fgerlits commented on code in PR #1883:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1883#discussion_r1819040969
##########
extensions/python/PythonInterpreter.cpp:
##########
@@ -34,30 +44,53 @@ GlobalInterpreterLock::~GlobalInterpreterLock() {
}
namespace {
+struct version {
+ int major;
+ int minor;
+};
+
+std::optional<version> getPythonVersion() {
+ // example version: "3.0a5+ (py3k:63103M, May 12 2008, 00:53:55) \n[GCC
4.2.3]"
+ // "3.12.6 (main, Sep 8 2024, 13:18:56) [GCC 14.2.1
20240805]"
+ std::string ver_str = Py_GetVersion();
+ std::smatch match;
+ if (std::regex_search(ver_str, match, std::regex{"^(\\d+)\\.(\\d+)"})) {
+ return version{std::stoi(match[1]), std::stoi(match[2])};
+ } else {
+ return std::nullopt;
+ }
+}
+
// PyEval_InitThreads might be marked deprecated (depending on the version of
Python.h)
-// Python <= 3.6: This needs to be called manually after Py_Initialize to
initialize threads
+// Python <= 3.6: This needs to be called manually after Py_Initialize to
initialize threads (python < 3.6 is unsupported by us)
// Python >= 3.7: Noop function since its functionality is included in
Py_Initialize
// Python >= 3.9: Marked as deprecated (still noop)
+// Python >= 3.11: removed
// This can be removed if we drop the support for Python 3.6
void initThreads() {
+ using namespace std::literals;
+ if (const auto version = getPythonVersion(); version->major == 3 &&
version->minor <= 6) { return; }
Review Comment:
```suggestion
if (const auto version = getPythonVersion(); version && version->major ==
3 && version->minor <= 6) { return; }
```
or we can log something and terminate if `version` is `nullopt`, but let's
not just crash
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