21 lines
543 B
Python
21 lines
543 B
Python
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from __future__ import annotations
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import re
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from dataclasses import dataclass
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ADDRESS = re.compile(r"^@([a-z0-9][a-z0-9._-]*):(?:[ \t]*)(.+)$", re.IGNORECASE)
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@dataclass(frozen=True)
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class RoutedMessage:
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target_repo: str
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body: str
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def parse_address_line(line: str) -> RoutedMessage | None:
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"""Parse one complete direct-address line; ordinary input returns None."""
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match = ADDRESS.match(line.rstrip("\r\n"))
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if not match:
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return None
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return RoutedMessage(target_repo=match.group(1), body=match.group(2))
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