[New-bugs-announce] [issue46682] python 3.10 Py_Initialize/Py_Main std path no longer includes site-packages

Paul Jaggi report at bugs.python.org
Tue Feb 8 12:39:09 EST 2022


New submission from Paul Jaggi <pjaggi1 at yahoo.com>:

Have the following simple program:
#include <iostream>
#include <Python.h>

using namespace std;

int main(int argc, char** argv) {
  wchar_t* args[argc];
  for(int i = 0; i < argc; ++i) {
    args[i] = Py_DecodeLocale(argv[i], nullptr);
  }

  Py_Initialize();
  const int exit_code = Py_Main(argc, args);
  cout << "Exit code: " << exit_code << endl;
  cout << "press any key to exit" << endl;
  cin.get();
  return 0;
}

When you run this program and in the console:
import sys
sys.path

for Python versions between 3.7-3.9, you get the installed python site-packages by default.  For Python 3.10, you don't.  This happens on both windows and Mac.  Is this an intentional change?

----------
components: C API
messages: 412848
nosy: pjaggi1
priority: normal
severity: normal
status: open
title: python 3.10 Py_Initialize/Py_Main std path no longer includes site-packages
type: behavior
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46682>
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