I18n: make workspaces translatable

This makes workspaces more translatable:
- New Workspace menu
  - header
  - preset menus
  - preset entries
- workspace names upon factory file template load
- new workspace name upon workspace addition

To properly translate those names, an extraction function for
workspace names from app templates was added as well.

(Do not do anything when loading a user-saved file!)

Reviewed By: mont29

Differential Revision: https://developer.blender.org/D15727

2 files changed, 32 insertions, 0 deletions

diff --git a/release/scripts/modules/bl_i18n_utils/bl_extract_messages.py b/release/scripts/modules/bl_i18n_utils/bl_extract_messages.py
index 9f22b2417ed..f6dc2ae7ca0 100644
--- a/release/scripts/modules/bl_i18n_utils/bl_extract_messages.py
+++ b/release/scripts/modules/bl_i18n_utils/bl_extract_messages.py
@@ -8,6 +8,7 @@ import datetime
 import os
 import re
 import sys
+import glob
 
 # XXX Relative import does not work here when used from Blender...
 from bl_i18n_utils import settings as settings_i18n, utils
@@ -883,6 +884,29 @@ def dump_preset_messages(msgs, reports, settings):
         process_msg(msgs, settings.DEFAULT_CONTEXT, msgid, msgsrc, reports, None, settings)
 
 
+def dump_template_messages(msgs, reports, settings):
+    bfiles = [""]  #  General template, no name needed
+    bfiles += glob.glob(settings.TEMPLATES_DIR + "/**/*.blend", recursive=True)
+
+    workspace_names = {}
+
+    for bfile in bfiles:
+        template = os.path.dirname(bfile)
+        template = os.path.basename(template)
+        bpy.ops.wm.read_homefile(use_factory_startup=True, app_template=template)
+        for ws in bpy.data.workspaces:
+            names = workspace_names.setdefault(ws.name, [])
+            names.append(template or "General")
+
+    from bpy.app.translations import contexts as i18n_contexts
+    msgctxt = i18n_contexts.id_workspace
+    for workspace_name in sorted(workspace_names):
+        for msgsrc in sorted(workspace_names[workspace_name]):
+            msgsrc = "Workspace from template " + msgsrc
+            process_msg(msgs, msgctxt, workspace_name, msgsrc,
+                        reports, None, settings)
+
+
 ##### Main functions! #####
 def dump_messages(do_messages, do_checks, settings):
     bl_ver = "Blender " + bpy.app.version_string
@@ -918,6 +942,9 @@ def dump_messages(do_messages, do_checks, settings):
     # Get strings from presets.
     dump_preset_messages(msgs, reports, settings)
 
+    # Get strings from startup templates.
+    dump_template_messages(msgs, reports, settings)
+
     # Get strings from addons' categories.
     for uid, label, tip in bpy.types.WindowManager.addon_filter.keywords['items'](
             bpy.context.window_manager,
diff --git a/release/scripts/modules/bl_i18n_utils/settings.py b/release/scripts/modules/bl_i18n_utils/settings.py
index fb60b07a657..05db4df7cd2 100644
--- a/release/scripts/modules/bl_i18n_utils/settings.py
+++ b/release/scripts/modules/bl_i18n_utils/settings.py
@@ -519,6 +519,10 @@ REL_POTFILES_SOURCE_DIR = os.path.join("source")
 # Where to search for preset names (relative to SOURCE_DIR).
 REL_PRESETS_DIR = os.path.join("release", "scripts", "presets")
 
+# Where to search for templates (relative to SOURCE_DIR).
+REL_TEMPLATES_DIR = os.path.join("release", "scripts", "startup",
+                                 "bl_app_templates_system")
+
 # The template messages file (relative to I18N_DIR).
 REL_FILE_NAME_POT = os.path.join(REL_BRANCHES_DIR, DOMAIN + ".pot")
 
@@ -678,6 +682,7 @@ class I18nSettings:
     GIT_I18N_PO_DIR = property(*(_gen_get_set_path("GIT_I18N_ROOT", "REL_GIT_I18N_PO_DIR")))
     POTFILES_SOURCE_DIR = property(*(_gen_get_set_path("SOURCE_DIR", "REL_POTFILES_SOURCE_DIR")))
     PRESETS_DIR = property(*(_gen_get_set_path("SOURCE_DIR", "REL_PRESETS_DIR")))
+    TEMPLATES_DIR = property(*(_gen_get_set_path("SOURCE_DIR", "REL_TEMPLATES_DIR")))
     FILE_NAME_POT = property(*(_gen_get_set_path("I18N_DIR", "REL_FILE_NAME_POT")))
     MO_PATH_ROOT = property(*(_gen_get_set_path("I18N_DIR", "REL_MO_PATH_ROOT")))
     MO_PATH_TEMPLATE = property(*(_gen_get_set_path("I18N_DIR", "REL_MO_PATH_TEMPLATE")))