Allow py:phlex to work without install header (use source instead) (#28)

Author: pcanal

test/python/CMakeLists.txt

@@ -77,6 +77,11 @@ endif()
 set(TEST_PYTHONPATH ${TEST_PYTHONPATH}:$ENV{PYTHONPATH})
 
 
+set_property(TEST py:phlex
+  PROPERTY ENVIRONMENT
+     "PHLEX_INSTALL=${PYTHON_TEST_PHLEX_INSTALL}"
+)
+
 set_property(TEST py:add
   PROPERTY ENVIRONMENT
      "SPDLOG_LEVEL=debug;PHLEX_PLUGIN_PATH=${CMAKE_CURRENT_BINARY_DIR};PYTHONPATH=${TEST_PYTHONPATH};PHLEX_INSTALL=${PYTHON_TEST_PHLEX_INSTALL}"

test/python/pyphlex.py

@@ -14,7 +14,10 @@
 PHLEX_INSTALL = os.environ["PHLEX_INSTALL"]
 
 # load phlex headers
-cppyy.add_include_path(os.path.join(PHLEX_INSTALL, "include"))
+includedir = os.path.join(PHLEX_INSTALL, "include")
+if not os.path.exists(includedir):
+  includedir = PHLEX_INSTALL
+cppyy.add_include_path(includedir)
 cppyy.include("phlex/core/framework_graph.hpp")
 cppyy.include("phlex/configuration.hpp")