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# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# https://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
import sys
import os
import errno
import socket
import warnings
from boto3.exceptions import PythonDeprecationWarning
# In python3, socket.error is OSError, which is too general
# for what we want (i.e FileNotFoundError is a subclass of OSError).
# In py3 all the socket related errors are in a newly created
# ConnectionError
SOCKET_ERROR = ConnectionError
_APPEND_MODE_CHAR = 'a'
import collections.abc as collections_abc
if sys.platform.startswith('win'):
def rename_file(current_filename, new_filename):
try:
os.remove(new_filename)
except OSError as e:
if not e.errno == errno.ENOENT:
# We only want to a ignore trying to remove
# a file that does not exist. If it fails
# for any other reason we should be propagating
# that exception.
raise
os.rename(current_filename, new_filename)
else:
rename_file = os.rename
def filter_python_deprecation_warnings():
"""
Invoking this filter acknowledges your runtime will soon be deprecated
at which time you will stop receiving all updates to your client.
"""
warnings.filterwarnings(
'ignore',
message=".*Boto3 will no longer support Python.*",
category=PythonDeprecationWarning,
module=r".*boto3\.compat"
)
def _warn_deprecated_python():
"""Use this template for future deprecation campaigns as needed."""
py_37_params = {
'date': 'December 13, 2023',
'blog_link': (
'https://aws.amazon.com/blogs/developer/'
'python-support-policy-updates-for-aws-sdks-and-tools/'
)
}
deprecated_versions = {
# Example template for future deprecations
(3, 7): py_37_params,
}
py_version = sys.version_info[:2]
if py_version in deprecated_versions:
params = deprecated_versions[py_version]
warning = (
"Boto3 will no longer support Python {}.{} "
"starting {}. To continue receiving service updates, "
"bug fixes, and security updates please upgrade to Python 3.8 or "
"later. More information can be found here: {}"
).format(py_version[0], py_version[1], params['date'], params['blog_link'])
warnings.warn(warning, PythonDeprecationWarning)
def is_append_mode(fileobj):
return (
hasattr(fileobj, 'mode') and
isinstance(fileobj.mode, str) and
_APPEND_MODE_CHAR in fileobj.mode
)