Refactor pip requirements list into cmake script and add auto-install commands...

Refactor pip requirements list into cmake script and add auto-install commands in Windows NSIS installer.

misc/nsis/faust.nsi

@@ -131,9 +131,9 @@ Section "" ; no component so name not needed
   ; CreateShortCut pyfaust @PROJECT_BINARY_DIR@\wrapper\python\pyfaust ; tested and it can't be like a linux symlink
   SetOutPath $2
   File @PROJECT_BINARY_DIR@\wrapper\python\*pyd
-  File @PROJECT_BINARY_DIR@\wrapper\python\*pxd
+  ;File @PROJECT_BINARY_DIR@\wrapper\python\*pxd
 
-  ;add data path in __init__.py (both into site-packages and $INSTDIR)
+  ; add data path in __init__.py (both into site-packages and $INSTDIR)
   FileOpen $1 "$INSTDIR\pyfaust\__init__.py" a
   ; go at the end of file (but with append mode is that necessary ?)
   FileSeek $1 0 END
@@ -147,6 +147,10 @@ Section "" ; no component so name not needed
   FileWrite $1 "$\r$\n_NSI_INSTALL_PATH='$INSTDIR'"
   FileClose $1
 
+  Exec "python -m pip install $\"@PYFAUST_PYTHON_REQUIREMENTS@$\""
+  IfErrors 0 +2
+  MessageBox MB_OK "Error: failed partly or totally to install the pyfaust python packages through pip, please install them manually to get a workable pyfaust, list of packages: @PYFAUST_PYTHON_REQUIREMENTS@." IDOK data_dl
+
   ; =================================================
 
   data_dl:

wrapper/python/CMakeLists.txt

@@ -9,6 +9,11 @@ set(PY_EXT_SOURCES "['${FAUST_PYTHON_BIN_DIR}/_FaustCorePy.pyx']")
 
 set(FAUST_PYTHON_LIBS "'faust'")
 
+set(PYFAUST_PYTHON_REQUIREMENTS "pygsp scipy numpy>=1.20 matplotlib>=2.0.0 pathlib") #ENOTE: order matters in setup.py, the last package is installed first
+
+string(REGEX REPLACE " " "', '" PYFAUST_PYTHON_REQUIREMENTS_AS_PYLIST ${PYFAUST_PYTHON_REQUIREMENTS})
+set(PYFAUST_PYTHON_REQUIREMENTS_AS_PYLIST "'${PYFAUST_PYTHON_REQUIREMENTS_AS_PYLIST}'")
+
 if(${USE_MATIO_STATIC_LIBS})
 	if(NOT WIN32)
 		set(PYTHON_EXT_EXTRA_OBJECTS "[ '${MATIO_STATIC_LIB_PATH}', '${HDF5_STATIC_LIB_PATH}', '${Z_STATIC_LIB_PATH}']") # the order matters for compilation

wrapper/python/setup.py.in

@@ -50,8 +50,7 @@ setup(
     classifiers = [ 'License :: OSI Approved :: BSD License',
                    'Programming Language :: Python :: 3',
                   '@GPU_CUDA_VERSION_PYPI_CLASSIFIER@'],
-    install_requires = [ 'pygsp', 'scipy', 'numpy>=1.20', 'matplotlib>=2.0.0',
-                        'pathlib'], #ENOTE: order matters (last pkg installed first)
+    install_requires = [@PYFAUST_PYTHON_REQUIREMENTS_AS_PYLIST@],
     license = "3-clause BSD 2.0",
     package_data = {
         'pyfaust': [ 'data/*.mat', 'license*.txt', '@GPU_MOD_LIB_PATH@']