STINNER Victor <[email protected]> added the comment:
I tested fontforge. It became clear to me that the fontforge must be able to
call Py_Initialize() and only later call Py_Main(). fontforge calls
Py_Initialize() and then uses the Python API:
/* This is called to start up the embedded python interpreter */
void FontForge_InitializeEmbeddedPython(void) {
// static int python_initialized is declared above.
if ( python_initialized )
return;
SetPythonProgramName("fontforge");
RegisterAllPyModules();
Py_Initialize();
python_initialized = 1;
/* The embedded python interpreter is now functionally
* "running". We can modify it to our needs.
*/
CreateAllPyModules();
InitializePythonMainNamespace();
}
Py_Main() is called after FontForge_InitializeEmbeddedPython().
To be clear, Py_Main() must be fixed in Python 3.7 to apply properly the new
configuration, or *at least* define sys.argv.
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<https://bugs.python.org/issue34008>
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