From 2083e4d35930ce1464c22ce1957853db68a7300b Mon Sep 17 00:00:00 2001
From: Roland Dobai <roland@espressif.com>
Date: Tue, 18 Oct 2022 11:23:24 +0200
Subject: [PATCH] Tools: Detect if the project is configured for a different
 Python

Closes https://github.com/espressif/esp-idf/issues/9993
---
 tools/idf_py_actions/tools.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/idf_py_actions/tools.py b/tools/idf_py_actions/tools.py
index 8d0cdc24899..098d9a78155 100644
--- a/tools/idf_py_actions/tools.py
+++ b/tools/idf_py_actions/tools.py
@@ -442,6 +442,7 @@ def ensure_build_directory(args: 'PropertyDict', prog_name: str, always_run_cmak
                 '-G',
                 args.generator,
                 '-DPYTHON_DEPS_CHECKED=1',
+                '-DPYTHON={}'.format(sys.executable),
                 '-DESP_PLATFORM=1',
             ]
             if args.cmake_warn_uninitialized:
@@ -482,6 +483,15 @@ def ensure_build_directory(args: 'PropertyDict', prog_name: str, always_run_cmak
     except KeyError:
         pass  # if cmake failed part way, CMAKE_HOME_DIRECTORY may not be set yet
 
+    try:
+        python = cache['PYTHON']
+        if python != sys.executable:
+            raise FatalError(
+                "'{}' is currently active in the environment while the project was configured with '{}'. "
+                "Run '{} fullclean' to start again.".format(sys.executable, python, prog_name))
+    except KeyError:
+        pass
+
 
 def merge_action_lists(*action_lists: Dict) -> Dict:
     merged_actions: Dict = {