fix a bug where compare could ignore CAPI exceptions and add _heapq

from_cpython/CMakeLists.txt

@@ -39,6 +39,7 @@ file(GLOB_RECURSE STDMODULE_SRCS Modules
     _collectionsmodule.c
     _csv.c
     _functoolsmodule.c
+    _heapqmodule.c
     _iomodule.c
     _math.c
     _randommodule.c

from_cpython/Lib/test/test_heapq.py

-# expected: fail
 """Unittests for heapq."""
 
 import sys

from_cpython/Modules/_heapqmodule.c

@@ -23,6 +23,8 @@ cmp_lt(PyObject *x, PyObject *y)
         lt = PyString_FromString("__lt__");
         if (lt == NULL)
             return -1;
+        // Pyston change:
+        PyGC_RegisterStaticConstant(lt);
     }
     if (PyObject_HasAttr(x, lt))
         return PyObject_RichCompareBool(x, y, Py_LT);
@@ -621,7 +623,7 @@ maintains the heap invariant!\n");
 PyDoc_STRVAR(__about__,
 "Heap queues\n\
 \n\
-[explanation by Franois Pinard]\n\
+[explanation by François Pinard]\n\
 \n\
 Heaps are arrays for which a[k] <= a[2*k+1] and a[k] <= a[2*k+2] for\n\
 all k, counting elements from 0.  For the sake of comparison,\n\

src/runtime/objmodel.cpp

@@ -5913,12 +5913,15 @@ Box* compareInternal(Box* lhs, Box* rhs, int op_type, CompareRewriteArgs* rewrit
         assert(!lhs->cls->is_user_defined);
 
         Box* r = lhs->cls->tp_richcompare(lhs, rhs, cpython_op_type);
+        if (!r)
+            throwCAPIException();
         RELEASE_ASSERT(r != NotImplemented, "%s returned notimplemented?", lhs->cls->tp_name);
         if (rewrite_args) {
             rewrite_args->out_rtn
                 = rewrite_args->rewriter->call(true, (void*)lhs->cls->tp_richcompare, rewrite_args->lhs,
                                                rewrite_args->rhs, rewrite_args->rewriter->loadConst(cpython_op_type))
                       ->setType(RefType::OWNED);
+            rewrite_args->rewriter->checkAndThrowCAPIException(rewrite_args->out_rtn);
             rewrite_args->out_success = true;
         }
         return r;

src/runtime/types.cpp

@@ -51,49 +51,50 @@
 #include "runtime/super.h"
 #include "runtime/util.h"
 
+extern "C" void initarray();
+extern "C" void init_ast();
+extern "C" void initbinascii();
 extern "C" void init_bisect();
+extern "C" void init_codecs();
+extern "C" void init_collections();
+extern "C" void initcStringIO();
+extern "C" void init_csv();
+extern "C" void initdatetime();
 extern "C" void initerrno();
-extern "C" void init_sha();
-extern "C" void init_sha256();
-extern "C" void init_sha512();
-extern "C" void init_md5();
-extern "C" void init_random();
-extern "C" void init_sre();
+extern "C" void initfcntl();
+extern "C" void init_functools();
+extern "C" void initgc();
+extern "C" void init_heapq();
+extern "C" void initimp();
+extern "C" void init_io();
+extern "C" void inititertools();
 extern "C" void initmath();
+extern "C" void init_md5();
 extern "C" void initoperator();
-extern "C" void initbinascii();
-extern "C" void initpwd();
 extern "C" void initposix();
-extern "C" void init_struct();
-extern "C" void initdatetime();
-extern "C" void init_functools();
-extern "C" void init_collections();
-extern "C" void inititertools();
+extern "C" void initpwd();
+extern "C" void init_random();
 extern "C" void initresource();
-extern "C" void initsignal();
 extern "C" void initselect();
-extern "C" void initfcntl();
-extern "C" void inittime();
-extern "C" void initarray();
-extern "C" void initzlib();
-extern "C" void init_codecs();
+extern "C" void init_sha();
+extern "C" void init_sha256();
+extern "C" void init_sha512();
+extern "C" void initsignal();
 extern "C" void init_socket();
-extern "C" void _PyUnicode_Init();
-extern "C" void _PyWarnings_Init() noexcept;
-extern "C" void _string_init();
+extern "C" void init_sqlite3();
+extern "C" void init_sre();
+extern "C" void init_ssl();
+extern "C" void initstrop();
+extern "C" void init_struct();
+extern "C" void inittime();
 extern "C" void initunicodedata();
 extern "C" void init_weakref();
-extern "C" void initcStringIO();
-extern "C" void init_io();
 extern "C" void initzipimport();
-extern "C" void init_csv();
-extern "C" void init_ssl();
-extern "C" void init_sqlite3();
+extern "C" void initzlib();
 extern "C" void PyMarshal_Init();
-extern "C" void initstrop();
-extern "C" void initgc();
-extern "C" void init_ast();
-extern "C" void initimp();
+extern "C" void _PyUnicode_Init();
+extern "C" void _PyWarnings_Init() noexcept;
+extern "C" void _string_init();
 
 namespace pyston {
 
@@ -4101,6 +4102,7 @@ struct _inittab _PyImport_Inittab[] = { { "array", initarray },
                                         { "errno", initerrno },
                                         { "fcntl", initfcntl },
                                         { "_functools", init_functools },
+                                        { "_heapq", init_heapq },
                                         { "imp", initimp },
                                         { "_io", init_io },
                                         { "itertools", inititertools },

test/CPYTHON_TEST_NOTES.md

@@ -92,7 +92,6 @@ test_getargs2           [unknown]
 test_global             SyntaxWarnings for global statements after uses
 test_gl                 [unknown]
 test_grammar            bug in our tokenizer
-test_heapq              [unknown]
 test_hotshot            [unknown]
 test_idle               [unknown]
 test_imageop            [unknown]