Add cython API to RequestContext/ConnContext to get cpp object

Summary: Added getter helpers to obtain underlying C++ objects from RequestContext/ConnContext Python Objects.

Reviewed By: yfeldblum, ahilger, prakashgayasen

Differential Revision: D83774208

fbshipit-source-id: a6df671663436b423805064d50ca39ad5c75c5ae

Author: Yale Wang

third-party/thrift/src/thrift/lib/python/server/request_context.pxd

@@ -138,3 +138,7 @@ cdef class WriteHeaders(Headers):
     cdef _fbthrift_create(RequestContext ctx)
 
 cdef object THRIFT_REQUEST_CONTEXT
+
+cdef api Cpp2RequestContext* extract_cpp_request_context(object ctx) except NULL
+
+cdef api Cpp2ConnContext* extract_cpp_connection_context(object ctx) except NULL

third-party/thrift/src/thrift/lib/python/server/request_context.pyx

@@ -234,3 +234,9 @@ cdef inline _get_SocketAddress(const cfollySocketAddress* sadr):
             os.fsdecode(sadr.getPath())
         )
     )
+
+cdef api Cpp2RequestContext* extract_cpp_request_context(object ctx) except NULL:
+    return (<RequestContext?>ctx)._ctx
+
+cdef api Cpp2ConnContext* extract_cpp_connection_context(object ctx) except NULL:
+    return (<ConnectionContext?>ctx)._ctx