python-url download code

import urllib2
import os
url = ('')
file_name = url.split('/')[-1]
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
print "Downloading: %s Bytes: %s" % (file_name, file_size)

file_size_dl = 0
block_sz = 8192
while True:
    buffer = u.read(block_sz)
    if not buffer:
        break

    file_size_dl += len(buffer)
    f.write(buffer)
    status = r"%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
    status = status + chr(8)*(len(status)+1)
    print status,

f.close()

python-telnet code

import telnetlib

print("beta version:1,date:2016/5/22")
x = raw_input(">>> Input Host IP to test: ")
y = raw_input(">>> Input Port to test: ")
tn = telnetlib.Telnet(x, y)
tn.write(b"ipconfig\n")
tn.write(b"exit\n")
print("test is ok~~~~~~~~~~\n"+tn.read_all().decode('ascii'))
try:
    input("Press enter to continue")
except SyntaxError:
    pass