From c9ace096be6741f1ccdc1cbac3a7eaefff18b045 Mon Sep 17 00:00:00 2001
From: grufoony <gregorio_2000@hotmail.it>
Date: Wed, 4 Feb 2026 13:46:18 +0100
Subject: [PATCH 1/2] Better Dynamics constructor

---
 src/dsf/base/Dynamics.hpp | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/dsf/base/Dynamics.hpp b/src/dsf/base/Dynamics.hpp
index d1782939..b2e98f5a 100644
--- a/src/dsf/base/Dynamics.hpp
+++ b/src/dsf/base/Dynamics.hpp
@@ -43,8 +43,9 @@ namespace dsf {
   class Dynamics {
   private:
     network_t m_graph;
-    std::string m_name;
-    std::time_t m_timeInit, m_timeStep;
+    std::string m_name = "unnamed simulation";
+    std::time_t m_timeInit = 0;
+    std::time_t m_timeStep = 0;
 
   protected:
     tbb::task_arena m_taskArena;
@@ -120,14 +121,10 @@ namespace dsf {
 
   template <typename network_t>
   Dynamics<network_t>::Dynamics(network_t& graph, std::optional<unsigned int> seed)
-      : m_graph{std::move(graph)},
-        m_name{"unnamed simulation"},
-        m_timeInit{0},
-        m_timeStep{0},
-        m_generator{std::random_device{}()} {
+      : m_graph{std::move(graph)}, m_generator{std::random_device{}()} {
     if (seed.has_value()) {
       m_generator.seed(*seed);
     }
     m_taskArena.initialize();
   }
-};  // namespace dsf
+};  // namespace dsf
\ No newline at end of file

From 10dfeaa5dd4b88b3f74a10b030065e71751f52cc Mon Sep 17 00:00:00 2001
From: grufoony <gregorio_2000@hotmail.it>
Date: Wed, 4 Feb 2026 14:27:34 +0100
Subject: [PATCH 2/2] Add `log_to_file` function

---
 src/dsf/__init__.py  | 10 +++++++++-
 src/dsf/bindings.cpp |  6 ++++++
 src/dsf/dsf.hpp      | 15 +++++++++++++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/dsf/__init__.py b/src/dsf/__init__.py
index b3b8743e..2de57dc6 100644
--- a/src/dsf/__init__.py
+++ b/src/dsf/__init__.py
@@ -1,7 +1,15 @@
 import sys
 import os
 
-from dsf_cpp import __version__, LogLevel, get_log_level, set_log_level, mobility, mdt
+from dsf_cpp import (
+    __version__,
+    LogLevel,
+    get_log_level,
+    set_log_level,
+    log_to_file,
+    mobility,
+    mdt,
+)
 
 from .python.cartography import (
     get_cartography,
diff --git a/src/dsf/bindings.cpp b/src/dsf/bindings.cpp
index b2e6d786..4a5778e9 100644
--- a/src/dsf/bindings.cpp
+++ b/src/dsf/bindings.cpp
@@ -13,6 +13,12 @@ PYBIND11_MODULE(dsf_cpp, m) {
   m.doc() = "Python bindings for the DSF library";
   m.attr("__version__") = dsf::version();
 
+  // Bind the dsf::log_to_file function
+  m.def("log_to_file",
+        &dsf::log_to_file,
+        pybind11::arg("path"),
+        "Set up logging to a specified file");
+
   // Create mobility submodule
   auto mobility = m.def_submodule("mobility",
                                   "Bindings for mobility-related classes and functions, "
diff --git a/src/dsf/dsf.hpp b/src/dsf/dsf.hpp
index 6fbd08da..61a30e40 100644
--- a/src/dsf/dsf.hpp
+++ b/src/dsf/dsf.hpp
@@ -4,6 +4,9 @@
 #include <cstdint>
 #include <format>
 
+#include <spdlog/spdlog.h>
+#include <spdlog/sinks/basic_file_sink.h>
+
 static constexpr uint8_t DSF_VERSION_MAJOR = 4;
 static constexpr uint8_t DSF_VERSION_MINOR = 7;
 static constexpr uint8_t DSF_VERSION_PATCH = 8;
@@ -15,6 +18,18 @@ namespace dsf {
   /// @brief Returns the version of the DSF library
   /// @return The version of the DSF library
   auto const& version() { return DSF_VERSION; };
+
+  /// @brief Set up logging to a specified file
+  /// @param path The path to the log file
+  void log_to_file(std::string const& path) {
+    try {
+      spdlog::info("Logging to file: {}", path);
+      auto file_logger = spdlog::basic_logger_mt("dsf_file_logger", path);
+      spdlog::set_default_logger(file_logger);
+    } catch (const spdlog::spdlog_ex& ex) {
+      spdlog::error("Log initialization failed: {}", ex.what());
+    }
+  };
 }  // namespace dsf
 
 #include "base/AdjacencyMatrix.hpp"