Move pylib -> crates/pylib (#6225)

* Move `pylib

* clean `build.rs` a bit

Cargo.toml

@@ -131,7 +131,6 @@ members = [
     "jit",
     "vm",
     "vm/sre_engine",
-    "pylib",
     "stdlib",
     "derive-impl",
     "wtf8",
@@ -157,7 +156,7 @@ rustpython-derive-impl = { path = "derive-impl", version = "0.4.0" }
 rustpython-jit = { path = "jit", version = "0.4.0" }
 rustpython-literal = { path = "compiler/literal", version = "0.4.0" }
 rustpython-vm = { path = "vm", default-features = false, version = "0.4.0" }
-rustpython-pylib = { path = "pylib", version = "0.4.0" }
+rustpython-pylib = { path = "crates/pylib", version = "0.4.0" }
 rustpython-stdlib = { path = "stdlib", default-features = false, version = "0.4.0" }
 rustpython-sre_engine = { path = "vm/sre_engine", version = "0.4.0" }
 rustpython-wtf8 = { path = "wtf8", version = "0.4.0" }

crates/pylib/Lib

@@ -0,0 +1 @@
+../../Lib/

crates/pylib/build.rs

@@ -1,10 +1,12 @@
+const CRATE_ROOT: &str = "../..";
+
 fn main() {
-    process_python_libs("../vm/Lib/python_builtins/*");
+    process_python_libs(format!("{CRATE_ROOT}/vm/Lib/python_builtins/*").as_str());
+    process_python_libs(format!("{CRATE_ROOT}/vm/Lib/core_modules/*").as_str());
 
-    process_python_libs("../vm/Lib/core_modules/*");
     #[cfg(feature = "freeze-stdlib")]
     if cfg!(windows) {
-        process_python_libs("../Lib/**/*");
+        process_python_libs(format!("{CRATE_ROOT}/Lib/**/*").as_str());
     } else {
         process_python_libs("./Lib/**/*");
     }

example_projects/frozen_stdlib/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 rustpython = { path = "../../", default-features = false, features = ["freeze-stdlib"] }
 rustpython-vm = { path = "../../vm", default-features = false, features = ["freeze-stdlib"] }
-rustpython-pylib = { path = "../../pylib", default-features = false, features = ["freeze-stdlib"] }
+rustpython-pylib = { path = "../../crates/pylib", default-features = false, features = ["freeze-stdlib"] }
 
 [workspace]
 

pylib/Lib

@@ -1 +0,0 @@
-../Lib