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Thomas Farstrike
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
import qrdecode
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import random
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# Create a 240x240 byte buffer
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buffer = bytearray(240 * 240)
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# Fill buffer with random bytes
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# Image dimensions
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width = 240
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height = 240
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buffer_size = width * height # 240 * 240 = 57600 bytes
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try:
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# Allocate buffer for grayscale image
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buffer = bytearray(buffer_size)
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for i in range(240 * 240):
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buffer[i] = random.getrandbits(8)
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# Read the raw grayscale image file
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#with open('qrcode2.raw', 'rb') as f:
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# bytes_read = f.readinto(buffer)
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# if bytes_read != buffer_size:
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# raise ValueError("File size does not match expected 240x240 grayscale image")
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# Decode QR code using qrdecode module
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print("decoding...")
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print(f"buffer length: {len(buffer)}")
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for i in range(15):
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print(buffer[i])
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result = qrdecode.qrdecode(buffer, width, height)
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print(f"result: {result}")
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# Remove BOM (\ufeff) from the start of the decoded string, if present
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if result.startswith('\ufeff'):
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result = result[1:]
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print(f"result: {result}")
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except OSError as e:
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print("Error reading file:", e)
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raise
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except ValueError as e:
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print("Error:", e)
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raise
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