[pygobject] Move from Python integer marshaling into separate function

[Simon Feltman <sfeltman src gnome org>]

commit fe9df90531f3dd04c0d13d73ebd4ae7dd396c9b1
Author: Simon Feltman <sfeltman src gnome org>
Date:   Mon Jul 22 23:23:29 2013 -0700

    Move from Python integer marshaling into separate function
    
    Add _pygi_marshal_from_py_long for marshaling Python objects
    that can convert to a PyLong type. This allows for better
    sharing of code amongst marshalers along with unifying
    them across Python 2.7 and 3.0.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=693405

 gi/pygi-argument.c        |    3 +-
 gi/pygi-marshal-from-py.c |  159 +++++++++++++++++++++++----------------------
 2 files changed, 84 insertions(+), 78 deletions(-)
---
diff --git a/gi/pygi-argument.c b/gi/pygi-argument.c
index b0b108f..249f59b 100644
--- a/gi/pygi-argument.c
+++ b/gi/pygi-argument.c
@@ -898,7 +898,8 @@ _pygi_argument_from_object (PyObject   *object,
     memset(&arg, 0, sizeof(GIArgument));
     type_tag = g_type_info_get_tag (type_info);
 
-    if (_pygi_marshal_from_py_basic_type (object, &arg, type_tag, transfer)) {
+    if (_pygi_marshal_from_py_basic_type (object, &arg, type_tag, transfer) ||
+            PyErr_Occurred()) {
         return arg;
     }
 
diff --git a/gi/pygi-marshal-from-py.c b/gi/pygi-marshal-from-py.c
index 6d8629f..fdf13af 100644
--- a/gi/pygi-marshal-from-py.c
+++ b/gi/pygi-marshal-from-py.c
@@ -923,6 +923,77 @@ _pygi_marshal_from_py_filename (PyGIInvokeState   *state,
     return TRUE;
 }
 
+static gboolean
+_pygi_marshal_from_py_long (PyObject   *object,   /* in */
+                            GIArgument *arg,      /* out */
+                            GITypeTag   type_tag,
+                            GITransfer  transfer)
+{
+    PyObject *number;
+
+#if PY_MAJOR_VERSION < 3
+    {
+        PyObject *tmp = PyNumber_Int (object);
+        if (tmp) {
+            number = PyNumber_Long (tmp);
+            Py_DECREF (tmp);
+        } else {
+            number = PyNumber_Long (object);
+        }
+    }
+#else
+    number = PyNumber_Long (object);
+#endif
+
+    if (number == NULL) {
+        PyErr_SetString (PyExc_TypeError, "expected int argument");
+        return FALSE;
+    }
+
+    switch (type_tag) {
+        case GI_TYPE_TAG_INT8:
+            arg->v_int8 = PyLong_AsLong (number);
+            break;
+
+        case GI_TYPE_TAG_INT16:
+            arg->v_int16 = PyLong_AsLong (number);
+            break;
+
+        case GI_TYPE_TAG_INT32:
+            arg->v_int32 = PyLong_AsLong (number);
+            break;
+
+        case GI_TYPE_TAG_INT64:
+            arg->v_int64 = PyLong_AsLongLong (number);
+            break;
+
+        case GI_TYPE_TAG_UINT8:
+            arg->v_uint8 = PyLong_AsLong (number);
+            break;
+
+        case GI_TYPE_TAG_UINT16:
+            arg->v_uint16 = PyLong_AsLong (number);
+            break;
+
+        case GI_TYPE_TAG_UINT32:
+            arg->v_uint32 = PyLong_AsUnsignedLong (number);
+            break;
+
+        case GI_TYPE_TAG_UINT64:
+            arg->v_uint64 = PyLong_AsUnsignedLongLong (number);
+            break;
+
+        default:
+            g_assert_not_reached ();
+    }
+
+    Py_DECREF (number);
+
+    if (PyErr_Occurred())
+        return FALSE;
+    return TRUE;
+}
+
 gboolean
 _pygi_marshal_from_py_basic_type (PyObject   *object,   /* in */
                                   GIArgument *arg,      /* out */
@@ -942,90 +1013,19 @@ _pygi_marshal_from_py_basic_type (PyObject   *object,   /* in */
                 arg->v_pointer = PyLong_AsVoidPtr (object);
             }
             break;
-        case GI_TYPE_TAG_BOOLEAN:
-        {
-            arg->v_boolean = PyObject_IsTrue (object);
-            break;
-        }
         case GI_TYPE_TAG_INT8:
-        case GI_TYPE_TAG_INT16:
-        case GI_TYPE_TAG_INT32:
-        {
-            PyObject *int_;
-
-            int_ = PYGLIB_PyNumber_Long (object);
-            if (int_ == NULL) {
-                PyErr_SetString (PyExc_TypeError, "expected int argument");
-                break;
-            }
-
-            if (type_tag == GI_TYPE_TAG_INT32)
-                arg->v_int32 = PYGLIB_PyLong_AsLong (int_);
-            else if (type_tag == GI_TYPE_TAG_INT8)
-                arg->v_int8 = PYGLIB_PyLong_AsLong (int_);
-            else if (type_tag == GI_TYPE_TAG_INT16)
-                arg->v_int16 = PYGLIB_PyLong_AsLong (int_);
-
-            Py_DECREF (int_);
-
-            break;
-        }
         case GI_TYPE_TAG_UINT8:
+        case GI_TYPE_TAG_INT16:
         case GI_TYPE_TAG_UINT16:
+        case GI_TYPE_TAG_INT32:
         case GI_TYPE_TAG_UINT32:
+        case GI_TYPE_TAG_INT64:
         case GI_TYPE_TAG_UINT64:
-        {
-            PyObject *number;
-            guint64 value;
+            return _pygi_marshal_from_py_long (object, arg, type_tag, transfer);
 
