feat(python): add InputAligner on humble base

CHANGELOG.rst

@@ -2,6 +2,92 @@
 Changelog for package message_filters
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+4.3.16 (2026-04-09)
+-------------------
+* DeltaFilter(C++): Add DeltaFilter class. (backport `#273 <https://github.com/ros2/message_filters/issues/273>`_) (`#276 <https://github.com/ros2/message_filters/issues/276>`_)
+* Contributors: mergify[bot]
+
+4.3.15 (2026-03-24)
+-------------------
+* Tutorials minor fixers: Replace the TODOs with the actual links to other tutorials as required. Rename Approximate-Tyme tutorial to Approximate-Time (`#266 <https://github.com/ros2/message_filters/issues/266>`_)
+* Tutorials: Add LatestTime synchronization policy tutorial (`#266 <https://github.com/ros2/message_filters/issues/266>`_)
+* Tutorials: Approximate-Synchronizer: Label CMake code blocks with the right language markings
+* Tutorials: Add C++ tutorial for Approximate Epsilon Time Sync policy
+* DeltaFilter(Python): Add DeltaFilter for Python. Add tests. Add docstring to filters and comparison handlers (`#252 <https://github.com/ros2/message_filters/issues/252>`_) (`#260 <https://github.com/ros2/message_filters/issues/260>`_)
+  Co-authored-by: Pavel Esipov <[email protected]>
+* Contributors: EsipovPA, mergify[bot]
+
+4.3.14 (2026-02-18)
+-------------------
+* `#253 <https://github.com/ros2/message_filters/issues/253>`_ message_filters.chain.python: Remove dataclass. Make FilterInfo a regular class with regular __init_\_ (`#254 <https://github.com/ros2/message_filters/issues/254>`_)
+* Contributors: Pavel Esipov
+
+4.3.13 (2026-02-04)
+-------------------
+* Add kwargs passing from Subscriber to node.create_subscription (`#247 <https://github.com/ros2/message_filters/issues/247>`_) (`#250 <https://github.com/ros2/message_filters/issues/250>`_)
+* Contributors: mergify[bot]
+
+4.3.12 (2026-01-15)
+-------------------
+* `#200 <https://github.com/ros2/message_filters/issues/200>`_ fix inconsistensy between cpp and python exact time synchronizer impl (backport `#238 <https://github.com/ros2/message_filters/issues/238>`_) (`#245 <https://github.com/ros2/message_filters/issues/245>`_)
+* `#130 <https://github.com/ros2/message_filters/issues/130>`_ add simple filter tutorial for cpp (backport `#239 <https://github.com/ros2/message_filters/issues/239>`_) (`#242 <https://github.com/ros2/message_filters/issues/242>`_)
+* Add simple filter tutorials (backport `#226 <https://github.com/ros2/message_filters/issues/226>`_) (`#230 <https://github.com/ros2/message_filters/issues/230>`_)
+* Add chain tutorial python (`#219 <https://github.com/ros2/message_filters/issues/219>`_) (`#225 <https://github.com/ros2/message_filters/issues/225>`_)
+* Contributors: mergify[bot]
+
+4.3.11 (2025-10-15)
+-------------------
+* Add Python implementation for a Chain filter (backport `#213 <https://github.com/ros2/message_filters/issues/213>`_) (`#216 <https://github.com/ros2/message_filters/issues/216>`_)
+* Update repository URL in package.xml (`#217 <https://github.com/ros2/message_filters/issues/217>`_) (`#218 <https://github.com/ros2/message_filters/issues/218>`_)
+* Contributors: mergify[bot]
+
+4.3.10 (2025-10-03)
+-------------------
+* Some fixes to documentation (backport `#208 <https://github.com/ros2/message_filters/issues/208>`_) (`#212 <https://github.com/ros2/message_filters/issues/212>`_)
+* Create a Chain class tutorial for C++ (`#203 <https://github.com/ros2/message_filters/issues/203>`_) (`#207 <https://github.com/ros2/message_filters/issues/207>`_)
+* Contributors: mergify[bot]
+
+4.3.9 (2025-09-17)
+------------------
+* Add 'Cache (C++)' tutorial (`#196 <https://github.com/ros2/message_filters/issues/196>`_) (`#199 <https://github.com/ros2/message_filters/issues/199>`_)
+* Contributors: mergify[bot]
+
+4.3.8 (2025-07-16)
+------------------
+* Fix cache tutorial: added tab extension (backport `#190 <https://github.com/ros2/message_filters/issues/190>`_) (`#193 <https://github.com/ros2/message_filters/issues/193>`_)
+* Add tutorial for Cache filter for Python (`#185 <https://github.com/ros2/message_filters/issues/185>`_) (`#189 <https://github.com/ros2/message_filters/issues/189>`_)
+* Contributors: mergify[bot]
+
+4.3.7 (2025-04-08)
+------------------
+* Future port hpp files (`#170 <https://github.com/ros2/message_filters/issues/170>`_) (`#172 <https://github.com/ros2/message_filters/issues/172>`_)
+* Contributors: mergify[bot]
+
+4.3.6 (2025-03-25)
+------------------
+* Move from Wiki and Updated Python docs (backport `#150 <https://github.com/ros2/message_filters/issues/150>`_) (`#152 <https://github.com/ros2/message_filters/issues/152>`_)
+* Contributors: mergify[bot]
+
+4.3.5 (2024-07-31)
+------------------
+* [LatestTimeSync] Fix crash when Synchronizer is started before the messges are available. (`#136 <https://github.com/ros2/message_filters/issues/136>`_)
+* Contributors: Dr. Denis
+
+4.3.4 (2024-05-15)
+------------------
+* Fix cache.h std::placeholder namespace (`#87 <https://github.com/ros2/message_filters/issues/87>`_) (`#121 <https://github.com/ros2/message_filters/issues/121>`_)
+* Contributors: mergify[bot]
+
+4.3.3 (2023-04-25)
+------------------
+* Add latest time zero-order-hold sync policy (`#73 <https://github.com/ros2/message_filters/issues/73>`_) (`#89 <https://github.com/ros2/message_filters/issues/89>`_)
+* Contributors: mergify[bot]
+
+4.3.2 (2022-06-20)
+------------------
+* Adding fix to subscribe() call with raw node pointer and subscriber options (`#76 <https://github.com/ros2/message_filters/issues/76>`_) (`#77 <https://github.com/ros2/message_filters/issues/77>`_)
+* Contributors: Steve Macenski
+
 4.3.1 (2022-03-25)
 ------------------
 * Use RCL_ROS_TIME for message_traits::TimeStamp  (`#72 <https://github.com/ros2/message_filters/issues/72>`_)

