More fixes for addon i18n messages management.

4 files changed, 256 insertions, 211 deletions

diff --git a/ui_translate/__init__.py b/ui_translate/__init__.py
index bd34760e..d374044c 100644
--- a/ui_translate/__init__.py
+++ b/ui_translate/__init__.py
@@ -39,12 +39,15 @@ if "bpy" in locals():
     imp.reload(edit_translation)
     imp.reload(update_svn)
     imp.reload(update_addon)
+    imp.reload(update_ui)
 else:
     import bpy
-    from . import settings
-    from . import edit_translation
-    from . import update_svn
-    from . import update_addon
+    from . import (settings,
+                   edit_translation,
+                   update_svn,
+                   update_addon,
+                   update_ui,
+                  )
 
 
 import os
@@ -53,7 +56,7 @@ import os
 def register():
     bpy.utils.register_module(__name__)
     bpy.types.WindowManager.i18n_update_svn_settings = \
-                    bpy.props.PointerProperty(type=update_svn.I18nUpdateTranslationSettings)
+                    bpy.props.PointerProperty(type=update_ui.I18nUpdateTranslationSettings)
 
     # Init addon's preferences (unfortunately, as we are using an external storage for the properties,
     # the load/save user preferences process has no effect on them :( ).
diff --git a/ui_translate/update_addon.py b/ui_translate/update_addon.py
index 5e3b3611..3a7df05d 100644
--- a/ui_translate/update_addon.py
+++ b/ui_translate/update_addon.py
@@ -66,29 +66,26 @@ def validate_module(op, context):
     return module_name, mod[0]
 
 
-# As it's a bit time heavy, we cache that enum, operators using this should invalidate the cache in Invoke func
-# at least.
+# As it's a bit time heavy, I'd like to cache that enum, but this does not seem easy to do! :/
+# That "self" is not the same thing as the "self" that operators get in their invoke/execute/etc. funcs... :(
 def enum_addons(self, context):
-    items = getattr(self.__class__, "__enum_addons_cache", [])
-    print(items)
-    if not items:
-        setts = getattr(self, "settings", settings.settings)
-        for mod in addon_utils.modules(addon_utils.addons_fake_modules):
-            mod_info = addon_utils.module_bl_info(mod)
-            # Skip OFFICIAL addons, they are already translated in main i18n system (together with Blender itself).
-            if mod_info["support"] in {'OFFICIAL'}:
-                continue
-            src = mod.__file__
-            if src.endswith("__init__.py"):
-                src = os.path.dirname(src)
-            has_translation, _ = utils_i18n.I18n.check_py_module_has_translations(src, setts)
-            name = mod_info["name"]
-            #if has_translation:
-                #name = name + " *"
-            items.append((mod.__name__, name, mod_info["description"]))
-        items.sort(key=lambda i: i[1])
-        if hasattr(self.__class__, "__enum_addons_cache"):
-            self.__class__.__enum_addons_cache = items
+    setts = getattr(self, "settings", settings.settings)
+    items = []
+    for mod in addon_utils.modules(addon_utils.addons_fake_modules):
+        mod_info = addon_utils.module_bl_info(mod)
+        # Skip OFFICIAL addons, they are already translated in main i18n system (together with Blender itself).
+        if mod_info["support"] in {'OFFICIAL'}:
+            continue
+        src = mod.__file__
+        if src.endswith("__init__.py"):
+            src = os.path.dirname(src)
+        has_translation, _ = utils_i18n.I18n.check_py_module_has_translations(src, setts)
+        name = mod_info["name"]
+        # XXX Gives ugly UUUUUUUUUUUUUUUUUUU in search list!
+        #if has_translation:
+            #name = name + " *"
+        items.append((mod.__name__, name, mod_info["description"]))
+    items.sort(key=lambda i: i[1])
     return items
 
