tmp

Author: corona10

Objects/unicodeobject.c

@@ -1139,6 +1139,21 @@ unicode_fill_invalid(PyObject *unicode, Py_ssize_t old_length)
 }
 #endif
 
+static PyObject*
+resize_copy(PyObject *unicode, Py_ssize_t length)
+{
+    Py_ssize_t copy_length;
+    PyObject *copy;
+
+    copy = PyUnicode_New(length, PyUnicode_MAX_CHAR_VALUE(unicode));
+    if (copy == NULL)
+        return NULL;
+
+    copy_length = Py_MIN(length, PyUnicode_GET_LENGTH(unicode));
+    _PyUnicode_FastCopyCharacters(copy, 0, unicode, 0, copy_length);
+    return copy;
+}
+
 static PyObject*
 resize_compact(PyObject *unicode, Py_ssize_t length)
 {
@@ -1150,7 +1165,9 @@ resize_compact(PyObject *unicode, Py_ssize_t length)
     Py_ssize_t old_length = _PyUnicode_LENGTH(unicode);
 #endif
 
-    assert(unicode_modifiable(unicode));
+    if (!unicode_modifiable(unicode)) {
+        return resize_copy(unicode, length);
+    }
     assert(PyUnicode_IS_COMPACT(unicode));
 
     char_size = PyUnicode_KIND(unicode);
@@ -1250,21 +1267,6 @@ resize_inplace(PyObject *unicode, Py_ssize_t length)
     return 0;
 }
 
-static PyObject*
-resize_copy(PyObject *unicode, Py_ssize_t length)
-{
-    Py_ssize_t copy_length;
-    PyObject *copy;
-
-    copy = PyUnicode_New(length, PyUnicode_MAX_CHAR_VALUE(unicode));
-    if (copy == NULL)
-        return NULL;
-
-    copy_length = Py_MIN(length, PyUnicode_GET_LENGTH(unicode));
-    _PyUnicode_FastCopyCharacters(copy, 0, unicode, 0, copy_length);
-    return copy;
-}
-
 static const char*
 unicode_kind_name(PyObject *unicode)
 {