import pycurl
sftp_server = 'sftp://web.sourceforge.net'
c = pycurl.Curl()
c.setopt(c.URL, sftp_server)
c.setopt(c.VERBOSE, True)
def keyfunction(known_key, found_key, match):
return c.KHSTAT_FINE
c.setopt(c.SSH_KNOWNHOSTS, '.known_hosts')
c.setopt(c.SSH_KEYFUNCTION, keyfunction)
c.perform()