本文介绍了Python:从 FTP 服务器下载文件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!
问题描述
我正在尝试下载一些公共数据文件.我截屏以获取文件的链接,它们看起来都像这样:
I'm trying to download some public data files. I screenscrape to get the links to the files, which all look something like this:
ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/nhanes/2001-2002/L28POC_B.xpt
我在 Requests 库网站上找不到任何文档.p>
I can't find any documentation on the Requests library website.
推荐答案
requests
库不支持 ftp 链接.
requests
library doesn't support ftp links.
要从 FTP 服务器下载文件,您可以:
To download a file from FTP server you could:
import urllib
urllib.urlretrieve('ftp://server/path/to/file', 'file')
# if you need to pass credentials:
# urllib.urlretrieve('ftp://username:password@server/path/to/file', 'file')
或者:
import shutil
import urllib2
from contextlib import closing
with closing(urllib2.urlopen('ftp://server/path/to/file')) as r:
with open('file', 'wb') as f:
shutil.copyfileobj(r, f)
Python3:
import shutil
import urllib.request as request
from contextlib import closing
with closing(request.urlopen('ftp://server/path/to/file')) as r:
with open('file', 'wb') as f:
shutil.copyfileobj(r, f)
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