Clear the Python exception when the transformation passed in does not parse as an affine transform.

mdboom · mdboom · commit dfa7df97c4c7 · 2013-07-02T14:55:17.000-04:00
diff --git a/src/agg_py_transforms.cpp b/src/agg_py_transforms.cpp
@@ -31,8 +31,10 @@ py_to_agg_transformation_matrix(PyObject* obj, bool errors = true)
     try
     {
         matrix = (PyArrayObject*) PyArray_FromObject(obj, PyArray_DOUBLE, 2, 2);
-        if (!matrix)
+        if (!matrix) {
+            PyErr_Clear();
             throw std::exception();
+        }
     }
     catch (...)
     {

Original file line number	Diff line number	Diff line change
`@@ -31,8 +31,10 @@ py_to_agg_transformation_matrix(PyObject* obj, bool errors = true)`
`31`	`31`	`try`
`32`	`32`	`{`
`33`	`33`	`matrix = (PyArrayObject*) PyArray_FromObject(obj, PyArray_DOUBLE, 2, 2);`
`34`		`- if (!matrix)`
	`34`	`+ if (!matrix) {`
	`35`	`+ PyErr_Clear();`
`35`	`36`	`throw std::exception();`
	`37`	`+ }`
`36`	`38`	`}`
`37`	`39`	`catch (...)`
`38`	`40`	`{`