I have a C++ application that embeds the Python interpreter. It calls PyImport_Import to load scripts. I need a way of getting any syntax errors as C strings. For example, if the script uses a undefined function, I would like an error saying something like 'Function xxx is undefined.' How would I do this?
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PyErr_Occurred lets your C code check whether an exception has been raised, and, if so, what type; then, PyErr_Fetch lets you fetch all details (as Python objects), and you can get the string representation of the error instance with the usual high-level call PyObject_Str (just the same as except Exception, e: ...str(e)... in Python code).
