InvokeAI/invokeai/app/util/misc.py
2024-02-29 13:16:37 -05:00

36 lines
849 B
Python

import datetime
import typing
import uuid
import numpy as np
def get_timestamp() -> int:
return int(datetime.datetime.now(datetime.timezone.utc).timestamp())
def get_iso_timestamp() -> str:
return datetime.datetime.utcnow().isoformat()
def get_datetime_from_iso_timestamp(iso_timestamp: str) -> datetime.datetime:
return datetime.datetime.fromisoformat(iso_timestamp)
SEED_MAX = np.iinfo(np.uint32).max
def get_random_seed() -> int:
rng = np.random.default_rng(seed=None)
return int(rng.integers(0, SEED_MAX))
def uuid_string() -> str:
res = uuid.uuid4()
return str(res)
def is_optional(value: typing.Any) -> bool:
"""Checks if a value is typed as Optional. Note that Optional is sugar for Union[x, None]."""
return typing.get_origin(value) is typing.Union and type(None) in typing.get_args(value)