Optionally disable console by feature

Cargo.toml

@@ -13,6 +13,7 @@ license.workspace = true
 default = ["threading", "stdlib", "importlib"]
 importlib = ["rustpython-vm/importlib"]
 encodings = ["rustpython-vm/encodings"]
+quiet-stdio = ["rustpython-vm/quiet-stdio"]
 stdlib = ["rustpython-stdlib", "rustpython-pylib", "encodings"]
 flame-it = ["rustpython-vm/flame-it", "flame", "flamescope"]
 freeze-stdlib = ["stdlib", "rustpython-vm/freeze-stdlib", "rustpython-pylib?/freeze-stdlib"]

vm/Cargo.toml

@@ -24,6 +24,7 @@ codegen = ["rustpython-codegen", "ast"]
 parser = ["rustpython-parser", "ast"]
 serde = ["dep:serde"]
 wasmbind = ["chrono/wasmbind", "getrandom/wasm_js", "wasm-bindgen"]
+quiet-stdio = []
 
 [dependencies]
 rustpython-compiler = { workspace = true, optional = true }

vm/src/vm/mod.rs

@@ -296,7 +296,10 @@ impl VirtualMachine {
             let importlib = import::init_importlib_base(self)?;
             self.import_utf8_encodings()?;
 
-            #[cfg(any(not(target_arch = "wasm32"), target_os = "wasi"))]
+            #[cfg(all(
+                any(not(target_arch = "wasm32"), target_os = "wasi"),
+                not(feature = "quiet-stdio")
+            ))]
             {
                 let io = import::import_builtin(self, "_io")?;
                 let set_stdio = |name, fd, write| {