我希望能在Python中从FTP下载多个文件。当我只下载一个文件时,我的代码可以运行,但是当我想下载多个文件时就不起作用了!
import urllib
urllib.urlretrieve('ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_package/00/00/PMC1790863.tar.gz', 'file1.tar.gz')
urllib.urlretrieve('ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_package/00/00/PMC2329613.tar.gz', 'file2.tar.gz')
一个错误提示:
Traceback (most recent call last):
File "/home/ehsan/dev_center/bigADEVS-bknd/daemons/crawler/ftp_oa_crawler.py", line 3, in <module>
urllib.urlretrieve('ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_package/00/00/PMC2329613.tar.gz', 'file2.tar.gz')
File "/usr/lib/python2.7/urllib.py", line 98, in urlretrieve
return opener.retrieve(url, filename, reporthook, data)
File "/usr/lib/python2.7/urllib.py", line 245, in retrieve
fp = self.open(url, data)
File "/usr/lib/python2.7/urllib.py", line 213, in open
return getattr(self, name)(url)
File "/usr/lib/python2.7/urllib.py", line 558, in open_ftp
(fp, retrlen) = self.ftpcache[key].retrfile(file, type)
File "/usr/lib/python2.7/urllib.py", line 906, in retrfile
conn, retrlen = self.ftp.ntransfercmd(cmd)
File "/usr/lib/python2.7/ftplib.py", line 334, in ntransfercmd
host, port = self.makepasv()
File "/usr/lib/python2.7/ftplib.py", line 312, in makepasv
host, port = parse227(self.sendcmd('PASV'))
File "/usr/lib/python2.7/ftplib.py", line 830, in parse227
raise error_reply, resp
IOError: [Errno ftp error] 200 Type set to I
我应该怎么做?
ftplib
吗? - Sam Chats