Hello everyone,
We are trying to implement our own interactive interpreter in our
applicationusing an embedded Python interpreter.
I was wondering what would be the best way to retreive as text the result of
executing Python code. The text must be exactly the same as it would be in
thestandalone interpreter.
We used to do this by changing the embedded interpreter's sys.stdout and
sys.stderrwith a FILE created in C++. We could then execute code using the
PyRun_InteractiveOnefunction and easily retrieve the result from the FILE. The
problem is, our applicationshouldn't create any files if possible.
We also tried replacing sys.stdout and sys.stderr with a custom made Python
objectwhich could be more easily read from C++. We then used the function
PyRun_Stringto execute the code. The problem here is that using the
Py_file_input start tokendoesn't write everything we need to sys.stdout. (i.e.
executing 2+2 does not write 4).It also doesn't print a traceback to sys.stderr
when there is an exception. Using theother two start tokens is impossible since
we need to be able to execute more than one instruction at once. We also tried
using the function PyRun_SimpleString but weencounter the same problems.
We are using python 2.7.
Any suggestions?
Thank you for your time.
Also, I'm new to mailling lists, what is the proper way to reply to someone?
Should Ireply directly to someone's email adress or is there a way to answer
trough the server.
F. Lab
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