28 lines
909 B
Python
28 lines
909 B
Python
from datetime import datetime, timezone
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def iso_stamp_filename(prefix: str, ext: str) -> str:
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"""Generate timestamped filename, e.g. pasted-2025-10-23T121212Z.png"""
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ts = datetime.now(timezone.utc).isoformat()
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ts = ts.replace(":", "").split(".")[0]
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if ts.endswith("+00:00"):
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ts = ts.replace("+00:00", "Z")
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return f"{prefix}-{ts}.{ext}"
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def format_size(num_bytes: int) -> str:
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"""Return a human-readable file size (e.g., '2.3 MB', '10 Bytes')."""
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if num_bytes < 1024:
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return f"{num_bytes} Byte{'s' if num_bytes != 1 else ''}"
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units = ["KB", "MB", "GB", "TB", "PB", "EB"]
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size = float(num_bytes)
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for unit in units:
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size /= 1024.0
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if size < 1024.0 or unit == units[-1]:
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# 1 decimal place; drop trailing .0 (optional)
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val = f"{size:.1f}"
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if val.endswith(".0"):
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val = val[:-2]
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return f"{val} {unit}"
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return f"{num_bytes} Bytes" # fallback
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