basic wasip2 support

.cspell.dict/rust-more.txt

@@ -74,6 +74,8 @@ unic
 unistd
 unraw
 unsync
+wasip1
+wasip2
 wasmbind
 wasmtime
 widestring

common/src/lib.rs

@@ -1,5 +1,6 @@
 //! A crate to hold types and functions common to all rustpython components.
 
+#![cfg_attr(all(target_os = "wasi", target_env = "p2"), feature(wasip2))]
 #![cfg_attr(target_os = "redox", feature(byte_slice_trim_ascii, new_uninit))]
 
 #[macro_use]

src/lib.rs

@@ -35,6 +35,8 @@
 //!
 //! The binary will have all the standard arguments of a python interpreter (including a REPL!) but
 //! it will have your modules loaded into the vm.
+
+#![cfg_attr(all(target_os = "wasi", target_env = "p2"), feature(wasip2))]
 #![allow(clippy::needless_doctest_main)]
 
 #[macro_use]

stdlib/src/lib.rs

@@ -1,6 +1,8 @@
 // to allow `mod foo {}` in foo.rs; clippy thinks this is a mistake/misunderstanding of
 // how `mod` works, but we want this sometimes for pymodule declarations
+
 #![allow(clippy::module_inception)]
+#![cfg_attr(all(target_os = "wasi", target_env = "p2"), feature(wasip2))]
 #![cfg_attr(target_os = "redox", feature(raw_ref_op))]
 
 #[macro_use]