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Add SIP_THROW annotation
SIP uses the deprecated throw(...) annotation in order to determine which exceptions may be thrown by c++ code. Without these, only a generic unknown exception is throw, which is of limited value to Python code (losing any valuable message and exception type). So we add a new SIP_THROW macro, which can be added to method's declaration: bool doSomething() SIP_THROW( QgsCsException ); This is ignored outside of sipify, so we don't actually use the deprecated c++ throw annotations, but sipify picks it up and adds the appropriate change to the sip definition for the method: bool doSomething() throw( QgsCsException ); This means that calling the method from Python will raise the QgsCsException instead of a generic exception.
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