@celery.task(name='app.processSPP')
def processSPP(selevation,a,c,resEmail):
    command='rnx2rtkp -p 0 -m '+selevation+' -n -o oout.pos '+a+' '+c
    os.system(command)
    os.remove(a)
    os.remove(c)
    return resEmail

@celery.task(name='app.emailfile')
def emailfile(recipientemail):
    email_user = ''
    email_password = ''


    subject = 'subject'
    msg = MIMEMultipart()
    msg['From'] = email_user
    msg['To'] = recipientemail
    msg['Subject'] = subject

    body = 'This is your Post-Processed position file'
    msg.attach(MIMEText(body,'plain'))

    filename='oout.pos'
    attachment  =open(filename,'rb')

    part = MIMEBase('application','octet-stream')
    part.set_payload((attachment).read())
    encoders.encode_base64(part)
    part.add_header('Content-Disposition',"attachment; filename= "+filename)

    msg.attach(part)
    text = msg.as_string()

    server = smtplib.SMTP('smtp.gmail.com',587)
    server.starttls()
    server.login(email_user,email_password)

    server.sendmail(email_user,recipientemail,text)
    server.quit()

    #This is where I'm trying to delete the processed file
    os.remove(filename)
    return 'Email has been successfully sent'

@app.route('/SPP.php', methods=['GET', 'POST'])
def SPP():
    SPP = My2Form()
    if SPP.validate_on_submit():
        target = os.path.join(APP_ROOT)
        print(target)
        ALLOWED_EXTENSIONS = set(['pdf'])

        for sfileObsRover in request.files.getlist("sfileObsRover"):
            print(sfileObsRover)
            filename = sfileObsRover.filename
            destination = "/".join([target, filename])
            print(destination)
            sfileObsRover.save(destination)

        for sfileNavRover in request.files.getlist("sfileNavRover"):
            print(sfileNavRover)
            filename = sfileNavRover.filename
            destination = "/".join([target, filename])
            print(destination)
            sfileNavRover.save(destination)

            a=sfileObsRover.filename
            c=sfileNavRover.filename
            selevation=str(SPP.sema.data)
            sFreq=SPP.sfrq.data
            emailAdd=SPP.semail.data

#This is where I'm calling defined celery functions
            processSPP.apply_async((selevation,a,c,emailAdd), link=emailfile.s())

            return render_template('results.html', email=emailAdd, Name=SPP.sName.data, ema=selevation, frq=sFreq, pmode='Single Point Positioning')
    return render_template('SPP.php',SPP=SPP)