"Đi học dzìa": Phần 3 - Sử dụng PIR kết hợp Camera và gửi email

#!/usr/bin/python
#By MonsieurVechai
import RPi.GPIO as GPIO
from picamera import PiCamera
import time, os, email
from datetime import datetime
import smtplib
from email import Encoders
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText


'''
The PIR sensor is attached to a GPIO pin on the Pi
This Python reads digital signal on Pi pin.
If the pin registers "High", the Pi Camera records for several seconds
The video is then sent to my gmail account
'''

  
def send_mail(file):    
    UserName = "Something@gmail.com"
    Password = "Something"
    Recipient = "Something@gmail.com"
    
    msg = MIMEMultipart()
    msg['From'] = UserName
    msg['To'] = Recipient
    msg['Subject'] = "New detection on " + datetime.now().strftime("%Y_%m_%d_%H_%M_%S.h264") 
    text = "Master, it seems that somebody entered the house just now."
    msg.attach( MIMEText(text) ) 
    
    part = MIMEBase("application", "octet-stream")
    fo=open(file,"rb")
    part.set_payload(fo.read() )
    Encoders.encode_base64(part)
    part.add_header('Content-Disposition', 'attachment; filename="%s"'  %os.path.basename(file))
    msg.attach(part)

    s = smtplib.SMTP('smtp.gmail.com:587')
    s.ehlo()
    s.starttls()
    s.login(UserName, Password)
    s.sendmail(UserName, Recipient, msg.as_string())
    s.close()
     
     
def main(): 
    # Use BCM GPIO references instead of physical pin numbers
    GPIO.setmode(GPIO.BCM)
    
    # Define GPIO to use on Pi
    GPIO_PIR = 14
    # Set pin as input
    GPIO.setup(GPIO_PIR,GPIO.IN)      
    
    print "PIR Module is initialized (press CTRL-C to exit)"
    
    camera = PiCamera()
    print "Pi Camera is initialized (press CTRL-C to exit)"
    
    try:
        # Loop until PIR output is 0
        while GPIO.input(GPIO_PIR)==1: 
            print "Waiting for PIR to settle ..."  
            
        print "  PIR is settled. Ready to detect new motion"
        Current_State  = 0
        Previous_State = 0
        
        # Loop until users quits with CTRL-C
        while True :  
            # Read PIR state
            Current_State = GPIO.input(GPIO_PIR)     
            if Current_State==1 and Previous_State==0:
                print "Motion detected! Start recording movie."
                filename = datetime.now().strftime("%Y_%m_%d_%H_%M_%S.h264")
                camera.start_recording(filename)
                time.sleep(20)
                Previous_State=1        
            elif Current_State==0 and Previous_State==1: 
                camera.stop_recording()
                path_of_movie = os.path.abspath(filename)
                    
                #Sending email
                try:
                    send_mail(path_of_movie)
                    print "Sending email done. Ready to detect new motion"
                except IOError:
                    print "Something wrong. Mail not sent"

            
            #Debounce: PIR was previously active but now there no motion
                Previous_State=0
                time.sleep(0.01)
    
    except KeyboardInterrupt:
        print "Quit program"
        GPIO.cleanup()
        
        
if __name__ == "__main__":
    main()

Thay đổi địa chỉ email bằng địa chỉ email và password của bạn (phải là Gmail (cho dễ) nhé). Nhớ là phải để trong ngoặc kép nha:

sudo python di_hoc_ve_2.py