53 lines
1.1 KiB
Python
53 lines
1.1 KiB
Python
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import sys
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import typing
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def main() -> int:
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checked = [passport.is_valid() for passport in _read_passports(sys.stdin)]
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print(f"total={len(checked)} valid={checked.count(True)}")
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return 0
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NoneString = typing.Optional[str]
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class Passport:
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byr: NoneString = None
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cid: NoneString = None
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ecl: NoneString = None
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eyr: NoneString = None
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hcl: NoneString = None
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hgt: NoneString = None
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iyr: NoneString = None
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pid: NoneString = None
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def is_valid(self) -> bool:
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return all(
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[
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getattr(self, attr) is not None
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for attr in ("byr", "ecl", "eyr", "hcl", "hgt", "iyr", "pid")
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]
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)
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def _read_passports(
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instream: typing.BinaryIO,
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) -> typing.Generator[None, None, Passport]:
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cur = Passport()
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for i, line in enumerate(instream):
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line = line.strip()
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if line == "":
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yield cur
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cur = Passport()
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for pair in line.split():
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attr, value = pair.split(":", 1)
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setattr(cur, attr, value)
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yield cur
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if __name__ == "__main__":
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sys.exit(main())
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