 
@@ -151,24 +148,31 @@ class UI_OT_i18n_addon_translation_invoke(bpy.types.Operator):
 
     module_name = EnumProperty(items=enum_addons, name="Addon", description="Addon to process", options=set())
     op_id = StringProperty(name="Operator Name", description="Name (id) of the operator to invoke")
-
-    __enum_addons_cache = []
+    # XXX Ugly hack! invoke_search_popup does not preserve ops' properties :(
+    _op_id = ""
 
     def invoke(self, context, event):
         print("op_id:", self.op_id)
-        self.__enum_addons_cache.clear()
+        # XXX Ugly hack! invoke_search_popup does not preserve ops' properties :(
+        self.__class__._op_id = self.op_id
         context.window_manager.invoke_search_popup(self)
         return {'RUNNING_MODAL'}
 
     def execute(self, context):
-        print("op_id:", self.op_id)
+        print("op_id:", self.op_id, self.__class__._op_id)
+        if not self.op_id:
+            # XXX Ugly hack! invoke_search_popup does not preserve ops' properties :(
+            if not self.__class__._op_id:
+                return {'CANCELLED'}
+            self.op_id = self.__class__._op_id
+            self.__class__._op_id = ""
         op = bpy.ops
         for item in self.op_id.split('.'):
             op = getattr(op, item, None)
             print(self.op_id, item, op)
             if op is None:
                 return {'CANCELLED'}
-        op('INVOKE_DEFAULT', module_name=self.module_name)
+        return op('INVOKE_DEFAULT', module_name=self.module_name)
 
 class UI_OT_i18n_addon_translation_update(bpy.types.Operator):
     """Update given addon's translation data (found as a py tuple in the addon's source code)"""
@@ -177,8 +181,6 @@ class UI_OT_i18n_addon_translation_update(bpy.types.Operator):
 
     module_name = EnumProperty(items=enum_addons, name="Addon", description="Addon to process", options=set())
 
-    __enum_addons_cache = []
-
     def execute(self, context):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
@@ -212,8 +214,9 @@ class UI_OT_i18n_addon_translation_update(bpy.types.Operator):
 
         # And merge!
         for uid in uids:
-            if uid in trans.trans:
-                trans.trans[uid].update(pot, keep_old_commented=False)
+            if uid not in trans.trans:
+                trans.trans[uid] = utils_i18n.I18nMessages(uid=uid, settings=self.settings)
+            trans.trans[uid].update(pot, keep_old_commented=False)
         trans.trans[self.settings.PARSER_TEMPLATE_ID] = pot
 
         # For now we write all languages found in this trans!
@@ -233,8 +236,6 @@ class UI_OT_i18n_addon_translation_export(bpy.types.Operator):
                                        description="Update existing po files, if any, instead of overwriting them")
     directory = StringProperty(maxlen=1024, subtype='FILE_PATH', options={'HIDDEN', 'SKIP_SAVE'})
 
-    __enum_addons_cache = []
-
     def _dst(self, trans, path, uid, kind):
         if kind == 'PO':
             if uid == self.settings.PARSER_TEMPLATE_ID:
@@ -250,7 +251,6 @@ class UI_OT_i18n_addon_translation_export(bpy.types.Operator):
     def invoke(self, context, event):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        self.__enum_addons_cache.clear()
         module_name, mod = validate_module(self, context)
         if mod:
             self.directory = os.path.dirname(mod.__file__)
@@ -291,7 +291,7 @@ class UI_OT_i18n_addon_translation_export(bpy.types.Operator):
             for uid in uids:
                 if uid == self.settings.PARSER_TEMPLATE_ID:
                     continue
-                path = trans.dst(trans.src[uid], uid, 'PO')
+                path = trans.dst(trans, trans.src[uid], uid, 'PO')
                 if not os.path.isfile(path):
                     continue
                 msgs = utils_i18n.I18nMessages(kind='PO', src=path, settings=self.settings)
diff --git a/ui_translate/update_svn.py b/ui_translate/update_svn.py
index a76d6bce..bb9bbdb2 100644
--- a/ui_translate/update_svn.py
+++ b/ui_translate/update_svn.py
@@ -38,8 +38,6 @@ else:
     from bl_i18n_utils import utils as utils_i18n
     from bl_i18n_utils import utils_languages_menu
 
-from bpy.app.translations import pgettext_iface as iface_
-
 import io
 import os
 import shutil
@@ -47,176 +45,7 @@ import subprocess
 import tempfile
 
