Merge Christoph Holtermann's 'python-app-utils' into maint.

bindings/python/CMakeLists.txt

@@ -1,7 +1,7 @@
 add_subdirectory(example_scripts)
 add_subdirectory(tests)
 
-set(PYEXEC_FILES  __init__.py function_class.py gnucash_business.py gnucash_core.py)
+set(PYEXEC_FILES  __init__.py function_class.py gnucash_business.py gnucash_core.py app_utils.py)
 
 set(SWIG_FILES ${CMAKE_CURRENT_SOURCE_DIR}/gnucash_core.i ${CMAKE_CURRENT_SOURCE_DIR}/time64.i)
 set(GNUCASH_CORE_C_INCLUDES

bindings/python/app_utils.py

@@ -0,0 +1,16 @@
+# app_utils.py -- High level python wrapper for app-utils
+#
+# @author Christoph Holtermann <mail@c-holtermann.net>
+## @file
+#  @brief High level python wrapper for app-utils
+#  @ingroup python_bindings 
+
+from gnucash import _sw_app_utils
+
+def gnc_get_current_session():
+    from gnucash import Session
+    return Session(instance=_sw_app_utils.gnc_get_current_session())
+
+# further functions in _sw_app_utils
+# _gnc_get_current_book is availabe through Session.get_book()
+# _gnc_get_current_root_account is available through Session.get_root_account()