2 files changed, 14 insertions, 5 deletions

diff --git a/bitbake/lib/bb/build.py b/bitbake/lib/bb/build.py
index d20ee065b2..db5072cb4d 100644
--- a/bitbake/lib/bb/build.py
+++ b/bitbake/lib/bb/build.py
@@ -156,7 +156,12 @@ class LogTee(object):
     def flush(self):
         self.outfile.flush()
 
-def exec_func(func, d, dirs = None):
+#
+# pythonexception allows the python exceptions generated to be raised
+# as the real exceptions (not FuncFailed) and without a backtrace at the 
+# origin of the failure.
+#
+def exec_func(func, d, dirs = None, pythonexception=False):
     """Execute a BB 'function'"""
 
     body = d.getVar(func, False)
@@ -224,7 +229,7 @@ def exec_func(func, d, dirs = None):
 
     with bb.utils.fileslocked(lockfiles):
         if ispython:
-            exec_func_python(func, d, runfile, cwd=adir)
+            exec_func_python(func, d, runfile, cwd=adir, pythonexception=pythonexception)
         else:
             exec_func_shell(func, d, runfile, cwd=adir)
 
@@ -232,7 +237,7 @@ _functionfmt = """
 {function}(d)
 """
 logformatter = bb.msg.BBLogFormatter("%(levelname)s: %(message)s")
-def exec_func_python(func, d, runfile, cwd=None):
+def exec_func_python(func, d, runfile, cwd=None, pythonexception=False):
     """Execute a python BB 'function'"""
 
     code = _functionfmt.format(function=func)
@@ -256,10 +261,12 @@ def exec_func_python(func, d, runfile, cwd=None):
         bb.methodpool.insert_method(func, text, fn, lineno - 1)
 
         comp = utils.better_compile(code, func, "exec_python_func() autogenerated")
-        utils.better_exec(comp, {"d": d}, code, "exec_python_func() autogenerated")
+        utils.better_exec(comp, {"d": d}, code, "exec_python_func() autogenerated", pythonexception=pythonexception)
     except (bb.parse.SkipRecipe, bb.build.FuncFailed):
         raise
     except:
+        if pythonexception:
+            raise
         raise FuncFailed(func, None)
     finally:
         bb.debug(2, "Python function %s finished" % func)
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 7ab8927608..e9ad68f2d7 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -372,7 +372,7 @@ def _print_exception(t, value, tb, realfile, text, context):
     finally:
         logger.error("\n".join(error))
 
-def better_exec(code, context, text = None, realfile = "<code>"):
+def better_exec(code, context, text = None, realfile = "<code>", pythonexception=False):
     """
     Similiar to better_compile, better_exec will
     print the lines that are responsible for the
@@ -389,6 +389,8 @@ def better_exec(code, context, text = None, realfile = "<code>"):
         # Error already shown so passthrough, no need for traceback
         raise
     except Exception as e:
+        if pythonexception:
+            raise
         (t, value, tb) = sys.exc_info()
         try:
             _print_exception(t, value, tb, realfile, text, context)