consolidate exception stuff for Python so both GDAL and OGR can use it (

https://trac.osgeo.org/gdal/ticket/1638)

git-svn-id: https://svn.osgeo.org/gdal/trunk@11517 f0d54148-0727-0410-94bb-9a71ac55c965

gdal/swig/include/python/gdal_python.i

@@ -33,49 +33,9 @@
   }
 %}
 
-/*
- * This was the cpl_exceptions.i code.  But since python is the only one
- * different (should support old method as well as new one)
- * it was moved into this file.
- */
-%{
-int bUseExceptions=0;
-
-void VeryQuiteErrorHandler(CPLErr eclass, int code, const char *msg ) {
-  /* If the error class is CE_Fatal, we want to have a message issued
-     because the CPL support code does an abort() before any exception
-     can be generated */
-  if (eclass == CE_Fatal ) {
-    CPLDefaultErrorHandler(eclass, code, msg );
-  }
-}
-%}
-
-%inline %{
-void UseExceptions() {
-  bUseExceptions = 1;
-  CPLSetErrorHandler( (CPLErrorHandler) VeryQuiteErrorHandler );
-}
 
-void DontUseExceptions() {
-  bUseExceptions = 0;
-  CPLSetErrorHandler( CPLDefaultErrorHandler );
-}
-%}
-
-%include exception.i
-
-%exception {
-
-    $action
-    if ( bUseExceptions ) {
-      CPLErr eclass = CPLGetLastErrorType();
-      if ( eclass == CE_Failure || eclass == CE_Fatal ) {
-        SWIG_exception( SWIG_RuntimeError, CPLGetLastErrorMsg() );
-      }
-    }
-}
 
+%include "python_exceptions.i"
 
 %extend GDAL_GCP {
 %pythoncode {

gdal/swig/include/python/ogr_python.i

@@ -29,6 +29,8 @@
 %rename (SetGenerate_DB2_V72_BYTE_ORDER) OGRSetGenerate_DB2_V72_BYTE_ORDER;
 %rename (RegisterAll) OGRRegisterAll();
 
+%include "python_exceptions.i"
+
 %extend OGRDataSourceShadow {
   %pythoncode {
     def Destroy(self):

gdal/swig/include/python/python_exceptions.i

@@ -0,0 +1,42 @@
+/*
+ * This was the cpl_exceptions.i code.  But since python is the only one
+ * different (should support old method as well as new one)
+ * it was moved into this file.
+ */
+%{
+int bUseExceptions=0;
+
+void VeryQuiteErrorHandler(CPLErr eclass, int code, const char *msg ) {
+  /* If the error class is CE_Fatal, we want to have a message issued
+     because the CPL support code does an abort() before any exception
+     can be generated */
+  if (eclass == CE_Fatal ) {
+    CPLDefaultErrorHandler(eclass, code, msg );
+  }
+}
+%}
+
+%inline %{
+void UseExceptions() {
+  bUseExceptions = 1;
+  CPLSetErrorHandler( (CPLErrorHandler) VeryQuiteErrorHandler );
+}
+
+void DontUseExceptions() {
+  bUseExceptions = 0;
+  CPLSetErrorHandler( CPLDefaultErrorHandler );
+}
+%}
+
+%include exception.i
+
+%exception {
+
+    $action
+    if ( bUseExceptions ) {
+      CPLErr eclass = CPLGetLastErrorType();
+      if ( eclass == CE_Failure || eclass == CE_Fatal ) {
+        SWIG_exception( SWIG_RuntimeError, CPLGetLastErrorMsg() );
+      }
+    }
+}