Save New Duplicate & Edit Just Text Twitter
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#!/usr/bin/python3.4

#Imports
import RPi.GPIO as GPIO
import time
import sys
import os
import os.path
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders
from flask import Flask
from flask import Flask,flash,redirect,render_template,request,session,abort

#Setup
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
#Red LED
GPIO.setup(21,GPIO.OUT)
#Green LED
GPIO.setup(17,GPIO.OUT)
#Button
GPIO.setup(18,GPIO.IN)
#PIR Sensor
sensor = 27
GPIO.setup(sensor, GPIO.IN)
#temp drivers
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')
temp_sensor = '/sys/bus/w1/devices/28-0000073b8bb3/w1_slave'
#Variables
current = 0
previous = 0
#flask
#app = Flask(__name__)

#@app.route('/')
#def home():
#    if not session.get('logged_in'):
#        return render_template('login.html')
#    else:
#        return "Welcome, you may start the program"

#@app.route('/login',methods =['POST'])
#def do_admin_login():
#    if request.form['password'] == '123' and request.form['username'] == 'admin':
#        session['logged_in'] = True
#    else:
#        flash('wrong password')
#    return home()
#if __name__ == "__main__":
#    app.secret_key = os.urandom(12)
#    app.run(debug=True,host ='0.0.0.0',port = 4000) #localhost:4000

#Start up function
def startUp():
    #Printing to user for necessary information
    print("Welcome !")
    print("Please log in on: localhost:4000")
    print("Tempretaure in Celsius and Fahrenheit: ")
    #print(read_temp())
    print("Motion will be detected ... Press ctrl+c to exit")
    #LEDs turn on for a few seconds
    GPIO.output(21,GPIO.HIGH)
    GPIO.output(17,GPIO.HIGH)
    time.sleep(5)
    #LEDs turn off
    GPIO.output(21,GPIO.LOW)
    GPIO.output(17,GPIO.LOW)

#Function to send the email
def sendEmail():
    #from/to/msg details
    fromaddr = "piprojectest@gmail.com"
    toaddr="piprojectest@gmail.com"
    msg = MIMEMultipart()

    #assigning the previous details plus subject,body and attachment
    msg['From'] = fromaddr
    msg['To'] = toaddr
    msg['Subject'] = "Approval Needed"
    body = "Review the person detected. If approved press the button in 30seconds time"
    msg.attach(MIMEText(body, 'plain'))
    filename = "image.jpg"
    attachment = open('/home/pi/Assignment/image', "rb")
    part = MIMEBase('application', 'octet-stream')
    part.set_payload((attachment).read())
    encoders.encode_base64(part)
    #attaching file with its own details
    part.add_header('Content-Disposition',"attachment; filename = %s" % filename)
    msg.attach(part)
    #connecting to the server
    server = smtplib.SMTP('smtp.gmail.com',587)
    server.starttls()
    #logging into the email
    server.login("piprojectest@gmail.com","embedded2017&")
    text= msg.as_string()
    #sending and quit
    server.sendmail("piprojectest@gmail.com", "piprojectest@gmail.com",msg)
    server.quit()

#deciding if access was to be given
def grantAccess():
    print("Press the button for access in less than 30 seconds")
    #setting the time
    timeout = time.time() + 60*0.5 #30s from now
    while time.time() < timeout:
        #if button is pressed
        if(GPIO.input(18) == False):
            print("Access Given")
            #green LED indicating access
            GPIO.output(17,GPIO.HIGH)
            time.sleep(3)
            GPIO.output(17,GPIO.LOW)
            break
    else:
        #if 30s passed the accessed is denied
        print("Access Denied")
        #red LED is lit
        GPIO.output(21,GPIO.HIGH)
        time.sleep(3)
        GPIO.output(21,GPIO.LOW)

#function for detecting motion
def detection():
    global current
    global previous

    #continous loop
    while True:
        try:
            time.sleep(0.1)
            #reading the sensor
            current = GPIO.input(sensor)
            #if the variable changed, motion was detected
            if current != previous:
                previous = current
                if(current == 1):
                    print("Motion detected")
                    #calling the camera function
                    snap()
                    #giving it time to save the image
                    time.sleep(3)
                    #function to send the mail
                    sendEmail()
                    #LED notification
                    GPIO.output(17,GPIO.HIGH)
                    #function for access
                    grantAccess()
                    GPIO.output(17,GPIO.LOW)
                else:
                    #waiting for detection
                    print("Waiting")

        except KeyboardInterrupt:
            #to exit the program interrupting with keyboard
            print("Goodbye")
            GPIO.cleanup()
            sys.exit(0)

def snap():
    #command to take a photo and save it to the specific directory
    os.system('fswebcam -r 320x240 -S 3 --jpeg 50 --save /home/pi/Assignment/image .jpg')

#function to read the temp sensor
def temp_raw():
    f=open(temp_sensor,'r')
    #reading the file lines
    lines = f.readlines()
    #closing file
    f.close()
    #returning the lines read
    return lines

def read_temp():
    #calling the fucking for the raw readings
    lines = temp_raw()
    #reading the sensor until theres a result
    while lines[0].strip()[-3:] != 'YES':
        time.sleep(0.2)
        lines=temp_raw()
    #result found and reading it
    temp_output =lines[1].find('t=')
    #if valid
    if temp_output != -1:
        #formatting the reading to celcius and farenheit
        temp_string = lines[1].strip()[temp_output+2:]
        temp_c = float(temp_string)/1000.0
        temp_f = temp_c *9.0/5.0 +32.0
        return temp_c,temp_f

#calling the functions in order from one function

def main():
    #startUp()
    detection()

#main function being called
main()