Github user econner commented on a diff in the pull request:
https://github.com/apache/thrift/pull/1293#discussion_r125776706
--- Diff: compiler/cpp/src/thrift/generate/t_py_generator.cc ---
@@ -610,11 +623,22 @@ string t_py_generator::render_const_value(t_type*
type, t_const_value* value) {
return out.str();
}
+/**
+ * Generates the "forward declarations" for python structs.
+ * These are actually full class definitions so that calls to
generate_struct
+ * can add the thrift_spec field. This is needed so that all thrift_spec
+ * definitions are grouped at the end of the file to enable co-recursive
structs.
+ */
+void t_py_generator::generate_forward_declaration(t_struct* tstruct) {
--- End diff --
This is an interface method that's called by the thrift compiler. One
attribute of this change is to move most of the code that generates python code
into ``generate_forward_declaration`` and then output the ``thrift_spec`` via
the ``generate_struct`` method.
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