Add sysconfig build vars and fix value types

youknowone · youknowone · commit d23eb4af6c83 · 2026-03-01T21:53:42.000+09:00
- Add prefix, exec_prefix, BINDIR to sysconfigdata build_time_vars
- Add Py_DEBUG and ABIFLAGS to sysconfigdata
- Fix Py_GIL_DISABLED/Py_DEBUG to use int (1/0) instead of bool
- Gitignore generated _sysconfig_vars*.json
diff --git a/.gitignore b/.gitignore
@@ -22,6 +22,7 @@ flamescope.json
 extra_tests/snippets/resources
 extra_tests/not_impl.py
 
+Lib/_sysconfig_vars*.json
 Lib/site-packages/*
 !Lib/site-packages/README.txt
 Lib/test/data/*
diff --git a/crates/vm/src/stdlib/sysconfig.rs b/crates/vm/src/stdlib/sysconfig.rs
@@ -15,10 +15,9 @@ pub(crate) mod _sysconfig {
             .unwrap();
         vars.set_item("SOABI", vm.ctx.none(), vm).unwrap();
 
-        vars.set_item("Py_GIL_DISABLED", true.to_pyobject(vm), vm)
-            .unwrap();
-        vars.set_item("Py_DEBUG", false.to_pyobject(vm), vm)
+        vars.set_item("Py_GIL_DISABLED", (1).to_pyobject(vm), vm)
             .unwrap();
+        vars.set_item("Py_DEBUG", (0).to_pyobject(vm), vm).unwrap();
 
         vars
     }
diff --git a/crates/vm/src/stdlib/sysconfigdata.rs b/crates/vm/src/stdlib/sysconfigdata.rs
@@ -14,6 +14,14 @@ mod _sysconfigdata {
     fn module_exec(vm: &VirtualMachine, module: &Py<PyModule>) -> PyResult<()> {
         // Set build_time_vars attribute
         let build_time_vars = build_time_vars(vm);
+
+        // Add runtime-dependent values needed by sysconfig
+        let paths = &vm.state.config.paths;
+        build_time_vars.set_item("prefix", paths.prefix.clone().to_pyobject(vm), vm)?;
+        build_time_vars.set_item("exec_prefix", paths.exec_prefix.clone().to_pyobject(vm), vm)?;
+        let bindir = format!("{}/bin", &paths.exec_prefix);
+        build_time_vars.set_item("BINDIR", bindir.to_pyobject(vm), vm)?;
+
         module.set_attr("build_time_vars", build_time_vars, vm)?;
 
         // Ensure the module is registered under the platform-specific name
@@ -43,6 +51,8 @@ mod _sysconfigdata {
             "HAVE_GETRANDOM" => 1,
             // RustPython has no GIL (like free-threaded Python)
             "Py_GIL_DISABLED" => 1,
+            "Py_DEBUG" => 0,
+            "ABIFLAGS" => "t",
             // Compiler configuration for native extension builds
             "CC" => "cc",
             "CXX" => "c++",
