Source code for

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations

import logging
import re
from datetime import datetime, timezone
from enum import Enum

from airflow.utils.helpers import prune_dict
from airflow.version import version

[docs]log = logging.getLogger(__name__)
[docs]def trim_none_values(obj: dict): from packaging.version import Version from airflow.version import version if Version(version) < Version("2.7"): # before version 2.7, the behavior is not the same. # Empty dict and lists are removed from the given dict. return {key: val for key, val in obj.items() if val is not None} else: # once airflow 2.6 rolls out of compatibility support for provider packages, # we can replace usages of this method with the core one in our code, # and uncomment this warning for users who may use it. # warnings.warn("use airflow.utils.helpers.prune_dict() instead", # AirflowProviderDeprecationWarning, stacklevel=2) return prune_dict(obj)
[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_utc_ms(date_time: datetime) -> int: """Convert a datetime object to an epoch integer (milliseconds) in UTC timezone.""" return int(date_time.replace(tzinfo=timezone.utc).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, ...]: match = re.match(r"(\d+)\.(\d+)\.(\d+)", version) if match is None: # Not theoratically possible. raise RuntimeError(f"Broken Airflow version: {version}") return tuple(int(x) for x in match.groups())
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__

Was this entry helpful?