 
-##### Data #####
-class I18nUpdateTranslationLanguage(bpy.types.PropertyGroup):
-    """Settings/info about a language"""
-    uid = StringProperty(name="Language ID", default="", description="ISO code, like fr_FR")
-    num_id = IntProperty(name="Numeric ID", default=0, min=0, description="Numeric ID (readonly!)")
-    name = StringProperty(name="Language Name", default="",
-                          description="English language name/label (like \"French (Français)\")")
-    use = BoolProperty(name="Use", default=True, description="Use this language in current operator")
-    po_path = StringProperty(name="PO File Path", default="", subtype='FILE_PATH',
-                             description="Path to the relevant po file in branches")
-    po_path_trunk = StringProperty(name="PO Trunk File Path", default="", subtype='FILE_PATH',
-                                   description="Path to the relevant po file in trunk")
-    mo_path_trunk = StringProperty(name="MO File Path", default="", subtype='FILE_PATH',
-                                   description="Path to the relevant mo file")
-
-
-class I18nUpdateTranslationSettings(bpy.types.PropertyGroup):
-    """Settings/info about a language"""
-    langs = CollectionProperty(name="Languages", type=I18nUpdateTranslationLanguage,
-                               description="Languages to update in branches")
-    active_lang = IntProperty(name="Active Language", default=0,
-                              description="Index of active language in langs collection")
-    pot_path = StringProperty(name="POT File Path", default="", subtype='FILE_PATH',
-                              description="Path to the pot template file")
-    is_init = BoolProperty(default=False, options={'HIDDEN'},
-                           description="Whether these settings have already been auto-set or not")
-
-
-##### UI #####
-class UI_UL_i18n_languages(bpy.types.UIList):
-    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
-        #assert(isinstance(item, bpy.types.I18nUpdateTranslationLanguage))
-        if self.layout_type in {'DEFAULT', 'COMPACT'}:
-            layout.label(item.name, icon_value=icon)
-            layout.prop(item, "use", text="")
-        elif self.layout_type in {'GRID'}:
-            layout.alignment = 'CENTER'
-            layout.label(item.uid)
-            layout.prop(item, "use", text="")
-
-
-class UI_PT_i18n_update_translations_settings(bpy.types.Panel):
-    bl_label = "I18n Update Translation Main"
-    bl_space_type = "PROPERTIES"
-    bl_region_type = "WINDOW"
-    bl_context = "render"
-
-    def draw(self, context):
-        layout = self.layout
-        i18n_sett = context.window_manager.i18n_update_svn_settings
-
-        if not i18n_sett.is_init and bpy.ops.ui.i18n_updatetranslation_svn_init_settings.poll():
-            bpy.ops.ui.i18n_updatetranslation_svn_init_settings()
-
-        if not i18n_sett.is_init:
-            layout.label(text="Could not init languages data!")
-            layout.label(text="Please edit the preferences of the UI Translate addon")
-        else:
-            split = layout.split(0.75)
-            split.template_list("UI_UL_i18n_languages", "", i18n_sett, "langs", i18n_sett, "active_lang", rows=8)
-            col = split.column()
-            col.operator("ui.i18n_updatetranslation_svn_init_settings", text="Reset Settings")
-            if any(l.use for l in i18n_sett.langs):
-                col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Deselect All").use_select = False
-            else:
-                col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Select All").use_select = True
-            col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Invert Selection").use_invert = True
-            col.separator()
-            col.operator("ui.i18n_updatetranslation_svn_branches", text="Update Branches")
-            col.operator("ui.i18n_updatetranslation_svn_trunk", text="Update Trunk")
-            col.operator("ui.i18n_updatetranslation_svn_statistics", text="Statistics")
-
-            if i18n_sett.active_lang >= 0 and i18n_sett.active_lang < len(i18n_sett.langs):
-                lng = i18n_sett.langs[i18n_sett.active_lang]
-                col = layout.column()
-                col.active = lng.use
-                row = col.row()
-                row.label(text="[{}]: \"{}\" ({})".format(lng.uid, iface_(lng.name), lng.num_id), translate=False)
-                row.prop(lng, "use", text="")
-                col.prop(lng, "po_path")
