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returncode != 0 : raise AirflowConfigException ( "Cannot execute ). PIPE, close_fds = True ) output, stderr = if process. expandvars ( str ( env_var ))) if interpolated = env_var : return interpolated else : env_var = interpolated def run_command ( command ): """ Runs command and returns stdout """ process = subprocess. """ if not env_var : return env_var while True : interpolated = os. decode () def expand_env_var ( env_var ): """ Expands (potentially nested) env vars by repeatedly applying `expandvars` and `expanduser` until interpolation stops having any effect. filterwarnings ( action = 'default', category = PendingDeprecationWarning, module = 'airflow' ) def generate_fernet_key (): try : from cryptography.fernet import Fernet except ImportError : return '' else : return Fernet. filterwarnings ( action = 'default', category = DeprecationWarning, module = 'airflow' ) warnings.

log # show Airflow's deprecation warnings warnings. install_aliases () log = LoggingMixin (). # from _future_ import absolute_import from _future_ import division from _future_ import print_function from _future_ import unicode_literals from builtins import str from collections import OrderedDict import copy import errno from future import standard_library import os import shlex import six from six import iteritems import subprocess import sys import warnings from nfigparser import ConfigParser, _UNSET, NoOptionError, NoSectionError from precation import deprecated from airflow.exceptions import AirflowConfigException from _mixin import LoggingMixin standard_library. See the License for the # specific language governing permissions and limitations # under 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 # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. 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. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. # -*- coding: utf-8 -*- # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements.