THRIFT-471. python: Generated exceptions should implement __str__
This makes Python stack dumps properly show the exception content.
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@770002 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/src/generate/t_py_generator.cc b/compiler/cpp/src/generate/t_py_generator.cc
index cd7f760..343c982 100644
--- a/compiler/cpp/src/generate/t_py_generator.cc
+++ b/compiler/cpp/src/generate/t_py_generator.cc
@@ -637,6 +637,16 @@
generate_py_struct_reader(out, tstruct);
generate_py_struct_writer(out, tstruct);
+ // For exceptions only, generate a __str__ method. This is
+ // because when raised exceptions are printed to the console, __repr__
+ // isn't used. See python bug #5882
+ if (is_exception) {
+ out <<
+ indent() << "def __str__(self):" << endl <<
+ indent() << " return repr(self)" << endl <<
+ endl;
+ }
+
// Printing utilities so that on the command line thrift
// structs look pretty like dictionaries
out <<