67e17220f06c98c9a9a5168751b9df28913559fc,aletheia/stegosim.py,,_embed,#Any#Any#Any#,15

Before Change

    m_code+="exit"

    p=os.popen(M_BIN+" \""+m_code+"\"")
    p.read()
    os.chdir(cwd)

    data=loadmat(X_path)
    shutil.rmtree(tmpdir)

After Change

    m_code=""
    m_code+="cd "+tmpdir+";"
    m_code+="addpath(""+m_path+"");"
    m_code+="warning("off");"
    m_code+="pkg load image;"

    if sim=="wow":
        m_code+="X=WOW(""+path+"","+payload+");"
    elif sim=="hugo":
        m_code+="X=HUGO(""+path+"","+payload+");"
    elif sim=="s_uniward":
        m_code+="X=S_UNIWARD(""+path+"","+payload+");"

    m_code+="save("-mat7-binary", ""+X_path+"","X");"
    m_code+="exit"

    p=subprocess.Popen(M_BIN+" \""+m_code+"\"", shell=True)
    output, err = p.communicate()
    status = p.wait()

    data=loadmat(X_path)
    shutil.rmtree(tmpdir)

Instances