mirror of
https://github.com/mjg59/python-broadlink.git
synced 2024-09-21 12:30:10 +02:00
174 lines
3.8 KiB
Python
174 lines
3.8 KiB
Python
"""Exceptions for Broadlink devices."""
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import struct
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class BroadlinkException(Exception):
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"""Common base class for all Broadlink exceptions."""
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def __init__(self, *args, **kwargs):
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"""Initialize the exception."""
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super().__init__(*args, **kwargs)
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if len(args) >= 3:
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self.errno = args[0]
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self.strerror = "%s: %s" % (args[1], args[2])
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elif len(args) == 2:
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self.errno = args[0]
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self.strerror = str(args[1])
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elif len(args) == 1:
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self.errno = None
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self.strerror = str(args[0])
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else:
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self.errno = None
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self.strerror = ""
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def __str__(self):
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"""Return the error message."""
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if self.errno is not None:
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return "[Errno %s] %s" % (self.errno, self.strerror)
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return self.strerror
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class FirmwareException(BroadlinkException):
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"""Common base class for all firmware exceptions."""
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pass
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class AuthenticationError(FirmwareException):
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"""Authentication error."""
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pass
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class AuthorizationError(FirmwareException):
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"""Authorization error."""
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pass
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class CommandNotSupportedError(FirmwareException):
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"""Command not supported error."""
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pass
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class ConnectionClosedError(FirmwareException):
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"""Connection closed error."""
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pass
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class DataValidationError(FirmwareException):
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"""Data validation error."""
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pass
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class DeviceOfflineError(FirmwareException):
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"""Device offline error."""
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pass
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class ReadError(FirmwareException):
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"""Read error."""
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pass
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class SendError(FirmwareException):
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"""Send error."""
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pass
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class SSIDNotFoundError(FirmwareException):
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"""SSID not found error."""
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pass
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class StorageError(FirmwareException):
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"""Storage error."""
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pass
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class WriteError(FirmwareException):
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"""Write error."""
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pass
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class SDKException(BroadlinkException):
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"""Common base class for all SDK exceptions."""
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pass
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class ChecksumError(SDKException):
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"""Received data packet check error."""
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pass
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class LengthError(SDKException):
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"""Received data packet length error."""
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pass
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class DNSLookupError(SDKException):
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"""Failed to obtain local IP address."""
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pass
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class NetworkTimeoutError(SDKException):
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"""Network timeout error."""
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pass
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class UnknownError(BroadlinkException):
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"""Unknown error."""
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pass
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BROADLINK_EXCEPTIONS = {
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# Firmware-related errors are generated by the device.
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-1: (AuthenticationError, "Authentication failed"),
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-2: (ConnectionClosedError, "You have been logged out"),
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-3: (DeviceOfflineError, "The device is offline"),
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-4: (CommandNotSupportedError, "Command not supported"),
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-5: (StorageError, "The device storage is full"),
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-6: (DataValidationError, "Structure is abnormal"),
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-7: (AuthorizationError, "Control key is expired"),
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-8: (SendError, "Send error"),
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-9: (WriteError, "Write error"),
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-10: (ReadError, "Read error"),
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-11: (SSIDNotFoundError, "SSID could not be found in AP configuration"),
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# DNASDK related errors are generated by this module.
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-4000: (NetworkTimeoutError, "Network timeout"),
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-4007: (LengthError, "Received data packet length error"),
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-4008: (ChecksumError, "Received data packet check error"),
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-4013: (DNSLookupError, "Failed to obtain local IP address"),
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}
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def exception(error_code):
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"""Return exception corresponding to an error code."""
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try:
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exc, msg = BROADLINK_EXCEPTIONS[error_code]
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return exc(error_code, msg)
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except KeyError:
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return UnknownError(error_code, "Unknown error")
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def check_error(error):
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"""Raise exception if an error occurred."""
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error_code = struct.unpack("h", error)[0]
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if error_code:
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raise exception(error_code)
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