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# Copyright Pincer 2021-Present |
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# Full MIT License can be found in `LICENSE` at the project root. |
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from __future__ import annotations |
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class Snowflake(int): |
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"""Discord utilizes Twitter's snowflake format for uniquely |
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identifiable descriptors (IDs). |
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These IDs are guaranteed to be unique across all of Discord, |
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except in some unique scenarios in which child objects |
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share their parent's ID. |
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Because Snowflake IDs are up to 64 bits in size (e.g. a uint64), |
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they are always returned as strings in the HTTP API |
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to prevent integer overflows in some languages. |
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""" |
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_MAX_VALUE: int = 9223372036854775807 |
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_MIN_VALUE: int = 0 |
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def __init__(self, _): |
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super().__init__() |
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if self < self._MIN_VALUE: |
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raise ValueError( |
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"snowflake value should be greater than or equal to 0." |
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) |
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if self > self._MAX_VALUE: |
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raise ValueError( |
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"snowflake value should be less than" |
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" or equal to 9223372036854775807." |
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) |
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@classmethod |
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def __factory__(cls, string: str) -> Snowflake: |
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return cls.from_string(string) |
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@classmethod |
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def from_string(cls, string: str): |
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"""Initialize a new Snowflake from a string. |
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Parameters |
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---------- |
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string: :class:`str` |
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The snowflake as a string. |
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""" |
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return Snowflake(int(string)) |
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@property |
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def timestamp(self) -> int: |
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""":class:`int`: Milliseconds since Discord Epoch, |
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the first second of 2015 or 14200704000000 |
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""" |
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return self >> 22 |
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@property |
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def worker_id(self) -> int: |
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""":class:`int`: Internal worker ID""" |
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return (self >> 17) % 16 |
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@property |
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def process_id(self) -> int: |
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""":class:`int`: Internal process ID""" |
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return (self >> 12) % 16 |
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@property |
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def increment(self) -> int: |
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""":class:`int`: For every ID that is generated on that process, |
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this number is incremented. |
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""" |
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return self % 2048 |
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@property |
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def unix(self) -> int: |
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return self.timestamp + 1420070400000 |
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