AI/Attendence/attendence.py

from flask import Flask, render_template, request, redirect, Response, send_file
import multiprocessing
import face_recognition
#from numba import jit
import numpy as np
import os
#from flask_cors import CORS
app = Flask(__name__)
#CORS(app)
lst = []


@app.route('/', methods=['GET'])
def resume():
    #return render_template('index.html')
    return 'Attendence app running'

def createEncodings(image):
    print("Encoding")
    """
    Create face encodings for a given image and also return face locations in the given image.
    Parameters
    -------
    image : cv2 mat
        Image you want to detect faces from.
    Returns
    -------
    known_encodings : list of np array
        List of face encodings in a given image
    face_locations : list of tuples
        list of tuples for face locations in a given image
    """
    # Find face locations for all faces in an image
    face_locations = face_recognition.face_locations(image)
    # Create encodings for all faces in an image
    known_encodings = face_recognition.face_encodings(image, known_face_locations=face_locations)
    return known_encodings, face_locations
#@app.route('/registered', methods=["POST","GET"])
def registered(url_list):
    input=url_list

    from pathlib import Path
    Path("ppeople").mkdir(exist_ok=True)
    Path("ppeople/" + input["FileName"]).mkdir(exist_ok=True)

    a = input
    # print(a)
    x = a['FileData']
    # print(x)
    y = a['FileName']
    #z = a['FileType']
    z='jpg'
    # CreatedBy=a['CreatedBy']

    name = y+ '.'+ z
    print(name)
    # print(y)
    # image = y.split("/")
    # filename=image[-1]

    # print(x)
    try:
        img_data = x.encode()
    except AttributeError:
        return "Successfully saved encoding........."

    import base64

    with open("ppeople/" + input["FileName"] + "/" + name, "wb") as fh:
        fh.write(base64.decodebytes(img_data))

    img = "ppeople/" + y + "/" + name
    saveLocation = "ppeople/" + y + "/" + y + ".pickle"

    ############ detecting no of faceses #######################


    # import cv2
    # import numpy as np
    # import dlib


    # # Connects to your computer's default camera
    # cap = cv2.imread(img)

    # # Detect the coordinates
    # detector = dlib.get_frontal_face_detector()

    # number_of_faces=[]
    # # Capture frames continuously
    # # while True:

    # # Capture frame-by-frame
    # # ret, frame = cap
    # frame = cap

    # # RGB to grayscale
    # gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    # faces = detector(gray)

    # # Iterator to count faces
    # i = 0
    # for face in faces:

    #     # Get the coordinates of faces
    #     x, y = face.left(), face.top()
    #     x1, y1 = face.right(), face.bottom()
    #     cv2.rectangle(frame, (x, y), (x1, y1), (0, 255, 0), 2)
    # # Increment iterator for each face in faces
    #     i = i+1

    # # Display the box and faces
    #     cv2.putText(frame, 'face num'+str(i), (x-10, y-10),
    #                 cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 255), 2)
        
    #     # if len(i)>1:
    #     #     print(i)
    #     number_of_faces.append(i)


    # if (len(number_of_faces))>1:
    #     print("Group Photo")
    #     return "Group Photo"
    # elif (len(number_of_faces))==1:
    #     print("Single Photo")
    #     pass





    def saveEncodings(encs, names, fname='encodings.pickle'):
        """
        Save encodings in a pickle file to be used in future.

        Parameters
        ----------
        encs : List of np arrays
            List of face encodings.
        names : List of strings
            List of names for each face encoding.
        fname : String, optional
            Name/Location for pickle file. The default is "encodings.pickle".

        Returns
        -------
        None.

        """

        data = []
        d = [{"name": nm, "encoding": enc} for (nm, enc) in zip(names, encs)]
        data.extend(d)

        encodingsFile = fname

        # dump the facial encodings data to disk
        print("[INFO] serializing encodings...")
        print("[INFO] Encodings Created sucessfully")
        f = open(encodingsFile, "wb")
        f.write(pickle.dumps(data))
        f.close()

    # Function to create encodings and get face locations


    def processKnownPeopleImages(img=img, saveLocation=saveLocation):
        """
        Process images of known people and create face encodings to compare in future.
        Eaach image should have just 1 face in it.
        Parameters
        ----------
        path : STRING, optional
            Path for known people dataset. The default is "C:/inetpub/vhosts/port82/wwwroot/_files/People".
            It should be noted that each image in this dataset should contain only 1 face.
        saveLocation : STRING, optional
            Path for storing encodings for known people dataset. The default is "./known_encodings.pickle in current directory".
        Returns
        -------
        None.
        """
        known_encodings = []
        known_names = []
        # for img in os.listdir(path):

        imgPath = img
        # Read image
        image = cv2.imread(imgPath)
        name = img.rsplit('.')[0]
        # Resize
        try:
            print(image.shape)
        except AttributeError:
            return "Successfully saved encoding........."
        image = cv2.resize(image, (0, 0), fx=0.9, fy=0.9, interpolation=cv2.INTER_LINEAR)
        # Get locations and encodings
        encs, locs = createEncodings(image)
        try:
            known_encodings.append(encs[0])
        except IndexError:
            os.remove(saveLocation)
            print('------------------------------------- save location --------------------------------')
            print(saveLocation)
            return "hello world!"
        
