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# pip install python-barcode pylibdmtx opencv-python
from PIL import Image
from pylibdmtx.pylibdmtx import encode, decode
import cv2
import numpy

from barcode import UPCA
from barcode.writer import ImageWriter

number = 10000000000

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#!/usr/bin/env python3

'''
Usage:
   barcode_scanning.py <license.txt>

Keyboard shortcuts:

   ESC - exit
'''

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from dbr import *
 
# Initialize Dynamsoft Barcode Reader
reader = BarcodeReader()
# Apply for a trial license: https://www.dynamsoft.com/customer/license/trialLicense
license_key = "LICENSE KEY"
reader.init_license(license_key)
 
def decodeframe(frame, left, top, right, bottom):
    settings = reader.reset_runtime_settings() 

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def postprocess(frame, outs):
    frameHeight, frameWidth = frame.shape[:2]
 
    classIds = []
    confidences = []
    boxes = []
 
    for out in outs:
        for detection in out:
            scores = detection[5:]

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void decode_barcode_buffer(void* barcodeReader, const unsigned char *data, int width, int height, int channel, boolean has_region, int left, int right, int top, int bottom) 
{
    if (has_region)
    {
        PublicRuntimeSettings settings;
        char errorMessage[256];
        int errorCode = DBR_GetRuntimeSettings(barcodeReader, &settings);
        settings.region.regionLeft = left;
        settings.region.regionRight = right;
        settings.region.regionTop = top;

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try:
            text_results = reader.decode_file(self.filePath)
            if text_results != None:
                for text_result in text_results:
                    print("Barcode Format :")
                    print(text_result.barcode_format_string)
                    self.prevLabelText = text_result.barcode_format_string
                    print("Barcode Text :")
                    print(text_result.barcode_text)
                    print("Localization Points : ")

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from google_images_download import google_images_download  
import argparse
 
ap = argparse.ArgumentParser()
ap.add_argument("-k", "--keywords", required=True,
    help="The keywords/key phrases you want to search for.")
ap.add_argument("-l", "--limit", required=True,
    help="The number of images that you want to download.")
args = vars(ap.parse_args())
 

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overlay.addEventListener('mouseup', e => {
                    if (isDrawing) {
                        isDrawing = false;
                         
                        mousePosition.innerHTML = "Cursor: (" + e.offsetX + ", " + e.offsetY + ")";
                        region.innerHTML = "Decode a region: (" + startX + ", " + startY + ", " + e.offsetX + ", " + e.offsetY + "). ";
                        overlay.style.cursor = "default";
 
                        // Decode a region of the barcode image
                        (async () => {

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(async () => {
                await barcodereader.resetRuntimeSettings();
                await barcodereader.updateRuntimeSettings('coverage'); // Mode: speed, balance, coverage
                try {
                    await barcodereader.decode(name.files[0]).then((results) => {
                        let txts = [];
                        try {
                            for (let i = 0; i < results.length; ++i) {
                                txts.push(results[i].BarcodeText);
                            }

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function clearOverlay() {
            overlayCtx.clearRect(0, 0, overlay.width, overlay.height);
            overlayCtx.strokeStyle = '#ff0000';
            overlayCtx.lineWidth = 5;
        }
 
overlay.addEventListener('mousedown', e => {
                    startX = e.offsetX;
                    startY = e.offsetY;
                    isDrawing = true;