Source code for airflow.providers.amazon.aws.utils

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from __future__ import annotations

import re
from datetime import datetime
from enum import Enum

from airflow.version import version


[docs]def trim_none_values(obj: dict):
    return {key: val for key, val in obj.items() if val is not None}


[docs]def datetime_to_epoch(date_time: datetime) -> int:
    """Convert a datetime object to an epoch integer (seconds)."""
    return int(date_time.timestamp())


[docs]def datetime_to_epoch_ms(date_time: datetime) -> int:
    """Convert a datetime object to an epoch integer (milliseconds)."""
    return int(date_time.timestamp() * 1_000)


[docs]def datetime_to_epoch_us(date_time: datetime) -> int:
    """Convert a datetime object to an epoch integer (microseconds)."""
    return int(date_time.timestamp() * 1_000_000)


[docs]def get_airflow_version() -> tuple[int, ...]:
    val = re.sub(r"(\d+\.\d+\.\d+).*", lambda x: x.group(1), version)
    return tuple(int(x) for x in val.split("."))


class _StringCompareEnum(Enum):
    """
    An Enum class which can be compared with regular `str` and subclasses.

    This class avoids multiple inheritance such as AwesomeEnum(str, Enum)
    which does not work well with templated_fields and Jinja templates.
    """

    def __eq__(self, other):
        if isinstance(other, str):
            return self.value == other
        return super().__eq__(other)

    def __hash__(self):
        return super().__hash__()  # Need to set because we redefine __eq__