            
        # known_encodings.append(encs[0])
        known_names.append(name)
        for loc in locs:
            top, right, bottom, left = loc
        # Show Image
        # cv2.rectangle(image, (left, top), (right, bottom), color=(255, 0, 0), thickness=2)
        # cv2.imshow("Image", image)
        # cv2.waitKey(1)
        # cv2.destroyAllWindows()
        saveEncodings(known_encodings, known_names, saveLocation)

    import cv2
    #import face_recognition
    import pickle

    processKnownPeopleImages(img, saveLocation)
    return 'Successfully saved encoding.........'


# ********************************   COMPARUISION *********************************************************
#@app.route('/submit', methods=["POST","GET"])
def submit(url_list):

    from datetime import datetime
    import pytz
    tz_NY = pytz.timezone('Asia/Kolkata')
    datetime_NY = datetime.now(tz_NY)
    India_Date = (datetime_NY.strftime("%Y-%m-%d"))
    India_Date = str(India_Date)
    # India_Time = (datetime_NY.strftime("%I:%M:%S %p"))
    # India_Time = str(India_Time)
    input=url_list
    import pickle
    import cv2

    from pathlib import Path
    Path("GGallery/"+ India_Date).mkdir(exist_ok=True)
    Path("GGallery/"+ India_Date +'/'+ input["FileName"]).mkdir(exist_ok=True)

    a = input
    # print(a)
    x = a['FileData']
    # print(x)
    y = a['FileName']
   # z = a['FileType']
    z='jpg'
    # CreatedBy=a['CreatedBy']

    name = y + '.' + z
    # print(name)
    # print(y)
    # image = y.split("/")
    # filename=image[-1]

    # print(x)
    img_data = x.encode()

    import base64
    

    with open("GGallery/"+India_Date+'/' + input["FileName"] + "/" + name, "wb") as fh:
        fh.write(base64.decodebytes(img_data))

    path = "GGallery/" +India_Date+'/'+ y + "/" + name
    pickle_location = "ppeople/" + y + "/" + y + ".pickle"
    import pathlib
    file = pathlib.Path(pickle_location)
    if file.exists ():
        pass
    else:
        print ("pickle File not exist")
        print(name)
        return "Face not found in profile (please change your profile)"

    check_faces="ppeople/" + y + "/" + y + ".jpg"
    print(check_faces)


    ############ detecting no of faceses #######################


    import cv2
    import numpy as np
    import dlib


    # Connects to your computer's default camera
    cap = cv2.imread(check_faces)

    # Detect the coordinates
    detector = dlib.get_frontal_face_detector()

    number_of_faces=[]
    # Capture frames continuously
    # while True:

    # Capture frame-by-frame
    # ret, frame = cap
    frame = cap

    # RGB to grayscale
    gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
    faces = detector(gray)

    # Iterator to count faces
    i = 0
    for face in faces:

        # Get the coordinates of faces
        x, y = face.left(), face.top()
        x1, y1 = face.right(), face.bottom()
        cv2.rectangle(frame, (x, y), (x1, y1), (0, 255, 0), 2)
    # Increment iterator for each face in faces
        i = i+1

    # Display the box and faces
        cv2.putText(frame, 'face num'+str(i), (x-10, y-10),
                    cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 255), 2)
        
        # if len(i)>1:
        #     print(i)
        number_of_faces.append(i)


    if (len(number_of_faces))>1:
        print("Group Photo")
        return "Group Photo"
    elif (len(number_of_faces))==1:
        print("Single Photo")
        pass




    def readEncodingsPickle(fname):
        """
        Read Pickle file.

        Parameters
        ----------
        fname : String
            Name of pickle file.(Full location)

        Returns
        -------
        encodings : list of np arrays
            list of all saved encodings
        names : List of Strings
            List of all saved names

        """


        data = pickle.loads(open(fname, "rb").read())


        data = np.array(data)
        encodings = [d["encoding"] for d in data]
        names = [d["name"] for d in data]
        return encodings, names


    def compareFaceEncodings(unknown_encoding, known_encodings, known_names):
        """
        Compares face encodings to check if 2 faces are same or not.

