This script will hide any text behind any file.

stego.py

# This script hide's text behind any media file like jpg file, mp3 file  ecetera.
# This script accepts two parameter for hiding text and one parameter for finding text.
# Please install steganography python library by - pip install steganography
# This script is compatible with python 2.7

from __future__ import absolute_import,unicode_literals
import argparse
from steganography.steganography import Steganography
parser=argparse.ArgumentParser()
parser.add_argument("--carrier",help="Give path of carrier file which will contain our text.")
parser.add_argument("--stego_text",help="Enter text to hide.")
parser.add_argument("--stego_find",help="Give path of image which contains hidden text.")
args=parser.parse_args()

# Function for hide the message
def hideText(carrier_path,secret_text):
    path=carrier_path
    output_path="stego.png"
    text=secret_text
    Steganography.encode(path,output_path,text)

# Function for finding and detecting steganography
def findText(steg_img):
    secret_text=Steganography.decode(steg_img)
    print "Hidden text found :: "+secret_text

if args.carrier:
    carrier_path=args.carrier
    if args.stego_text:
        secret_text=args.stego_text
    hideText(carrier_path,secret_text)

if args.stego_find:
    steg_img=args.stego_find
    findText(steg_img)