29 lines
825 B
Python
Executable File
29 lines
825 B
Python
Executable File
#!/usr/bin/env python3
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from curio import run, TaskGroup
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import curio.socket as socket
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from keyword import kwlist
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MAX_KEYWORD_LEN = 4
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async def probe(domain: str) -> tuple[str, bool]: # <1>
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try:
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await socket.getaddrinfo(domain, None) # <2>
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except socket.gaierror:
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return (domain, False)
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return (domain, True)
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async def main() -> None:
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names = (kw for kw in kwlist if len(kw) <= MAX_KEYWORD_LEN)
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domains = (f'{name}.dev'.lower() for name in names)
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async with TaskGroup() as group: # <3>
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for domain in domains:
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await group.spawn(probe, domain) # <4>
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async for task in group: # <5>
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domain, found = task.result
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mark = '+' if found else ' '
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print(f'{mark} {domain}')
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if __name__ == '__main__':
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run(main()) # <6>
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