Merge pull request #140 from Taka-Kazu/use-cmake-install-prefix-to-sp…

…ecify-where-to-install-python-interface

Use CMAKE_INSTALL_PREFIX to specify where to install the python interface

.github/workflows/build.yml

@@ -130,7 +130,7 @@ jobs:
 
       - name: Test Python
         working-directory: ${{github.workspace}}
-        run: pytest-3 tests/python/
+        run: PYTHONPATH=${PYTHONPATH}:instdir/lib/python$(python3 -c 'import sys; print("%i.%i" % (sys.version_info.major, sys.version_info.minor))')/site-packages pytest-3 tests/python/
 
 
 

swig/python/CMakeLists.txt

@@ -101,9 +101,9 @@ file(
 if(Python_VERSION VERSION_GREATER_EQUAL 3)
   add_custom_target(install-python
     DEPENDS _fields2cover_python
-    COMMAND python3 ${SETUP_PY_OUT} install
+    COMMAND python3 ${SETUP_PY_OUT} install --prefix=${CMAKE_INSTALL_PREFIX}
   )
-  install(CODE "execute_process(COMMAND python3 ${SETUP_PY_OUT} install)")
+  install(CODE "execute_process(COMMAND python3 ${SETUP_PY_OUT} install --prefix=${CMAKE_INSTALL_PREFIX})")
 elseif(Python_VERSION VERSION_GREATER_EQUAL 2)
   add_custom_target(
     install-python

swig/python/setup.py.in

@@ -20,7 +20,9 @@ class CompiledLibInstall(setuptools.command.install.install):
         filenames = '${PYTHON_INSTALL_FILES}'.split(';')
 
         # Directory to install to
-        install_dir = get_python_lib()
+        install_dir = get_python_lib(prefix=self.prefix)
+        if not os.path.isdir(install_dir):
+            os.makedirs(install_dir)
 
         # Install files
         [shutil.copy(filename, install_dir) for filename in filenames]