#Please change the file extenstion from '.txt' to '.py'

#import libraries
import urllib2, sys

#print information about author
print \
"""
---------------------------------
  File Download Utility (Beta)      
  Author:  Nav Benipal                
  Email:   desireofstars@yahoo.com        
---------------------------------
"""

#set Error to 0
Error = 0

#try to execute the following instructions
try:
	#Get File Name and URL from first command Line Argument
	FileName = sys.argv[1]
	URLName = sys.argv[1]	

	#check whether 'http://' is supplied or not
	try:
		IndexOfHttp = URLName.index("http://")
			
	except ValueError:
		URLName = "http://" + URLName


	#get URL and normalize it
	FileName = FileName.replace("http://","")
	FileName = FileName.replace("/","")
	FileName = FileName.replace("\\","")
	FileName = FileName.replace("?","")
	FileName = FileName.replace("@","")

	#Check the mode
	#Mode - Text('default') or Binary (if third command line argument is 'b')
	Mode  =  ""
	if len(sys.argv) >= 3:
		Mode = sys.argv[2]

	#Print a message
	print "Trying to Download " + sys.argv[1]

	#Create/Open file in respective mode
	if Mode == "b":
		fHandle = open((FileName.strip()+".txt"),'w+b')
	else:
		fHandle = open((FileName.strip()+".txt"),'w')

	#try to download the file
	try:
		for line in urllib2.urlopen(URLName):
			fHandle.write(line)
	except:
		Error = 1
		print "Error: Please Check your URL."

#Catch if something went wrong and print the usage
except:
	print "Usage: FetchIt URL [mode]\n"
	print "Mode: "
	print "  b       - binary"
	print "  default - text"
	Error = 2

if Error == 0:
	print "Downloading complete."
elif Error == 1:
	print "Unable to Download."
else:
	pass