Source code for pymodbus.exceptions
'''
Pymodbus Exceptions
--------------------
Custom exceptions to be used in the Modbus code.
'''
[docs]class ModbusException(Exception):
''' Base modbus exception '''
[docs] def __init__(self, string):
''' Initialize the exception
:param string: The message to append to the error
'''
self.string = string
def __str__(self):
return 'Modbus Error: %s' % self.string
[docs]class ModbusIOException(ModbusException):
''' Error resulting from data i/o '''
[docs] def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[Input/Output] %s" % string
ModbusException.__init__(self, message)
[docs]class ParameterException(ModbusException):
''' Error resulting from invalid parameter '''
[docs] def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[Invalid Parameter] %s" % string
ModbusException.__init__(self, message)
class NoSuchSlaveException(ModbusException):
''' Error resulting from making a request to a slave
that does not exist '''
def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[No Such Slave] %s" % string
ModbusException.__init__(self, message)
[docs]class NotImplementedException(ModbusException):
''' Error resulting from not implemented function '''
[docs] def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[Not Implemented] %s" % string
ModbusException.__init__(self, message)
class ConnectionException(ModbusException):
''' Error resulting from a bad connection '''
def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[Connection] %s" % string
ModbusException.__init__(self, message)
class InvalidMessageRecievedException(ModbusException):
"""
Error resulting from invalid response received or decoded
"""
def __init__(self, string=""):
''' Initialize the exception
:param string: The message to append to the error
'''
message = "[Invalid Message] %s" % string
ModbusException.__init__(self, message)
#---------------------------------------------------------------------------#
# Exported symbols
#---------------------------------------------------------------------------#
__all__ = [
"ModbusException", "ModbusIOException",
"ParameterException", "NotImplementedException",
"ConnectionException", "NoSuchSlaveException",
]