Port tests to pytest and put into tests directory

setup.py

@@ -154,12 +154,12 @@ def get_compiler_settings():
         if ldflags:
             settings['extra_link_args'].extend(ldflags.split())
 
-        from array import array
-        UNICODE_WIDTH = array('u').itemsize
-#        if UNICODE_WIDTH == 4:
-#            # This makes UnixODBC use UCS-4 instead of UCS-2, which works better with sizeof(wchar_t)==4.
-#            # Thanks to Marc-Antoine Parent
-#            settings['define_macros'].append(('SQL_WCHART_CONVERT', '1'))
+        #  from array import array
+        #  UNICODE_WIDTH = array('u').itemsize
+        #        if UNICODE_WIDTH == 4:
+        #            # This makes UnixODBC use UCS-4 instead of UCS-2, which works better with sizeof(wchar_t)==4.
+        #            # Thanks to Marc-Antoine Parent
+        #            settings['define_macros'].append(('SQL_WCHART_CONVERT', '1'))
 
         # What is the proper way to detect iODBC, MyODBC, unixODBC, etc.?
         settings['libraries'].append('odbc')

src/errors.cpp

@@ -88,7 +88,7 @@ PyObject* RaiseErrorV(const char* sqlstate, PyObject* exc_class, const char* for
     pAttrs = Py_BuildValue("(Os)", pMsg, sqlstate);
     if (pAttrs)
     {
-        pError = PyEval_CallObject(exc_class, pAttrs);
+        pError = PyObject_CallObject(exc_class, pAttrs);
         if (pError)
             RaiseErrorFromException(pError);
     }
@@ -154,7 +154,7 @@ static PyObject* GetError(const char* sqlstate, PyObject* exc_class, PyObject* p
 
     PyTuple_SetItem(pAttrs, 0, pSqlState); // pAttrs now owns the pSqlState reference
 
-    pError = PyEval_CallObject(exc_class, pAttrs); // pError will incref pAttrs
+    pError = PyObject_CallObject(exc_class, pAttrs); // pError will incref pAttrs
 
     Py_XDECREF(pAttrs);
 

src/textenc.cpp

@@ -99,7 +99,7 @@ PyObject* TextBufferToObject(const TextEnc& enc, const byte* pbData, Py_ssize_t
     // first pointed this out with shift_jis.  I'm not sure if it is a fault in the
     // implementation of this codec or if others will have it also.
 
-    PyObject* str;
+    //  PyObject* str;
 
     if (cbData == 0)
         return PyUnicode_FromStringAndSize("", 0);