bitbake: utils.py: Once we've printed errors messages, suppress the backtrace

Adding a generic backtrace to better_compile and better_exec is pointless,
therefore reraise the exception as a bb.BBHandledException so the
generic code doesn't confuse the user even more.

(Bitbake rev: b3d97130e1e70fe969399277dcd7cccd888103d6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/utils.py

@@ -216,7 +216,8 @@ def better_compile(text, file, realfile, mode = "exec"):
             for line in body:
                 logger.error(line)
 
-        raise
+        e = bb.BBHandledException(e)
+        raise e
 
 def better_exec(code, context, text = None, realfile = "<code>"):
     """
@@ -231,7 +232,7 @@ def better_exec(code, context, text = None, realfile = "<code>"):
         code = better_compile(code, realfile, realfile)
     try:
         exec(code, _context, context)
-    except Exception:
+    except Exception as e:
         (t, value, tb) = sys.exc_info()
 
         if t in [bb.parse.SkipPackage, bb.build.FuncFailed]:
@@ -280,7 +281,8 @@ def better_exec(code, context, text = None, realfile = "<code>"):
             nexttb = tb.tb_next
             level = level + 1
 
-        raise
+        e = bb.BBHandledException(e)
+        raise e
 
 def simple_exec(code, context):
     exec(code, _context, context)