From fdffbdc7be860b099cd1fb22bf944c958b22b905 Mon Sep 17 00:00:00 2001
From: Paul Sardin <paulsardin123@gmail.com>
Date: Fri, 16 Jan 2026 08:35:34 +0100
Subject: [PATCH 1/2] Add path serialization

---
 src/pyhpp/core/path/vector.cc | 37 ++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/pyhpp/core/path/vector.cc b/src/pyhpp/core/path/vector.cc
index 6388da39..89c83d10 100644
--- a/src/pyhpp/core/path/vector.cc
+++ b/src/pyhpp/core/path/vector.cc
@@ -30,9 +30,12 @@
 #include <boost/python.hpp>
 #include <boost/python/suite/indexing/vector_indexing_suite.hpp>
 #include <hpp/core/path-vector.hh>
+#include <hpp/util/serialization.hh>
 #include <hpp/python/config.hh>
 #include <pyhpp/core/path/fwd.hh>
 #include <pyhpp/util.hh>
+#include <fstream>
+#include <stdexcept>
 
 using namespace boost::python;
 
@@ -41,6 +44,31 @@ namespace core {
 namespace path {
 using namespace hpp::core;
 
+void savePathVector(PathVectorPtr_t pathVector, const std::string& filename) {
+  if (!pathVector) {
+    throw std::invalid_argument("Cannot save null PathVector");
+  }
+  std::ofstream ofs(filename, std::ios::binary);
+  if (!ofs.is_open()) {
+    throw std::runtime_error("Failed to open file for writing: " + filename);
+  }
+  hpp::serialization::binary_oarchive ar(ofs);
+  ar.initialize();
+  ar << hpp::serialization::make_nvp("pathVector", pathVector);
+}
+
+PathVectorPtr_t loadPathVector(const std::string& filename) {
+  std::ifstream ifs(filename, std::ios::binary);
+  if (!ifs.is_open()) {
+    throw std::runtime_error("Failed to open file for reading: " + filename);
+  }
+  hpp::serialization::binary_iarchive ar(ifs);
+  ar.initialize();
+  PathVectorPtr_t pathVector;
+  ar >> hpp::serialization::make_nvp("pathVector", pathVector);
+  return pathVector;
+}
+
 void exposeVector() {
   class_<PathVector, PathVectorPtr_t, bases<Path>, boost::noncopyable>("Vector",
                                                                        no_init)
@@ -52,7 +80,14 @@ void exposeVector() {
       .PYHPP_DEFINE_METHOD(PathVector, rankAtParam)
       .PYHPP_DEFINE_METHOD(PathVector, appendPath)
       .PYHPP_DEFINE_METHOD(PathVector, concatenate)
-      .PYHPP_DEFINE_METHOD(PathVector, flatten);
+      .PYHPP_DEFINE_METHOD(PathVector, flatten)
+
+      // Serialization methods (binary format)
+      .def("save", &savePathVector,
+           "Save PathVector to file (binary format)")
+      .def("load", &loadPathVector,
+           "Load PathVector from file (binary format)")
+      .staticmethod("load");
 
   class_<PathVectors_t>("Vectors").def(
       vector_indexing_suite<PathVectors_t, true>());

From b9be7de89d55a0950228f6e606723de4c3e66402 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 26 Jan 2026 08:46:52 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/pyhpp/core/path/vector.cc | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/pyhpp/core/path/vector.cc b/src/pyhpp/core/path/vector.cc
index 6bc77f07..d64d5ea2 100644
--- a/src/pyhpp/core/path/vector.cc
+++ b/src/pyhpp/core/path/vector.cc
@@ -31,12 +31,10 @@
 #include <boost/python/suite/indexing/vector_indexing_suite.hpp>
 #include <fstream>
 #include <hpp/core/path-vector.hh>
-#include <hpp/util/serialization.hh>
 #include <hpp/python/config.hh>
 #include <hpp/util/serialization.hh>
 #include <pyhpp/core/path/fwd.hh>
 #include <pyhpp/util.hh>
-#include <fstream>
 #include <stdexcept>
 
 using namespace boost::python;
@@ -85,10 +83,8 @@ void exposeVector() {
       .PYHPP_DEFINE_METHOD(PathVector, flatten)
 
       // Serialization methods (binary format)
-      .def("save", &savePathVector,
-           "Save PathVector to file (binary format)")
-      .def("load", &loadPathVector,
-           "Load PathVector from file (binary format)")
+      .def("save", &savePathVector, "Save PathVector to file (binary format)")
+      .def("load", &loadPathVector, "Load PathVector from file (binary format)")
       .staticmethod("load");
 
   class_<PathVectors_t>("Vectors").def(