plugins: python-renderer: Add gds-render-module

plugins/python-renderer/src/plugin-main.c

@@ -17,6 +17,11 @@
  * along with GDSII-Converter.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/**
+ * @file python-renderer/plugin-main.c
+ * @author Mario
+ */
+
 /**
  * @defgroup python-plugin Python Plugin for External Renderer
  * @ingroup plugins
@@ -33,6 +38,8 @@
 #include <gds-render/gds-utils/gds-types.h>
 #include <gds-render/output-renderers/external-renderer-interfaces.h>
 
+#include <python-renderer/gds-render-module.h>
+
 /**
  * @brief Global variable for loaded module. This is not very nice.
  * @warning This has to be changed, if this api wants to be re-entrant.
@@ -90,6 +97,7 @@ int FUNC_DECL(EXTERNAL_LIBRARY_INIT_FUNCTION)(const char *params, const char *ve
 	Py_Initialize();
 
 	if (!getcwd(cwd, sizeof(cwd))) {
+		fprintf(stderr, "Error getting current working directory. Maybe the path is too long?\n");
 		return -2;
 	}