-                col.prop(lng, "po_path_trunk")
-                col.prop(lng, "mo_path_trunk")
-            layout.separator()
-            layout.prop(i18n_sett, "pot_path")
-
-            layout.separator()
-            layout.label("Addons:")
-            row = layout.row()
-            op = row.operator("UI_OT_i18n_addon_translation_invoke", text="Export PO...")
-            op.op_id = "ui.i18n_addon_translation_export"
-
-
 ##### Operators #####
-class UI_OT_i18n_updatetranslation_svn_init_settings(bpy.types.Operator):
-    """Init settings for i18n svn's update operators"""
-    bl_idname = "ui.i18n_updatetranslation_svn_init_settings"
-    bl_label = "Init I18n Update Settings"
-    bl_option = {'REGISTER'}
-
-    @classmethod
-    def poll(cls, context):
-        return context.window_manager != None
-
-    def execute(self, context):
-        if not hasattr(self, "settings"):
-            self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
-
-        # First, create the list of languages from settings.
-        i18n_sett.langs.clear()
-        root_br = self.settings.BRANCHES_DIR
-        root_tr_po = self.settings.TRUNK_PO_DIR
-        root_tr_mo = os.path.join(self.settings.TRUNK_DIR, self.settings.MO_PATH_TEMPLATE, self.settings.MO_FILE_NAME)
-        if not (os.path.isdir(root_br) and os.path.isdir(root_tr_po)):
-            return {'CANCELLED'}
-        isocodes = ((e, os.path.join(root_br, e, e + ".po")) for e in os.listdir(root_br))
-        isocodes = dict(e for e in isocodes if os.path.isfile(e[1]))
-        for num_id, name, uid in self.settings.LANGUAGES[2:]:  # Skip "default" and "en" languages!
-            best_po = utils_i18n.find_best_isocode_matches(uid, isocodes)
-            #print(uid, "->", best_po)
-            lng = i18n_sett.langs.add()
-            lng.uid = uid
-            lng.num_id = num_id
-            lng.name = name
-            if best_po:
-                lng.use = True
-                isocode = best_po[0]
-                lng.po_path = isocodes[isocode]
-                lng.po_path_trunk = os.path.join(root_tr_po, isocode + ".po")
-                lng.mo_path_trunk = root_tr_mo.format(isocode)
-            else:
-                lng.use = False
-                language, _1, _2, language_country, language_variant = utils_i18n.locale_explode(uid)
-                for isocode in (language, language_variant, language_country, uid):
-                    p = os.path.join(root_br, isocode, isocode + ".po")
-                    if not os.path.exists(p):
-                        lng.use = True
-                        lng.po_path = p
-                        lng.po_path_trunk = os.path.join(root_tr_po, isocode + ".po")
-                        lng.mo_path_trunk = root_tr_mo.format(isocode)
-                        break
-
-        i18n_sett.pot_path = self.settings.FILE_NAME_POT
-        i18n_sett.is_init = True
-        return {'FINISHED'}
-
-
-class UI_OT_i18n_updatetranslation_svn_settings_select(bpy.types.Operator):
-    """(De)select (or invert selection of) all languages for i18n svn's update operators"""
-    bl_idname = "ui.i18n_updatetranslation_svn_settings_select"
-    bl_label = "Init I18n Update Select Languages"
-
-    use_select = BoolProperty(name="Select All", default=True, description="Select all if True, else deselect all")
-    use_invert = BoolProperty(name="Invert Selection", default=False,
-                              description="Inverse selection (overrides 'Select All' when True)")
-
-    @classmethod
-    def poll(cls, context):
-        return context.window_manager != None
-
-    def execute(self, context):
-        if self.use_invert:
-            for lng in context.window_manager.i18n_update_svn_settings.langs:
-                lng.use = not lng.use
-        else:
-            for lng in context.window_manager.i18n_update_svn_settings.langs:
-                lng.use = self.use_select
-        return {'FINISHED'}
-
-
 class UI_OT_i18n_updatetranslation_svn_branches(bpy.types.Operator):
     """Update i18n svn's branches (po files)"""
     bl_idname = "ui.i18n_updatetranslation_svn_branches"
diff --git a/ui_translate/update_ui.py b/ui_translate/update_ui.py
new file mode 100644
index 00000000..758f7cbe
--- /dev/null
+++ b/ui_translate/update_ui.py
@@ -0,0 +1,213 @@
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8 compliant>
+
+if "bpy" in locals():
+    import imp
+    imp.reload(settings)
+    imp.reload(utils_i18n)
+else:
+    import bpy
+    from bpy.props import (BoolProperty,
+                           CollectionProperty,
