Magcard Write Read Utility Program May 2026

def write_track(self, track_num, data): if not self.is_valid_track(track_num, data): raise ValueError(f"Invalid data for track track_num. Length or character mismatch.") if track_num == 1: self.track1 = data elif track_num == 2: self.track2 = data elif track_num == 3: self.track3 = data else: raise ValueError("Track must be 1, 2, or 3")

python magcard_util.py --write "2:1234567890" Read track 1: magcard write read utility program

It simulates the low-level track data manipulation for magnetic stripe cards (tracks 1, 2, 3) as per ISO 7811, and includes functions to , write , encode , and decode card data. def write_track(self, track_num, data): if not self