Fix bool.from_bytes

Author: hyperbora

Lib/test/test_bool.py

@@ -326,8 +326,6 @@ def __len__(self):
                 return -1
         self.assertRaises(ValueError, bool, Eggs())
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_from_bytes(self):
         self.assertIs(bool.from_bytes(b'\x00'*8, 'big'), False)
         self.assertIs(bool.from_bytes(b'abcd', 'little'), True)

vm/src/obj/objint.rs

@@ -233,6 +233,12 @@ impl PyInt {
     {
         if cls.is(&vm.ctx.types.int_type) {
             Ok(vm.ctx.new_int(value).downcast().unwrap())
+        } else if cls.is(&vm.ctx.types.bool_type) {
+            Ok(vm
+                .ctx
+                .new_bool(!value.into().eq(&BigInt::zero()))
+                .downcast()
+                .unwrap())
         } else {
             PyInt::from(value).into_ref_with_type(vm, cls)
         }