# All perpose file converter
# Bobby Clarke 2012
# GNU General Public License 3.0

import easygui
import sys
import os

def removeExtention(filename):
    newname = ""

    for char in filename:
        if char == ".":
            break

        else:
            newname += char

    return newname

def get_dir(files = True):
        """Get the directory the program is in, have True as a parameter to get a list of the files within said directory"""

        selfdir = os.path.dirname(sys.argv[0])

        if files:
            return os.listdir(selfdir)
        else:
            return selfdir

def convert(filename, newExtention):
    file = open(filename , "rb")
    writefile = open(removeExtention(filename) + newExtention, "wb")

    writefile.write(file.read())

    file.close()
    writefile.close()

def main():
    question = "Which file do you wish to covert?"
    title = "Universal File Converter"
    newExtention = ""

    filename = easygui.choicebox(question, title,  get_dir())

    if filename is None:
        sys.exit()

    while not newExtention:
        newExtention = easygui.enterbox("New file extention (eg .png, .txt)")

        if newExtention is None:
            sys.exit()

    convert(filename, newExtention)

if __name__ == "__main__":
    main()