Create vimbaexception.py

1 files changed, 62 insertions, 0 deletions

diff --git a/vimbaexception.py b/vimbaexception.py
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+# -*- coding: utf-8 -*-
+import exceptions
+
+class VimbaException(Exception):
+	"""
+	An exception for the AVT Vimba API.	It contains a message
+	property which is a string indicating what went	wrong.
+	
+	:param errorCode: Error code to be used to look up error message.
+	"""
+
+	@property
+	def message(self):
+		return self._errorCodes[self.errorCode]
+			
+	@property
+	def errorCode(self):
+		return self._errorCode
+
+	_errorCodes = { # Vimba C API specific errors
+					 0: 	'No error.',
+					-1: 	'Unexpected fault in VimbaC or driver.',
+					-2: 	'VmbStartup() was not called before the current command.',
+					-3: 	'The designated instance (camera, feature etc.) cannot be found.',
+					-4: 	'The given handle is not valid, ensure device open.',
+					-5: 	'Device was not opened for usage.',
+					-6: 	'Operation is invalid with the current access mode.',
+					-7: 	'One of the parameters was invalid (usually an illegal pointer).',
+					-8: 	'The given struct size is not valid for this version of the API.',
+					-9: 	'More data was returned in a string/list than space was provided.',
+					-10:    'The feature type for this access function was wrong.',
+					-11:    'The value was not valid; either out of bounds or not an increment of the minimum.',
+					-12:    'Timeout during wait.',
+					-13:    'Other error.',
+					-14:    'Resources not available (e.g. memory).',
+					-15:    'Call is invalid in the current context (e.g. callback).',
+					-16:    'No transport layers were found.',
+					-17:    'API feature is not implemented.',
+					-18:   	'API feature is not supported.',
+					-19:    'A multiple registers read or write was partially completed.',
+					
+					# Custom errors
+					-50:	'Could not find the specified camera.',
+					-51:	'Not enough memory to assign frame buffer.',
+					-52:	'Invalid input.',
+					-53:	'Could not find the specified feature.',
+					
+					# Miscellaneous errors					
+					-1000:	'Oops, unknown internal error code!',
+					-1001:	'Oops, this VimbaFeature function is not yet implemented!'}
+	
+	def __init__(self, errorCode):
+		# if error code does not match expected codes then assign invalid code
+		if errorCode in self._errorCodes:
+			self._errorCode = errorCode
+		else:
+			self._errorCode = -1000
+		
+	
+
+
+