Step-by-Step Guide to Read QR Code from Image in Python

stepbystep_read_qr_from_qr_decoding_python.py

# Step-by-Step Guide to Read QR Code from Image in Python
# Read the full guide here: https://blog.aspose.com/barcode/step-by-step-guide-to-read-qr-code-from-image-in-python/

# Complete working example for reading a QR code from an image file

# Import the BarCodeReader class from Aspose.BarCode
from asposebarcode import BarCodeReader, DecodeType

def read_qr_from_image(image_path: str) -> str:
    """
    Reads a QR code from the specified image file and returns the decoded text.
    Supported image formats: PNG, JPEG, BMP, GIF, TIFF.
    """
    # Initialize the reader for QR codes only (optional but speeds up detection)
    with BarCodeReader(image_path, DecodeType.QR) as reader:
        # Iterate over all detected barcodes (there may be more than one)
        for result in reader.read():
            # Return the first decoded QR code text
            return result.code_text
    # If no QR code is found, return an empty string
    return ""

if __name__ == "__main__":
    image_file = "sample_qr.png"   # Replace with your image file path
    decoded_text = read_qr_from_image(image_file)
    if decoded_text:
        print(f"Decoded QR text: {decoded_text}")
    else:
        print("No QR code detected in the image.")