qrare/qraro.py
2024-07-21 00:52:26 +02:00

49 lines
1.5 KiB
Python

import qrcode
from PIL import Image
import zxing
def bin_to_qr(data, chunk_size=100, filename_prefix="qr_code"):
hex_data = data.hex()
chunks = [hex_data[i:i+chunk_size] for i in range(0, len(hex_data), chunk_size)]
total_chunks = len(chunks)
for i, chunk in enumerate(chunks, 1):
qr = qrcode.QRCode(version=None, error_correction=qrcode.constants.ERROR_CORRECT_L, box_size=10, border=4)
qr.add_data(f"{i}/{total_chunks}:{chunk}")
qr.make(fit=True)
img = qr.make_image(fill_color="black", back_color="white")
img.save(f"{filename_prefix}_{i}.png")
print(f"Generated {total_chunks} QR codes.")
def qr_to_bin(filename_prefix="qr_code"):
chunks = {}
i = 1
reader = zxing.BarCodeReader()
while True:
try:
filename = f"{filename_prefix}_{i}.png"
barcode = reader.decode(filename)
if barcode and barcode.parsed:
decoded = barcode.parsed
chunk_info, chunk_data = decoded.split(':', 1)
chunk_num, total_chunks = map(int, chunk_info.split('/'))
chunks[chunk_num] = chunk_data
if chunk_num == total_chunks:
break
i += 1
except FileNotFoundError:
break
except Exception as e:
print(f"Error decoding QR code {i}: {e}")
break
if not chunks:
print("No QR codes found.")
return None
hex_data = ''.join(chunks[i] for i in range(1, len(chunks) + 1))
return bytes.fromhex(hex_data)