+                           EnumProperty,
+                           FloatProperty,
+                           FloatVectorProperty,
+                           IntProperty,
+                           PointerProperty,
+                           StringProperty,
+                           )
+    from . import settings
+    from bl_i18n_utils import utils as utils_i18n
+
+from bpy.app.translations import pgettext_iface as iface_
+
+import os
+
+
+##### Data #####
+class I18nUpdateTranslationLanguage(bpy.types.PropertyGroup):
+    """Settings/info about a language"""
+    uid = StringProperty(name="Language ID", default="", description="ISO code, like fr_FR")
+    num_id = IntProperty(name="Numeric ID", default=0, min=0, description="Numeric ID (readonly!)")
+    name = StringProperty(name="Language Name", default="",
+                          description="English language name/label (like \"French (Français)\")")
+    use = BoolProperty(name="Use", default=True, description="Use this language in current operator")
+    po_path = StringProperty(name="PO File Path", default="", subtype='FILE_PATH',
+                             description="Path to the relevant po file in branches")
+    po_path_trunk = StringProperty(name="PO Trunk File Path", default="", subtype='FILE_PATH',
+                                   description="Path to the relevant po file in trunk")
+    mo_path_trunk = StringProperty(name="MO File Path", default="", subtype='FILE_PATH',
+                                   description="Path to the relevant mo file")
+
+
+class I18nUpdateTranslationSettings(bpy.types.PropertyGroup):
+    """Settings/info about a language"""
+    langs = CollectionProperty(name="Languages", type=I18nUpdateTranslationLanguage,
+                               description="Languages to update in branches")
+    active_lang = IntProperty(name="Active Language", default=0,
+                              description="Index of active language in langs collection")
+    pot_path = StringProperty(name="POT File Path", default="", subtype='FILE_PATH',
+                              description="Path to the pot template file")
+    is_init = BoolProperty(default=False, options={'HIDDEN'},
+                           description="Whether these settings have already been auto-set or not")
+
+
+##### UI #####
+class UI_UL_i18n_languages(bpy.types.UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
+        #assert(isinstance(item, bpy.types.I18nUpdateTranslationLanguage))
+        if self.layout_type in {'DEFAULT', 'COMPACT'}:
+            layout.label(item.name, icon_value=icon)
+            layout.prop(item, "use", text="")
+        elif self.layout_type in {'GRID'}:
+            layout.alignment = 'CENTER'
+            layout.label(item.uid)
+            layout.prop(item, "use", text="")
+
+
+class UI_PT_i18n_update_translations_settings(bpy.types.Panel):
+    bl_label = "I18n Update Translation"
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
+    bl_context = "render"
+
+    def draw(self, context):
+        layout = self.layout
+        i18n_sett = context.window_manager.i18n_update_svn_settings
+
+        if not i18n_sett.is_init and bpy.ops.ui.i18n_updatetranslation_svn_init_settings.poll():
+            bpy.ops.ui.i18n_updatetranslation_svn_init_settings()
+
+        if not i18n_sett.is_init:
+            layout.label(text="Could not init languages data!")
+            layout.label(text="Please edit the preferences of the UI Translate addon")
+        else:
+            split = layout.split(0.75)
+            split.template_list("UI_UL_i18n_languages", "", i18n_sett, "langs", i18n_sett, "active_lang", rows=8)
+            col = split.column()
+            col.operator("ui.i18n_updatetranslation_svn_init_settings", text="Reset Settings")
+            if any(l.use for l in i18n_sett.langs):
+                col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Deselect All").use_select = False
+            else:
+                col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Select All").use_select = True
+            col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Invert Selection").use_invert = True
+            col.separator()
+            col.operator("ui.i18n_updatetranslation_svn_branches", text="Update Branches")
+            col.operator("ui.i18n_updatetranslation_svn_trunk", text="Update Trunk")
+            col.operator("ui.i18n_updatetranslation_svn_statistics", text="Statistics")
+
+            if i18n_sett.active_lang >= 0 and i18n_sett.active_lang < len(i18n_sett.langs):