CMakeLists.txt

@@ -109,6 +109,11 @@ if(BUILD_TESTING)
     target_link_libraries(${PROJECT_NAME}-test_approximate_time_policy ${PROJECT_NAME})
   endif()
 
+  ament_add_gtest(${PROJECT_NAME}-test_latest_time_policy test/test_latest_time_policy.cpp)
+  if(TARGET ${PROJECT_NAME}-test_latest_time_policy)
+    target_link_libraries(${PROJECT_NAME}-test_latest_time_policy ${PROJECT_NAME})
+  endif()
+
   ament_add_gtest(${PROJECT_NAME}-test_fuzz test/test_fuzz.cpp SKIP_TEST)
   if(TARGET ${PROJECT_NAME}-test_fuzz)
     target_link_libraries(${PROJECT_NAME}-test_fuzz ${PROJECT_NAME})
@@ -131,14 +136,23 @@ if(BUILD_TESTING)
     endif()
   endif()
 
+  ament_add_gtest(${PROJECT_NAME}-test_message_filters_delta_filter test/test_message_filters_delta_filter.cpp)
+  if(TARGET ${PROJECT_NAME}-test_message_filters_delta_filter)
+    target_link_libraries(${PROJECT_NAME}-test_message_filters_delta_filter ${PROJECT_NAME})
+  endif()
+
   # python tests with python interfaces of message filters
   find_package(ament_cmake_pytest REQUIRED)
-  ament_add_pytest_test(directed.py "test/directed.py"
+  ament_add_pytest_test(test_time_synchronizer.py "test/test_time_synchronizer.py"
     PYTHON_EXECUTABLE "${_PYTHON_EXECUTABLE}")
   ament_add_pytest_test(test_approxsync.py "test/test_approxsync.py"
     PYTHON_EXECUTABLE "${_PYTHON_EXECUTABLE}")
   ament_add_pytest_test(test_message_filters_cache.py "test/test_message_filters_cache.py"
     PYTHON_EXECUTABLE "${_PYTHON_EXECUTABLE}")
+  ament_add_pytest_test(test_message_filters_chain.py "test/test_message_filters_chain.py"
+    PYTHON_EXECUTABLE "${_PYTHON_EXECUTABLE}")
+  ament_add_pytest_test(test_input_aligner.py "test/test_input_aligner.py"
+    PYTHON_EXECUTABLE "${_PYTHON_EXECUTABLE}")
 endif()
 
 ament_package()