fixes #2044

- implement virtual environment within feelpp
- use tqdm  for toolbox iterations if available
- show how to load proper preset in dev mode if needed in notebooks

/cc @thomas-saigre @alielarif

.gitignore

@@ -188,3 +188,4 @@ mor/examples/heat3d/heat3dapp.cpp
 **/crbdb
 **/feelppdb
 conftest.o
+python/notebooks/feelpp-python/

CMakePresets.json

@@ -106,17 +106,6 @@
                 "FEELPP_ENABLE_RESEARCH": "ON"
             }
         },
-        {
-            "name": "python",
-            "inherits": "default",
-            "displayName": "feelpp-python",
-            "description": "Build only the Feel++ python Component",
-            "binaryDir": "${sourceDir}/build/python",
-            "cacheVariables": {
-                "FEELPP_COMPONENT": "python",
-                "CMAKE_INSTALL_PREFIX": "${sourceDir}/build/python/install/"
-            }
-        },
         {
             "name": "feelpp-python",
             "inherits": "default",
@@ -238,20 +227,7 @@
         {
             "name": "feelpp-python",
             "inherits": "default",
-            "configurePreset": "feelpp-python",
-            "targets": [
-                "all",
-                "install"
-            ]
-        },
-        {
-            "name": "python",
-            "inherits": "default",
-            "configurePreset": "python",
-            "targets": [
-                "all",
-                "install"
-            ]
+            "configurePreset": "feelpp-python"
         },
         {
             "name": "feelpp-python-dbg",
@@ -313,11 +289,6 @@
             "configurePreset": "mor",
             "inherits": "feelpp"
         },
-        {
-            "name": "python",
-            "configurePreset": "python",
-            "inherits": "feelpp"
-        },
         {
             "name": "feelpp-python",
             "configurePreset": "feelpp-python",

python/CMakeLists.txt

@@ -112,9 +112,25 @@ macro(feelpp_add_pymodule)
   endif()
 endmacro(feelpp_add_pymodule)
 
+set(REQUIREMENTS ${CMAKE_CURRENT_SOURCE_DIR}/requirements.txt)
+set(VENV ${CMAKE_CURRENT_BINARY_DIR}/venv)
+set(BIN_DIR ${VENV}/bin)
+set(PYTHON ${BIN_DIR}/python)
+
+add_custom_command(
+  OUTPUT ${PYTHON}
+  DEPENDS venv requirements.txt
+  COMMAND ${Python3_EXECUTABLE} -m venv ${VENV}
+  COMMAND ${BIN_DIR}/pip install -r ${CMAKE_CURRENT_SOURCE_DIR}/requirements.txt 
+  DEPENDS ${REQUIREMENTS}
+)
+add_custom_target(venv DEPENDS ${PYTHON})
+#add_dependencies(test venv)
+
 #include(feelpp.module.pyfeelpp)
 if ( FEELPP_FOUND )
 add_subdirectory(pyfeelpp)
+add_subdirectory(notebooks)
 endif()
 
 # TOOLBOXES needs to be defined for pyfeelpp-toolboxes 

python/notebooks/CMakeLists.txt

@@ -0,0 +1,18 @@
+# ##  CMakeLists.txt; coding: utf-8 ---
+
+#set(PYFILES conftest.py)
+#install(FILES ${PYFILES} DESTINATION ${FEELPP_PYTHON_MODULE_PATH}/feelpp)
+
+add_custom_target(notebooks)
+add_dependencies(notebooks venv)
+add_test(NAME notebook-feelpp1
+    COMMAND #${CMAKE_COMMAND} -E env        LD_LIBRARY_PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}:$ENV{LD_LIBRARY_PATH}        PYTHONPATH=${CMAKE_INSTALL_PREFIX}/${FEELPP_PYTHON_MODULE_PATH}
+    ${PYTHON} -m pytest -s --nbmake ${CMAKE_CURRENT_SOURCE_DIR}/feelpp1.ipynb
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+add_test(NAME notebook-feelpp2
+    COMMAND # ${CMAKE_COMMAND} -E env        LD_LIBRARY_PATH=${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}:$ENV{LD_LIBRARY_PATH}        PYTHONPATH=${CMAKE_INSTALL_PREFIX}/${FEELPP_PYTHON_MODULE_PATH}
+    ${PYTHON} -m pytest -s --nbmake ${CMAKE_CURRENT_SOURCE_DIR}/feelpp2.ipynb
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+