src/mount_efs/__init__.py [2486:2517]:
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                    )
                    time.sleep(DEFAULT_TIMEOUT)
                else:
                    # errno.ENOENT: No such file or directory, errno.EBADF: Bad file descriptor
                    if e.errno == errno.ENOENT or e.errno == errno.EBADF:
                        logging.debug(
                            "lock file does not exist or Bad file descriptor, The file is already removed nothing to do."
                        )
                    else:
                        raise Exception(
                            "Could not remove lock file unexpected exception: %s", e
                        )

    def generate_key():
        if os.path.isfile(key):
            # If the openssl genpkey command is interrupted or isn't successful,
            # it will leave behind an empty file.
            if os.path.getsize(key) == 0:
                logging.warning("Purging empty private key file")
                os.remove(key)
            else:
                return

        cmd = (
            "openssl genpkey -algorithm RSA -out %s -pkeyopt rsa_keygen_bits:3072" % key
        )
        subprocess_call(cmd, "Failed to create private key")
        read_only_mode = 0o400
        os.chmod(key, read_only_mode)

    do_with_lock(generate_key)
    return key
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src/watchdog/__init__.py [1715:1746]:
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                    )
                    time.sleep(DEFAULT_TIMEOUT)
                else:
                    # errno.ENOENT: No such file or directory, errno.EBADF: Bad file descriptor
                    if e.errno == errno.ENOENT or e.errno == errno.EBADF:
                        logging.debug(
                            "lock file does not exist or Bad file descriptor, The file is already removed nothing to do."
                        )
                    else:
                        raise Exception(
                            "Could not remove lock file unexpected exception: %s", e
                        )

    def generate_key():
        if os.path.isfile(key):
            # If the openssl genpkey command is interrupted or isn't successful,
            # it will leave behind an empty file.
            if os.path.getsize(key) == 0:
                logging.warning("Purging empty private key file")
                os.remove(key)
            else:
                return

        cmd = (
            "openssl genpkey -algorithm RSA -out %s -pkeyopt rsa_keygen_bits:3072" % key
        )
        subprocess_call(cmd, "Failed to create private key")
        read_only_mode = 0o400
        os.chmod(key, read_only_mode)

    do_with_lock(generate_key)
    return key
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