222 base_executable = config.get('base_executable')  variable
312         base_executable = f"{dirname(library)}/bin/python{VERSION_MAJOR}.{VERSION_MINOR}"  variable
314         base_executable = executable  variable
317         real_executable = base_executable
366             if not base_executable:
370                     base_executable = realpath(executable)  variable
371                     if base_executable == executable:
373                         base_executable = ''  variable
376                 if not base_executable:
377                     base_executable = joinpath(executable_dir, basename(executable))  variable
383                     if os_name != 'nt' and not isfile(base_executable):
395                                 base_executable = candidate  variable
406 if not base_executable:
407     base_executable = executable or real_executable or ''  variable
410     real_executable = base_executable
780 config['base_executable'] = base_executable