Merge branch '0.29.x'

CHANGES.rst

@@ -453,6 +453,16 @@ Other changes
 * Support for Python 2.6 was removed.
 
 
+0.29.21 (2020-0?-??)
+====================
+
+Bugs fixed
+----------
+
+* The deprecated C-API function ``PyUnicode_FromUnicode()`` is no longer usd.
+  Original patch by Inada Naoki.  (Github issue #3677)
+
+
 0.29.20 (2020-06-10)
 ====================
 

Cython/Utility/StringTools.c

@@ -495,6 +495,7 @@ static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
 /////////////// decode_c_string ///////////////
 //@requires: IncludeStringH
 //@requires: decode_c_string_utf16
+//@substitute: naming
 
 /* duplicate code to avoid calling strlen() if start >= 0 and stop >= 0 */
 static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
@@ -519,7 +520,7 @@ static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
             stop += length;
     }
     if (unlikely(stop <= start))
-        return PyUnicode_FromUnicode(NULL, 0);
+        return __Pyx_NewRef($empty_unicode);
     length = stop - start;
     cstring += start;
     if (decode_func) {
@@ -538,6 +539,7 @@ static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes(
 
 /////////////// decode_c_bytes ///////////////
 //@requires: decode_c_string_utf16
+//@substitute: naming
 
 static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes(
          const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop,
@@ -555,7 +557,7 @@ static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes(
     if (stop > length)
         stop = length;
     if (unlikely(stop <= start))
-        return PyUnicode_FromUnicode(NULL, 0);
+        return __Pyx_NewRef($empty_unicode);
     length = stop - start;
     cstring += start;
     if (decode_func) {