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path: root/freestyle_hid/_exceptions.py
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# SPDX-FileCopyrightText: © 2020 The freestyle-hid Authors
# SPDX-License-Identifier: Apache-2.0


class HIDError(Exception):
    """Errors related to the HID access process."""


class ConnectionError(Exception):
    """Errors related to Session establishment."""


class ChecksumError(Exception):
    """Errors related to the transmission checksums."""


class CommandError(Exception):
    """Errors related to the command stream."""


class MissingFreeStyleKeys(Exception):
    """The freestyle-hid-keys package is missing."""

    def __init__(self):
        super().__init__(
            "The freestyle-hid-keys package is missing, please install it from PyPi."
            " You can install freestyle-hid[encryption] to select the encryption keys"
            " package as an extra dependency."
        )