capifunc_cls.__name__, PyNumber_Invert

src/capi/abstract.cpp

@@ -1621,8 +1621,12 @@ extern "C" PyObject* PyNumber_Absolute(PyObject* o) noexcept {
 }
 
 extern "C" PyObject* PyNumber_Invert(PyObject* o) noexcept {
-    fatalOrError(PyExc_NotImplementedError, "unimplemented");
-    return nullptr;
+    try {
+        return unaryop(o, AST_TYPE::Invert);
+    } catch (ExcInfo e) {
+        setCAPIException(e);
+        return nullptr;
+    }
 }
 
 extern "C" PyObject* PyNumber_Lshift(PyObject* lhs, PyObject* rhs) noexcept {

src/capi/types.h

@@ -89,6 +89,14 @@ public:
         return rtn;
     }
 
+    static Box* getname(Box* b, void*) {
+        RELEASE_ASSERT(b->cls == capifunc_cls, "");
+        const char* s = static_cast<BoxedCApiFunction*>(b)->name;
+        if (s)
+            return boxStrConstant(s);
+        return None;
+    }
+
     static Box* callInternal(BoxedFunctionBase* func, CallRewriteArgs* rewrite_args, ArgPassSpec argspec, Box* arg1,
                              Box* arg2, Box* arg3, Box** args, const std::vector<const std::string*>* keyword_names);
 };

src/runtime/capi.cpp

@@ -1392,6 +1392,8 @@ void setupCAPI() {
     auto capi_call = new BoxedFunction(boxRTFunction((void*)BoxedCApiFunction::__call__, UNKNOWN, 1, 0, true, true));
     capi_call->f->internal_callable = BoxedCApiFunction::callInternal;
     capifunc_cls->giveAttr("__call__", capi_call);
+    capifunc_cls->giveAttr("__name__",
+                           new (pyston_getset_cls) BoxedGetsetDescriptor(BoxedCApiFunction::getname, NULL, NULL));
 
     capifunc_cls->freeze();
 

test/tests/math_test.py

@@ -18,3 +18,5 @@ print min(range(5))
 
 for x in [float("inf"), math.pi]:
     print x, math.isinf(x), math.fabs(x), math.ceil(x), math.log(x), math.log10(x)
+
+print math.sqrt.__name__

test/tests/operator__name__.py

-# expected: fail
-import operator
-
-for op in sorted(dir(operator)):
-    if op.startswith("_"):
-        continue
-    print getattr(operator, op).__name__

test/tests/operator_test.py

@@ -16,3 +16,7 @@ f = operator.attrgetter("count")
 print f(["a", "a"])("a")
 print f("ababa")("a")
 
+for op in sorted(dir(operator)):
+    if op.startswith("_"):
+        continue
+    print getattr(operator, op).__name__