stm32-fmt-code/access_control_python/main.py

110 lines
3.9 KiB
Python

import cv2
import threading
import time
import face_processing as fp
from access_control_mqtt import access_control
from database import Database, Student, Parent
from display import Display
SERIAL_PORT_DISPLAY = "COM26"
CAMERA_INDEX = 0
cam = cv2.VideoCapture(CAMERA_INDEX)
actrl = access_control()
display = Display(SERIAL_PORT_DISPLAY)
db = Database()
global img
global frame_ready
frame_ready = False
def read_webcam():
global img
global frame_ready
while True:
ret, img = cam.read()
frame_ready = True
'''
display.set_page("student")
display.set_string("msg.txt","Door Open")
'''
threading.Thread(target=read_webcam).start()
while True:
while not frame_ready:
time.sleep(1)
#Try to identify face
if actrl.get_scan_state():
print("SCAN ACTIVE!")
faces = fp.identify_face(img, target_condidence=0.6) ## Scan student face
if(len(faces)==1):
facefile = faces[0]['name'] ## File name
student_info = db.get_student_info(facefile)## Check is it student?
db.log_access_student(student_info) # Log student data
if(student_info!=None): #is student, request another scan for parent
#db.log_access_student_file()
time.sleep(2)
display.set_page("student")
display.set_string("msg.txt","Scan parent face")
parent_face = fp.identify_face(img, target_condidence=0.6)
parent_info = db.get_parent_info(parent_face)
#TODO Fill in student info
db.log_access_parent(parent_info) # Log student data
if(parent_info != None): # Identified parent
print(parent_info)
if(db.check_relationship(student_info,parent_info)): # Check if the detected parent is right for the detected student.
#TODO Log Access
display.set_page("Parent")
access_control.unlock_door() # Door open
time.sleep(10)
#display.set_string("msg.txt","Get your kid")
else:
access_control.lock_door() # Lock Door
display.set_page("Scan")
display.set_string("msg.txt","Wrong student. \t Try Again")
else:
display.set_page("student")
display.set_string("msg.txt","Cannot find parent data. \t Try Again")
else:
display.set_page("student")
display.set_string("msg.txt","Cannot find student data. \t Try Again")
pass
elif (len(faces)>1):
#More than one people, error.
print("more than one people. \t try again")
display.set_page("Scan")
display.set_string("msg.txt","More than one people. \t try again")
time.sleep(2)
display.set_page("Scan")
pass
else:
#No one detected
print("No one detected \t try again")\
display.set_page("Scan")
pass
print("DONE")
else:
print("Scan inactivate!!")
'''
#is student, request another scan for parent
parent_face = fp.identify_face(img, target_condidence=0.6)
if(len(faces)==1):
parent_info = db.get_parent_info(faces[0]['name'])
if(parent_info!=None):
if(db.check_relationship(student_info,parent_info)):
#Student is under parent, open door.
pass
else:
#Wrong Parent, retry.
pass
else:
#Not a parent, retry
pass
'''