+                lng = i18n_sett.langs[i18n_sett.active_lang]
+                col = layout.column()
+                col.active = lng.use
+                row = col.row()
+                row.label(text="[{}]: \"{}\" ({})".format(lng.uid, iface_(lng.name), lng.num_id), translate=False)
+                row.prop(lng, "use", text="")
+                col.prop(lng, "po_path")
+                col.prop(lng, "po_path_trunk")
+                col.prop(lng, "mo_path_trunk")
+            layout.separator()
+            layout.prop(i18n_sett, "pot_path")
+
+            layout.separator()
+            layout.label("Addons:")
+            row = layout.row()
+            op = row.operator("ui.i18n_addon_translation_invoke", text="Export PO...")
+            op.op_id = "ui.i18n_addon_translation_export"
+            op = row.operator("ui.i18n_addon_translation_invoke", text="Refresh I18n Data...")
+            op.op_id = "ui.i18n_addon_translation_update"
+
+
+##### Operators #####
+class UI_OT_i18n_updatetranslation_svn_init_settings(bpy.types.Operator):
+    """Init settings for i18n svn's update operators"""
+    bl_idname = "ui.i18n_updatetranslation_svn_init_settings"
+    bl_label = "Init I18n Update Settings"
+    bl_option = {'REGISTER'}
+
+    @classmethod
+    def poll(cls, context):
+        return context.window_manager != None
+
+    def execute(self, context):
+        if not hasattr(self, "settings"):
+            self.settings = settings.settings
+        i18n_sett = context.window_manager.i18n_update_svn_settings
+
+        # First, create the list of languages from settings.
+        i18n_sett.langs.clear()
+        root_br = self.settings.BRANCHES_DIR
+        root_tr_po = self.settings.TRUNK_PO_DIR
+        root_tr_mo = os.path.join(self.settings.TRUNK_DIR, self.settings.MO_PATH_TEMPLATE, self.settings.MO_FILE_NAME)
+        if not (os.path.isdir(root_br) and os.path.isdir(root_tr_po)):
+            return {'CANCELLED'}
+        isocodes = ((e, os.path.join(root_br, e, e + ".po")) for e in os.listdir(root_br))
+        isocodes = dict(e for e in isocodes if os.path.isfile(e[1]))
+        for num_id, name, uid in self.settings.LANGUAGES[2:]:  # Skip "default" and "en" languages!
+            best_po = utils_i18n.find_best_isocode_matches(uid, isocodes)
+            #print(uid, "->", best_po)
+            lng = i18n_sett.langs.add()
+            lng.uid = uid
+            lng.num_id = num_id
+            lng.name = name
+            if best_po:
+                lng.use = True
+                isocode = best_po[0]
+                lng.po_path = isocodes[isocode]
+                lng.po_path_trunk = os.path.join(root_tr_po, isocode + ".po")
+                lng.mo_path_trunk = root_tr_mo.format(isocode)
+            else:
+                lng.use = False
+                language, _1, _2, language_country, language_variant = utils_i18n.locale_explode(uid)
+                for isocode in (language, language_variant, language_country, uid):
+                    p = os.path.join(root_br, isocode, isocode + ".po")
+                    if not os.path.exists(p):
+                        lng.use = True
+                        lng.po_path = p
+                        lng.po_path_trunk = os.path.join(root_tr_po, isocode + ".po")
+                        lng.mo_path_trunk = root_tr_mo.format(isocode)
+                        break
+
+        i18n_sett.pot_path = self.settings.FILE_NAME_POT
+        i18n_sett.is_init = True
+        return {'FINISHED'}
+
+
+class UI_OT_i18n_updatetranslation_svn_settings_select(bpy.types.Operator):
+    """(De)select (or invert selection of) all languages for i18n svn's update operators"""
+    bl_idname = "ui.i18n_updatetranslation_svn_settings_select"
+    bl_label = "Init I18n Update Select Languages"
+
+    use_select = BoolProperty(name="Select All", default=True, description="Select all if True, else deselect all")
+    use_invert = BoolProperty(name="Invert Selection", default=False,
+                              description="Inverse selection (overrides 'Select All' when True)")
+
+    @classmethod
+    def poll(cls, context):
+        return context.window_manager != None
+
+    def execute(self, context):
+        if self.use_invert:
+            for lng in context.window_manager.i18n_update_svn_settings.langs:
+                lng.use = not lng.use
+        else:
+            for lng in context.window_manager.i18n_update_svn_settings.langs:
+                lng.use = self.use_select
+        return {'FINISHED'}