Detection movement and sending email via gmail

camera

import picamera
import time
import RPi.GPIO as GPIO
from datetime import datetime
import smtplib
from os.path import basename
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart

#send e-mail via gmail
def send_mail(send_from, password, send_to, send_to_hidden, subject, file_name):
    msg = MIMEMultipart()
    msg['From'] = send_from
    msg['To'] = send_to
    msg['Subject'] = subject

    with open(file_name, "rb") as fil:
        part = MIMEApplication(
            fil.read(),
            Name=basename(file_name)
        )
        part['Content-Disposition'] = 'attachment; filename="%s"' % basename(file_name)
        msg.attach(part)


    smtp = smtplib.SMTP('smtp.gmail.com', 587)
    smtp.starttls()
    smtp.login(send_from, password)
    smtp.sendmail(send_from, [send_to] + [send_to_hidden], msg.as_string())
    smtp.quit()


### main block ###	
	
#number of GPIO on board
sensor = 4

GPIO.setmode(GPIO.BCM)
GPIO.setup(sensor, GPIO.IN)

delay_sec = 60
mark_time = time.time()
cur_state = 0

while True:
    time.sleep(1)
    cur_state = GPIO.input(sensor)
    print(cur_state)
    if cur_state == 1:
        if time.time() - mark_time > delay_sec:
            delay_sec = 10
            msg = "Some movement. Time: {0}".format(str(datetime.now())[:-7])
            print(msg)
            mark_time = time.time()

            with picamera.PiCamera() as camera:
                #photo
                camera.resolution = (1280, 720)
                time.sleep(1)
                filename = '/home/pi/Desktop/Pictures/%s.jpg' % str(datetime.now())
                camera.capture(filename)

                #send email
                send_mail('my_email@gmail.com',
                          'mypass',
                          'first_email@gmail.com',
                          'second_email@gmail.com',
                          str(datetime.now()),
                          filename)

                #video
                # filename = '/home/pi/Desktop/Pictures/%s.h264' % str(datetime.now())
                # camera.start_recording(filename)
                # time.sleep(5)
                # camera.stop_recording()