feat: support for python (import edm4eic)

CMakeLists.txt

@@ -55,6 +55,7 @@ list(APPEND EDM4EIC_INSTALL_LIBS edm4eic edm4eicDict)
 
 add_subdirectory(utils)
 add_subdirectory(test)
+add_subdirectory(python)
 
 install(TARGETS ${EDM4EIC_INSTALL_LIBS}
   EXPORT ${PROJECT_NAME}Targets

python/CMakeLists.txt

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
+
+install(DIRECTORY edm4eic DESTINATION python
+  REGEX .*\\.in EXCLUDE
+  PATTERN __pycache__ EXCLUDE
+)

python/edm4eic/__init__.py

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: Apache-2.0
+
+"""Python module for the EDM4EIC datamodel and utilities."""
+import sys
+
+from .__version__ import __version__
+import ROOT
+res = ROOT.gSystem.Load('libedm4eicDict.so')
+if res < 0:
+    raise RuntimeError('Failed to load libedm4eicDict.so')
+
+res = ROOT.gSystem.Load('libedm4eicRDF.so')
+if res < 0:
+    raise RuntimeError('Failed to load libedm4eicRDF.so')
+
+res = ROOT.gInterpreter.LoadFile('edm4eic/utils/kinematics.h')
+if res != 0:
+    raise RuntimeError('Failed to load kinematics.h')
+
+res = ROOT.gInterpreter.LoadFile('edm4eic/utils/dataframe.h')
+if res != 0:
+    raise RuntimeError('Failed to load dataframe.h')
+from ROOT import edm4eic
+
+# Make TAB completion work for utils
+setattr(edm4eic, 'utils', edm4eic.utils)
+
+# Make `import edm4eic` work
+sys.modules['edm4eic'] = edm4eic

python/edm4eic/__version__.py.in

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: Apache-2.0
+
+__version__ = "@EDM4EIC_VERSION@"