7678: some fixes around gettext and messages handling

gramps/gen/utils/image.py

@@ -44,6 +44,8 @@ import tempfile
 #
 #-------------------------------------------------------------------------
 from ..constfunc import conv_to_unicode
+from ..const import GRAMPS_LOCALE as glocale
+_ = glocale.translation.gettext
 
 def crop_percentage_to_subpixel(width, height, crop):
     """

gramps/plugins/lib/libhtmlbackend.py

@@ -44,6 +44,9 @@ from gramps.gen.plug.docbackend import DocBackend
 from gramps.plugins.lib.libhtml import Html, xml_lang
 from gramps.gen.errors import ReportError
 
+from gramps.const import GRAMPS_LOCALE as glocale
+_ = glocale.translation.gettext
+
 
 #------------------------------------------------------------------------
 #

po/POTFILES.in

@@ -631,9 +631,7 @@ gramps/plugins/quickview/samesurnames.py
 gramps/plugins/quickview/siblings.py
 gramps/plugins/rel/relplugins.gpr.py
 gramps/plugins/sidebar/sidebar.gpr.py
-gramps/plugins/sidebar/categorysidebar.py
 gramps/plugins/sidebar/dropdownsidebar.py
-gramps/plugins/sidebar/expandersidebar.py
 gramps/plugins/textreport/alphabeticalindex.py
 gramps/plugins/textreport/ancestorreport.py
 gramps/plugins/textreport/birthdayreport.py

po/POTFILES.skip

@@ -494,6 +494,7 @@ gramps/plugins/rel/rel_sv.py
 # plugins/sidebar directory
 #
 gramps/plugins/sidebar/categorysidebar.py
+gramps/plugins/sidebar/expandersidebar.py
 gramps/plugins/sidebar/__init__.py
 #
 # Development tools