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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
from __future__ import annotations
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from pathlib import Path
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TextFileTypes = {"markdown", "text", "config", "html"}
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MimeTypeMap = {
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".png": "image/png",
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".jpg": "image/jpeg",
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".jpeg": "image/jpeg",
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".gif": "image/gif",
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".webp": "image/webp",
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".svg": "image/svg+xml",
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".mp4": "video/mp4",
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".webm": "video/webm",
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".mov": "video/quicktime",
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".mkv": "video/x-matroska",
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}
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def ReadTextFile(FilePath: Path) -> str:
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"""Read a text-classified file as UTF-8."""
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return FilePath.read_text(encoding="utf-8")
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def GetFileSize(FilePath: Path) -> int:
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return FilePath.stat().st_size
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def GetMimeType(FilePath: Path) -> str:
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return MimeTypeMap.get(FilePath.suffix.lower(), "application/octet-stream")
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def ParseRangeHeader(RangeHeader: str, FileSize: int) -> tuple[int, int]:
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"""Parse a single-range HTTP Range header into an inclusive (Start, End)."""
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RangeValue = RangeHeader.replace("bytes=", "").strip()
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StartText, _, EndText = RangeValue.partition("-")
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Start = int(StartText) if StartText else 0
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End = int(EndText) if EndText else FileSize - 1
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End = min(End, FileSize - 1)
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return Start, End
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