From 1658ac329a02d8ef5e3ea503068a63b04a265518 Mon Sep 17 00:00:00 2001
From: keitaroyam <keitaroyam@users.noreply.github.com>
Date: Fri, 24 May 2024 17:21:34 +0900
Subject: [PATCH] python: SeqId made hashable

---
 python/meta.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/python/meta.cpp b/python/meta.cpp
index 3e325827..6113f479 100644
--- a/python/meta.cpp
+++ b/python/meta.cpp
@@ -50,7 +50,10 @@ void add_meta(py::module& m) {
                 throw std::runtime_error("invalid tuple size");
             return SeqId(t[0].cast<int>(), t[1].cast<char>());
         }
-    ));
+    ))
+    .def("__hash__", [](const SeqId& self) {
+        return py::hash(py::make_tuple(self.num, self.icode));
+    });
 
   py::class_<ResidueId>(m, "ResidueId")
     .def(py::init<>())