29 lines
777 B
Python
29 lines
777 B
Python
"""Helpers to generate ulids."""
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from __future__ import annotations
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import time
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from ulid_transform import bytes_to_ulid, ulid_at_time, ulid_hex, ulid_to_bytes
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__all__ = ["ulid", "ulid_hex", "ulid_at_time", "ulid_to_bytes", "bytes_to_ulid"]
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def ulid(timestamp: float | None = None) -> str:
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"""Generate a ULID.
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This ulid should not be used for cryptographically secure
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operations.
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01AN4Z07BY 79KA1307SR9X4MV3
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|----------| |----------------|
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Timestamp Randomness
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48bits 80bits
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This string can be loaded directly with https://github.com/ahawker/ulid
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import homeassistant.util.ulid as ulid_util
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import ulid
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ulid.parse(ulid_util.ulid())
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"""
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return ulid_at_time(timestamp or time.time())
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