-            number = PYGLIB_PyNumber_Long (object);
-            if (number == NULL) {
-                PyErr_SetString (PyExc_TypeError, "expected int argument");
-                break;
-            }
-
-#if PY_VERSION_HEX < 0x03000000
-            if (PyInt_Check (number)) {
-                value = PyInt_AS_LONG (number);
-            } else
-#endif
-            value = PyLong_AsUnsignedLongLong (number);
-
-            if (type_tag == GI_TYPE_TAG_UINT32)
-                arg->v_uint32 = value;
-            else if (type_tag == GI_TYPE_TAG_UINT64)
-                arg->v_uint64 = value;
-            else if (type_tag == GI_TYPE_TAG_UINT8)
-                arg->v_uint8 = value;
-            else if (type_tag == GI_TYPE_TAG_UINT16)
-                arg->v_uint16 = value;
-
-            Py_DECREF (number);
-
-            break;
-        }
-        case GI_TYPE_TAG_INT64:
+        case GI_TYPE_TAG_BOOLEAN:
         {
-            PyObject *number;
-            gint64 value;
-
-            number = PYGLIB_PyNumber_Long (object);
-            if (number == NULL) {
-                PyErr_SetString (PyExc_TypeError, "expected int argument");
-                break;
-            }
-
-#if PY_VERSION_HEX < 0x03000000
-            if (PyInt_Check (number)) {
-                value = PyInt_AS_LONG (number);
-            } else
-#endif
-            value = PyLong_AsLongLong (number);
-
-            arg->v_int64 = value;
-
-            Py_DECREF (number);
-
+            arg->v_boolean = PyObject_IsTrue (object);
             break;
         }
         case GI_TYPE_TAG_FLOAT:
@@ -1067,9 +1067,14 @@ _pygi_marshal_from_py_basic_type (PyObject   *object,   /* in */
         default:
             return FALSE;
     }
+
+    if (PyErr_Occurred())
+        return FALSE;
+
     return TRUE;
 }
 
+
 gboolean
 _pygi_marshal_from_py_array (PyGIInvokeState   *state,
                              PyGICallableCache *callable_cache,