        Parameters
        ----------
        unknown_encoding : np array
            Face encoding of unknown people.
        known_encodings : np array
            Face encodings of known people.
        known_names : list of strings
            Names of known people

        Returns
        -------
        acceptBool : Bool
            face matched or not
        duplicateName : String
            Name of matched face
        distance : Float
            Distance between 2 faces

        """
        duplicateName = ""
        distance = 0.0
        matches = face_recognition.compare_faces(known_encodings, unknown_encoding, tolerance=0.51)
        face_distances = face_recognition.face_distance(known_encodings, unknown_encoding)

        best_match_index = np.argmin(face_distances)

        distance = face_distances[best_match_index]
        if matches[best_match_index]:
            acceptBool = True
            duplicateName = known_names[best_match_index]
        else:
            acceptBool = False
            duplicateName = ""
        return acceptBool, duplicateName, distance

        #p = []


    def processDatasetImages(path=path, pickle_location=pickle_location):
        """
        Process image in dataset from where you want to separate images.
        It separates the images into directories of known people, groups and any unknown people images.
        Parameters
        ----------
        path : STRING, optional
            Path for known people dataset. The default is "D:/port1004/port1004/wwwroot/_files/People".
            It should be noted that each image in this dataset should contain only 1 face.
        saveLocation : STRING, optional
            Path for storing encodings for known people dataset. The default is "./known_encodings.pickle in current directory".

        Returns
        -------
        None.

        """
        # Read pickle file for known people to compare faces from

        people_encodings, names = readEncodingsPickle(pickle_location)
        # print(p)
        #  imgPath = path + img

        # Read image
        # path=r"C:\Users\katku\Pictures\final\100011460000611.jpg"
        image = cv2.imread(path)
        #orig = image.copy()

        # Resize
        image = cv2.resize(image, (0, 0), fx=0.9, fy=0.9, interpolation=cv2.INTER_LINEAR)

        # Get locations and encodings
        encs, locs = createEncodings(image)

        # Save image to a group image folder if more than one face is in image
        # if len(locs) > 1:
        #     saveImageToDirectory(orig, "Group", img)

        # Processing image for each face
        i = 0
        knownFlag = 0
        for loc in locs:
            top, right, bottom, left = loc
            unknown_encoding = encs[i]
            i += 1
            acceptBool, duplicateName, distance = compareFaceEncodings(unknown_encoding, people_encodings, names)
            if acceptBool:
                # saveImageToDirectory(orig, duplicateName,name)
                knownFlag = 1
        if knownFlag == 1:
            print("Match Found")


            #print(path)
            with_extension = path.split("/")[-1]
            without_extension = with_extension.split(".")[0]

            # output_s = {"FileID": without_extension,
            #             "Date": India_Date,
            #             "Time": India_Time}
            # output_json = json.dumps(output_s)
            output_json='Matched successfully'
            print(loc)
            lst.append(output_json)

            print(output_json)
            # exit()

        else:
            print('Not Matched')
            pass
            # saveImageToDirectory(orig, "0",name)


    import numpy as np
    import json

    processDatasetImages(path, pickle_location)
    return lst[0]
    #return 'matched successfully'


@app.route('/detect', methods=["POST"])
def detect():
    if __name__ == "__main__":

        url_list=[]
        Dataset=  request.get_json()
        # id = "100013660000125"
        url_list.append(Dataset)
        # multiprocessing
        pool_size = multiprocessing.cpu_count() * 2
        with multiprocessing.Pool(pool_size) as pool:
            try:
                results = pool.map(submit, url_list)
            except FileNotFoundError:
                return 'plese get registered with your PhotoID'
            except IndexError:
                #return 'unable to recognize face'
                return 'failed'

        pool.close()

        return results[0]



@app.route('/register', methods=["POST"])
def register():
    print("hello start..........")
    if __name__ == "__main__":

        url_list=[]
        Dataset=  request.get_json()
        # id = "100013660000125"
        url_list.append(Dataset)
        UserLocation=Dataset["FilePath"]
        print(UserLocation)

        # if "cO2" in UserLocation or UserLocation is None:
        #     pass
        # else:
        #     return "Please update the URL in the integration"


        # multiprocessing
        pool_size = multiprocessing.cpu_count() * 2
        with multiprocessing.Pool(pool_size) as pool:
            try:
                results = pool.map(registered, url_list)
            except IndexError:
                pass
                print('face not found')
            except FileNotFoundError:
                pass
                
            
                #os.remove(img)
               # return 'unable to recognize face'

        pool.close()
        #return results[0]
        return 'Successfully saved encoding.........'




if __name__ == "__main__":
    app.run(host='0.0.0.0',port =5003,debug=False)