コード例 #1
0
         id = str(input("Select an item by id: "))
         if id == "stop":
             break
         quantity = str(input("Enter the desired quantity: "))
         if quantity == "stop":
             break
         i = database.selectbyid(quantity, id)
     print("Finished updating quantities")
 elif x == "5":  #batch image barcode identification >todo< create a class for this
     print("Finding all files...")
     files = finder.findall(path)
     print("Processing all files...")
     for file in files:
         upc = image.process(file)
         testupc = None
         sqlcheck = len(database.checkforitem(upc))
         if sqlcheck is 0:  #check if data is stored in mysql before asking api server
             testupc = pull.pullitem(upc)
         if sqlcheck is 0 and testupc is None:  #data does not exist locally or in api db
             #cv2.imshow(file)
             name = input("What is the name of this item: ")
             #cv2.destroyallwindows()
             database.insert(name, upc)
             print("Inserted {} into the database.".format(name))
         elif sqlcheck is not 0:  # data is stored locally already - increase quantity instead
             name = str(database.findnamebyupc(upc))
             name = name.strip("[](),'")
             database.selectbyupc(upc)
             print("Increased quantity of {} by one.".format(str(name)))
         elif testupc is not None:  # when found from an api req store it in db
             name = testupc
コード例 #2
0
    def startscan(self):
        database = Database()

        print("[INFO] starting video stream...")
        vs = VideoStream(src=0).start()

        #vs = VideoStream(usePiCamera=True).start()
        time.sleep(2.0)

        found = set()
        unfound = set()
        empty = set()
        # loop over the frames from the video stream
        while True:
            # grab the frame from the threaded video stream and resize it to
            # have a maximum width of 400 pixels
            frame = vs.read()
            frame = imutils.resize(frame, width=400)

            # find the barcodes in the frame and decode each of the barcodes
            barcodes = pyzbar.decode(frame)
            	# loop over the detected barcodes
            for barcode in barcodes:
        		# extract the bounding box location of the barcode and draw
        		# the bounding box surrounding the barcode on the image
                (x, y, w, h) = barcode.rect
                cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 0, 255), 2)

        		# the barcode data is a bytes object so if we want to draw it
        		# on our output image we need to convert it to a string first
                barcodeData = barcode.data.decode("utf-8")
                barcodeType = barcode.type

        		# draw the barcode data and barcode type on the image
                text = "{} ({})".format(barcodeData, barcodeType)
                cv2.putText(frame, text, (x, y - 10),
                    cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)

                upc = str((barcode[0]))
                upc = upc.strip("a,b,'")
                print(upc)
                item = None
                if len(database.checkforitem(upc)) is 0: #politely check for data before sending api request
                    p = Pull()
                    item = p.pullitem(upc)
                    print(item)

                if item is None and len(database.checkforitem(upc)) is 0: #item does not exist in either
                    print("Detected unknown item...")
                    time.sleep(0.2)
                    a = input("What is the name of the object with barcode: {}: ".format(str(upc)))
                    database.insert(a,upc)
                    dopost = input("Would you like to send this to the api for future reference? y/n: ")
                    if dopost is "y":
                        post = Post()
                        post.postitem(a,upc)
                    time.sleep(2) #prevents multiple entries of the same item

                elif item is None and len(database.checkforitem(upc)) is not 0: #item already found, increasing quantity instead
                    print("Item found in local database, increasing quantity by one.")
                    database.selectbyupc(upc)
                    time.sleep(1.5)

                elif item != None: #api request successful
                    print("Found upc code {}, inserting into known database.".format(str(upc)))
                    database.insert(str(item),upc)
                    time.sleep(2)

                	# show the output frame
            cv2.imshow("Barcode Scanner", frame)
            key = cv2.waitKey(1) & 0xFF

        	# if the `q` key was pressed, break from the loop
            if key == ord("q"):
                break

        print("[INFO] cleaning up...")

        cv2.destroyAllWindows()
        vs.stop()