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"""
This module contains exceptions for use throughout the L11 Colorlib.
"""
class ColorMathException(Exception):
"""
Base exception for all colormath exceptions.
"""
pass
class UndefinedConversionError(ColorMathException):
"""
Raised when the user asks for a color space conversion that does not exist.
"""
def __init__(self, cobj, cs_to):
super(UndefinedConversionError, self).__init__(cobj, cs_to)
self.message = "Conversion from %s to %s is not defined." % (cobj, cs_to)
class InvalidIlluminantError(ColorMathException):
"""
Raised when an invalid illuminant is set on a ColorObj.
"""
def __init__(self, illuminant):
super(InvalidIlluminantError, self).__init__(illuminant)
self.message = "Invalid illuminant specified: %s" % illuminant
class InvalidObserverError(ColorMathException):
"""
Raised when an invalid observer is set on a ColorObj.
"""
def __init__(self, cobj):
super(InvalidObserverError, self).__init__(cobj)
self.message = "Invalid observer angle specified: %s" % cobj.observer
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