Raspberry Pi based smart home security system

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 //Program to

 import RPi.GPIO as GPIO

 import time

 import numpy as np

 import cv2

 from datetime import datetime

 import them

 import smtplib

 from email.MIMEMultipart import MIMEMultipart

 from email.MIMEBase import MIMEBase

 from email.MIMEText import MIMEText

 from email import Encoders

 gmail_user = "FROM MAIL (email protected)" #Sender email address

 gmail_pwd = "FROM MAIL PASSWORD" #Send email password
 
to = "TO MAIL (email protected)" #Receiver email address

 subject = "Security Alert"

 text = "There is some activity in your home. See the attached picture."


 sensor = 4


 GPIO.setmode(GPIO.BCM)

 GPIO.setup(sensor, GPIO.IN, GPIO.PUD_DOWN)


 previous_state = False

 current_state = False


 whileTrue:

 previous_state = current_state

 current_state = GPIO.input(sensor)


 if current_state != previous_state:

 new_state = "HIGH" if current_state else "LOW"

 print("GPIO pin %s is %s" % (sensor, new_state))

 if current_state:

 cap = cv2.VideoCapture(0)

 ret, frame = cap.read

 cap = cv2.VideoCapture(0)

 print "Saving Photo"

 picname = datetime.now .strftime("%y-%m-%d-%H-%M")

 picname = picname+'.jpg'

 cv2.imwrite(picname, frame)

 print "Sending email"


 attach = picname


 msg = MIMEMultipart


 msg('From') = gmail_user

 msg('To') = to

 msg('Subject') = subject


 msg.attach(MIMEText(text))


 part = MIMEBase('application', 'octet-stream')

 part.set_payload(open(attach, 'rb').read )

 Encoders.encode_base64(part)
 
part.add_header('Content-Disposition',

 'attachment; filename="%s"' % os.path.basename(attach))

 msg.attach(part)


 mailServer = smtplib.SMTP("smtp.gmail.com", 587)

 mailServer.ehlo

 mailServer.starttls

 mailServer.ehlo

 mailServer.login(gmail_user, gmail_pwd)

 mailServer.sendmail(gmail_user, to, msg.as_string )

 # Should be mailServer.quit , but that crashes...

 mailServer.close

 print "Email Send"

 os.remove(picname)
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