Get Size of Download using HTTP HEAD

Get the size of a download using an HTTP HEAD request.

Download Chilkat Python Library

import sys
import chilkat

http = chilkat.CkHttp()

#  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial.")
if (success != True):
    print http.lastErrorText()
    sys.exit()

resp = http.GetHead("http://www.chilkatsoft.com/download/ChilkatDotNet2.msi")
if (resp == None ):
    print http.lastErrorText()
else:

    sizeStr = resp.getHeaderField("Content-Length")
    if (sizeStr == None ):
        print "No content-length header field"
    else:
        #  Show the size of the file.
        #  You may convert the size string to an integer...
        print sizeStr