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You really shouldn’t be using pure Python to decode barcodes from images or videos or, worse, from camera streams. - vpatron/barcode_scanner_python How to Create and Read Barcodes with Python A barcode is a visual representation of data, which consists of a series of parallel lines (bars) and Linux Python code to read from a USB barcode scanner directly. A symbol LS2208 was used for testing. For each detected barcode, it extracts the data and type, draws a rectangle around it, and annotates the image with the extracted information. You can use Python's raw_input function to read from standard input to ask a question, and you can read bytes from the serial port if you know I want to read barcodes in python. 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