[20965] Fix Python Installation version in Github CI. Address failing system tests environment issues. (backport #4759)

.github/workflows/reusable-ubuntu-ci.yml

@@ -56,6 +56,11 @@ jobs:
           path: src/fastrtps
           ref: ${{ inputs.fastdds-branch }}
 
+      - name: Install Fix Python version
+        uses: eProsima/eProsima-CI/external/setup-python@v0
+        with:
+          python-version: '3.11'
+
       - name: Get minimum supported version of CMake
         uses: eProsima/eProsima-CI/external/get-cmake@v0
         with:
@@ -114,12 +119,15 @@ jobs:
           ref: ${{ steps.get_shapes_demo_branch.outputs.deduced_branch }}
 
       # Required for Shapes Demo
+      # Do not setup python as it will internally modify the pythonLocation env variable
+      # and we want to use a fix version
       - name: Install Qt
         uses: jurplel/install-qt-action@v2.13.0
         with:
           version: '5.15.2'
           dir: '${{ github.workspace }}/qt_installation/'
           modules: 'qtcharts'
+          setup-python: 'false'
 
       - name: Colcon build
         continue-on-error: false

.github/workflows/reusable-windows-ci.yml

@@ -56,6 +56,11 @@ jobs:
           submodules: true
           ref: ${{ inputs.fastdds_branch }}
 
+      - name: Install Fix Python version
+        uses: eProsima/eProsima-CI/external/setup-python@v0
+        with:
+          python-version: '3.11'
+
       - name: Get minimum supported version of CMake
         uses: eProsima/eProsima-CI/external/get-cmake@v0
         with:

cmake/common/test_wrapper.cmake.in

@@ -1,8 +1,8 @@
-find_package(PythonInterp 3)
+find_package(Python3 COMPONENTS Interpreter)
 
 # Clean first so the exit code comes from the second process
-message(STATUS "test_wrapper - Running command: ${PYTHON_EXECUTABLE} @PROJECT_BINARY_DIR@/tools/fastdds/fastdds.py shm clean")
-execute_process(COMMAND ${PYTHON_EXECUTABLE} @PROJECT_BINARY_DIR@/tools/fastdds/fastdds.py shm clean)
+message(STATUS "test_wrapper - Running command: ${Python3_EXECUTABLE} @PROJECT_BINARY_DIR@/tools/fastdds/fastdds.py shm clean")
+execute_process(COMMAND ${Python3_EXECUTABLE} @PROJECT_BINARY_DIR@/tools/fastdds/fastdds.py shm clean)
 
 message(STATUS "test_wrapper - Running command: ${ACTUAL_TEST} ${ACTUAL_ARGS}")
 execute_process(COMMAND ${ACTUAL_TEST} ${ACTUAL_ARGS})

test/CTestCustom.cmake.in

@@ -1,3 +1,3 @@
-find_package(PythonInterp 3)
+find_package(Python3 COMPONENTS Interpreter REQUIRED)
 
-execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../tools/fastdds/fastdds.py shm clean)
+execute_process(COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../tools/fastdds/fastdds.py shm clean)

test/communication/CMakeLists.txt

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-find_package(PythonInterp 3)
+find_package(Python3 COMPONENTS Interpreter)
 
 ###############################################################################
 # Binaries
@@ -202,9 +202,9 @@ if(SECURITY)
         ${CMAKE_CURRENT_BINARY_DIR}/permissions_helloworld_securehelloworld.smime COPYONLY)
 endif()
 
-if(PYTHONINTERP_FOUND)
+if(Python3_Interpreter_FOUND)
     add_test(NAME SimpleCommunicationBestEffort
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleCommunicationBestEffort PROPERTY LABELS "NoMemoryCheck")
@@ -222,7 +222,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SimpleCommunicationReliable
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleCommunicationReliable PROPERTY LABELS "NoMemoryCheck")
@@ -240,7 +240,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SimpleCommunicationReliableBestEffort
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleCommunicationReliableBestEffort PROPERTY LABELS "NoMemoryCheck")
@@ -258,7 +258,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SimpleMixCommunicationBestEffort
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_mix_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_mix_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleMixCommunicationBestEffort PROPERTY LABELS "NoMemoryCheck")
@@ -276,7 +276,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SimpleMixCommunicationReliable
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_mix_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_mix_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleMixCommunicationReliable PROPERTY LABELS "NoMemoryCheck")
@@ -295,7 +295,7 @@ if(PYTHONINTERP_FOUND)
 
     if(SECURITY)
         add_test(NAME SimpleCommunicationSecureBestEffort
-            COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+            COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
         # Set test with label NoMemoryCheck
         set_property(TEST SimpleCommunicationSecureBestEffort PROPERTY LABELS "NoMemoryCheck")
@@ -317,7 +317,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SimpleCommunicationSecureMsgCryptoBestEffort
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_msg_crypto_besteffort_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -334,7 +334,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SimpleCommunicationSecureMsgSubmsgCryptoBestEffort
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_msg_submsg_crypto_besteffort_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -351,7 +351,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SimpleCommunicationSecureSubmsgCryptoBestEffort
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_submsg_crypto_besteffort_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -368,7 +368,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SecureDiscoverServerSimplePubSubSecureMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_msg_crypto_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -388,7 +388,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SecureDiscoverServerSimplePubSubSecureNoDiscoveryNoRTPSProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_discovery_no_rtps_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -408,7 +408,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SecureDiscoverServerSimplePubSubSecureNoDiscoveryProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_discovery_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -428,7 +428,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME SecureDiscoverServerSimplePubSubSecureNoRTPSProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_rtps_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -448,7 +448,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME TwoSecureDiscoverServersSimplePubSubSecureMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_msg_crypto_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -467,7 +467,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME TwoSecureDiscoverServersSimplePubSubSecureNoDiscoveryNoRTPSProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_discovery_no_rtps_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -486,7 +486,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME TwoSecureDiscoverServersSimplePubSubSecureNoDiscoveryProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_discovery_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -505,7 +505,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME TwoSecureDiscoverServersSimplePubSubSecureNoRTPSProtectionMsgCrypto
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_secure_ds_pubsub_secure_crypto_communication.py
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub secure_ds_simple_secure_no_rtps_protection_pub_profile.xml
             --sub $<TARGET_FILE:SimpleCommunicationSubscriber>
@@ -524,7 +524,7 @@ if(PYTHONINTERP_FOUND)
         endif()
 
