Initial commit; program can read in binary from a magtek card reader, TODO: parse input properly into multiple tracks
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commit
54248d702b
67
read.py
Executable file
67
read.py
Executable file
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#! /usr/bin/python
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import hid
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def get_readers():
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return [item for item in hid.enumerate() if item["manufacturer_string"]=="Mag-Tek"]
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def get_device_from_reader(reader):
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return hid.Device(reader["vendor_id"], reader["product_id"])
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def get_device_from_readers(readers):
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if len(readers) == 0:
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print("No Mag-Tek reader detected - Quiting")
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return
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elif len(readers) > 1:
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devices = []
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for i in range(len(readers)):
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try:
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a = readers[i]
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dev = hid.Device(a["vendor_id"],a["product_id"])
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devices.append(dev)
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print(f"{i})\t\'{dev.manufacturer} {dev.product}\' - {'nonblocking' if dev.nonblocking else 'blocking'}")
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except:
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devices.append(None)
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return devices[int(input( "Enter desired reader number" ))]
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return get_device_from_reader(readers[0])
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def read(device):
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print("Waiting for swipe...")
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return device.read(256)[3:]
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def parse_raw_data(raw_data):
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END_CHAR = ";"
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START_CHAR = "%"
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SPLIT_CHAR = b"?"
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print(raw_data)
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tracks = raw_data.split(SPLIT_CHAR)
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print(tracks)
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return
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data = raw_data.decode()
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end = end if end != -1 else len(data)
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tracks = data[start:end].replace('\x00','').replace("\x10","").split(SPLIT_CHAR)
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final_output = [track for track in tracks if len(track)!=0]
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return final_output
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def main():
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readers = get_readers()
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device = get_device_from_readers(readers)
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if device is None:
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return
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while True:
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raw_data = read(device)
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print(parse_raw_data(raw_data))
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print()
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if __name__ == "__main__":
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main()
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