49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from imutils.video import VideoStream
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from pyzbar import pyzbar
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import argparse
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import datetime
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import imutils
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import time
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import cv2
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ap = argparse.ArgumentParser()
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ap.add_argument("-o", "--output", type=str, default="barcodes.csv",
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help="path to output CSV file containing barcodes")
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args = vars(ap.parse_args())
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vs = VideoStream(src=0).start() #Uncomment this if you are using Webcam
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#vs = VideoStream(usePiCamera=True).start() # For Pi Camera
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time.sleep(2.0)
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csv = open(args["output"], "w")
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found = set()
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while True:
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frame = vs.read()
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frame = imutils.resize(frame, width=400)
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barcodes = pyzbar.decode(frame)
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for barcode in barcodes:
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(x, y, w, h) = barcode.rect
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cv2.rectangle(frame, (x, y), (x + w, y + h), (0, 0, 255), 2)
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barcodeData = barcode.data.decode("utf-8")
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barcodeType = barcode.type
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text = "{} ({})".format(barcodeData, barcodeType)
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print (text)
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cv2.putText(frame, text, (x, y - 10),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 2)
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# if the barcode text is currently not in our CSV file, write
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# the timestamp + barcode to disk and update the set
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if barcodeData not in found:
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csv.write("{},{}\n".format(datetime.datetime.now(),
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barcodeData))
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csv.flush()
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found.add(barcodeData)
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# cv2.imshow("Barcode Reader", frame)
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key = cv2.waitKey(1) & 0xFF
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# if the `s` key is pressed, break from the loop
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if key == ord("s"):
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break
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print("[INFO] cleaning up...")
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csv.close()
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cv2.destroyAllWindows()
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vs.stop() |