diff i18n/hggettext @ 29720:041fecbb588a

i18n: use inspect.getsourcelines() to obtain lineno from func or class

Before, func must be a function object. I want to make it parse docstring
of classes, too.

--- a/i18n/hggettext	Fri Aug 05 21:21:33 2016 +0900
+++ b/i18n/hggettext	Wed Jul 27 21:53:14 2016 +0900
@@ -114,7 +114,7 @@
         if func.__doc__:
             src = inspect.getsource(func)
             name = "%s.%s" % (path, func.__name__)
-            lineno = func.func_code.co_firstlineno
+            lineno = inspect.getsourcelines(func)[1]
             doc = func.__doc__
             if rstrip:
                 doc = doc.rstrip()