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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

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)