title: Propagating embedded Python Exceptions up to C++
body: <p>If I have C++ code with embedded Python functions, <em>i.e.</em> it uses Python's C API to call Python's  interpreter, how can I get Python exceptions to bubble up to the C++ level?</p>
  
  <hr>
  
  <p><em>Note:</em> This is <strong>not</strong> the inverse question (about propagating C++ extension exceptions up to the Python intepreter).</p>