与此类似:
resp = urllib2.urlopen( http://www.google.com )
file_read = resp.read(max_wanted_size)
if resp.read(1) != :
#file is bigger than expected code
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