| import json |
| import sys |
|
|
| def valid_solution(s): |
| if len(s) != 81 or not all(c in "123456789" for c in s): |
| return False |
|
|
| rows = [s[i * 9:(i + 1) * 9] for i in range(9)] |
| cols = ["".join(s[r * 9 + c] for r in range(9)) for c in range(9)] |
| boxes = [] |
|
|
| for br in range(3): |
| for bc in range(3): |
| box = "" |
| for r in range(3): |
| for c in range(3): |
| box += s[(br * 3 + r) * 9 + (bc * 3 + c)] |
| boxes.append(box) |
|
|
| return all(set(unit) == set("123456789") for unit in rows + cols + boxes) |
|
|
| def validate(path): |
| ids = set() |
| n = 0 |
|
|
| with open(path, "r", encoding="utf-8") as f: |
| for line_no, line in enumerate(f, start=1): |
| row = json.loads(line) |
|
|
| required = {"id", "question", "answer", "er", "ep", "ed"} |
| missing = required - set(row) |
| if missing: |
| raise ValueError(f"Line {line_no}: missing fields {missing}") |
|
|
| pid = row["id"] |
| question = row["question"] |
| answer = row["answer"] |
|
|
| if pid in ids: |
| raise ValueError(f"Line {line_no}: duplicate id {pid}") |
| ids.add(pid) |
|
|
| if len(question) != 81: |
| raise ValueError(f"Line {line_no}: question length is not 81") |
|
|
| if any(c not in ".123456789" for c in question): |
| raise ValueError(f"Line {line_no}: invalid character in question") |
|
|
| if len(answer) != 81: |
| raise ValueError(f"Line {line_no}: answer length is not 81") |
|
|
| if not valid_solution(answer): |
| raise ValueError(f"Line {line_no}: invalid Sudoku answer") |
|
|
| for i, c in enumerate(question): |
| if c != "." and answer[i] != c: |
| raise ValueError(f"Line {line_no}: answer does not respect givens") |
|
|
| n += 1 |
|
|
| print(f"OK: validated {n} puzzles") |
|
|
| if __name__ == "__main__": |
| validate(sys.argv[1]) |
|
|
