# ===================================================================
#
# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# ===================================================================

__all__ = ["Integer"]

import os

try:
    if os.getenv("PYCRYPTODOME_DISABLE_GMP"):
        raise ImportError()

    from Crypto.Math._IntegerGMP import IntegerGMP as Integer
    from Crypto.Math._IntegerGMP import implementation as _implementation
except (ImportError, OSError, AttributeError):
    try:
        from Crypto.Math._IntegerCustom import IntegerCustom as Integer
        from Crypto.Math._IntegerCustom import implementation as _implementation
    except (ImportError, OSError):
        from Crypto.Math._IntegerNative import IntegerNative as Integer
        _implementation = {}
