54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
# JTFTP - Python/AsyncIO TFTP Server
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# Copyright (C) 2022 Jeffrey C. Ollie
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import logging
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from typing import Protocol
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logger = logging.getLogger(__name__)
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from enum import Enum
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class FileMode(str, Enum):
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BINARY_READ = "rb"
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BINARY_WRITE = "wb"
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class FileProtocol(Protocol):
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closed: bool
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async def length(self) -> int | None:
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"""Return the length of the file, or None if the length cannot be determined."""
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raise NotImplementedError
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async def seek(self, offset: int, whence: int) -> int:
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raise NotImplementedError
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async def read(self, length: int) -> bytes:
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raise NotImplementedError
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async def write(self, data: bytes) -> int:
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raise NotImplementedError
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async def close(self, complete: bool) -> None:
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raise NotImplementedError
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class FilesystemProtocol(Protocol):
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async def open(self, filename: bytes, mode: FileMode) -> FileProtocol:
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raise NotImplementedError
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