         add_test(NAME AllowUnauthenticatedSimplePubSecureNoRTPSProtectionSubNonSecure
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/multiple_subs_secure_crypto_communication.py
             --n-subs 1
             --pub $<TARGET_FILE:SimpleCommunicationPublisher>
             --xml-pub simple_secure_allow_unauthenticated_pub_profile.xml
@@ -544,7 +544,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME LivelinessAssertion
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/liveliness_assertion.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/liveliness_assertion.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST LivelinessAssertion PROPERTY LABELS "NoMemoryCheck")
@@ -559,7 +559,7 @@ if(PYTHONINTERP_FOUND)
             "PATH=$<TARGET_FILE_DIR:${PROJECT_NAME}>\\;$<TARGET_FILE_DIR:fastcdr>\\;${WIN_PATH}")
     endif()
     add_test(NAME AutomaticLivelinessAssertion
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/automatic_liveliness_assertion.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/automatic_liveliness_assertion.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST AutomaticLivelinessAssertion PROPERTY LABELS "NoMemoryCheck")
@@ -575,7 +575,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME TwoPublishersCommunicationBestEffort
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/two_publishers_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/two_publishers_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST TwoPublishersCommunicationBestEffort PROPERTY LABELS "NoMemoryCheck")
@@ -593,7 +593,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME TwoPublishersCommunicationReliable
-        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/two_publishers_communication.py)
+        COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/two_publishers_communication.py)
 
     # Set test with label NoMemoryCheck
     set_property(TEST TwoPublishersCommunicationReliable PROPERTY LABELS "NoMemoryCheck")
@@ -611,7 +611,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SimpleCommunicationBestEffortFixed
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/simple_communication.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SimpleCommunicationBestEffortFixed PROPERTY LABELS "NoMemoryCheck")
@@ -633,7 +633,7 @@ if(PYTHONINTERP_FOUND)
     endif()
 
     add_test(NAME SHMCommunicationSubscriberDiesWhileProcessingMessage
-        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${PYTHON_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/shm_communication_subscriber_dies_while_processing_message.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
+        COMMAND ${CMAKE_COMMAND} -DACTUAL_TEST=${Python3_EXECUTABLE} -DACTUAL_ARGS=${CMAKE_CURRENT_BINARY_DIR}/shm_communication_subscriber_dies_while_processing_message.py -P ${CMAKE_CURRENT_BINARY_DIR}/test_wrapper.cmake)
 
     # Set test with label NoMemoryCheck
     set_property(TEST SHMCommunicationSubscriberDiesWhileProcessingMessage PROPERTY LABELS "NoMemoryCheck")

test/dds/communication/CMakeLists.txt

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-find_package(PythonInterp 3)
+find_package(Python3 COMPONENTS Interpreter)
 
 add_definitions(
     -DBOOST_ASIO_STANDALONE
@@ -165,10 +165,10 @@ endif()
 ###############################################################################
 # Tests specification
 ###############################################################################
-if(PYTHONINTERP_FOUND)
+if(Python3_Interpreter_FOUND)
     # Dynamic types test
     add_test(NAME DDSSimpleCommunicationTypeDiscovery
-        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/simple_communication_dynamic.py)
+        COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/simple_communication_dynamic.py)
 
     # Set test with label NoMemoryCheck
     set_property(TEST DDSSimpleCommunicationTypeDiscovery PROPERTY LABELS "NoMemoryCheck")
@@ -190,7 +190,7 @@ if(PYTHONINTERP_FOUND)
         set(TEST_NAME DDSCommunication_${TEST_DEFINITION})
         add_test(
             NAME ${TEST_NAME}
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/${TEST_BUILDER}
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/${TEST_BUILDER}
             ${TEST_DEFINITION}.json
             )
 

test/dds/discovery/CMakeLists.txt

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 if(NOT ((MSVC OR MSVC_IDE) AND EPROSIMA_INSTALLER) AND fastcdr_FOUND)
-    find_package(PythonInterp 3)
+    find_package(Python3 COMPONENTS Interpreter)
 
     ###########################################################################
     # Binaries
@@ -46,9 +46,9 @@ if(NOT ((MSVC OR MSVC_IDE) AND EPROSIMA_INSTALLER) AND fastcdr_FOUND)
         math(EXPR W_UNICAST_PORT_RANDOM_NUMBER "${W_UNICAST_PORT_RANDOM_NUMBER} + 1024")
     endif()
 
-    if(PYTHONINTERP_FOUND AND NOT APPLE AND NOT WIN32)
+    if(Python3_Interpreter_FOUND AND NOT APPLE AND NOT WIN32)
         add_test(NAME AddDiscoveryServerToListFromEnvironmentFile
-            COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/client_server_dynamic_discovery.py)
+            COMMAND ${Python3_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/client_server_dynamic_discovery.py)
 
         set_property(TEST AddDiscoveryServerToListFromEnvironmentFile PROPERTY ENVIRONMENT
             "CLIENT_SERVER_DYNAMIC_DISCOVERY_BIN=$<TARGET_FILE:DDSParticipantDiscovery>")