build: automatically determine macOS translations

Rather than using OSX_QT_TRANSLATIONS which must be manually updated,
and we forget to update anyway, i.e: #19059, automatically find and copy
available translations from the translations directory.

Author: fanquake

Makefile.am

@@ -41,7 +41,6 @@ OSX_DEPLOY_SCRIPT=$(top_srcdir)/contrib/macdeploy/macdeployqtplus
 OSX_FANCY_PLIST=$(top_srcdir)/contrib/macdeploy/fancy.plist
 OSX_INSTALLER_ICONS=$(top_srcdir)/src/qt/res/icons/bitcoin.icns
 OSX_PLIST=$(top_builddir)/share/qt/Info.plist #not installed
-OSX_QT_TRANSLATIONS = ar,bg,ca,cs,da,de,es,fa,fi,fr,gd,gl,he,hu,it,ja,ko,lt,lv,pl,pt,ru,sk,sl,sv,uk,zh_CN,zh_TW
 
 DIST_CONTRIB = \
 	       $(top_srcdir)/contrib/linearize/linearize-data.py \
@@ -117,7 +116,7 @@ osx_volname:
 
 if BUILD_DARWIN
 $(OSX_DMG): $(OSX_APP_BUILT) $(OSX_PACKAGING) $(OSX_BACKGROUND_IMAGE)
-	$(PYTHON) $(OSX_DEPLOY_SCRIPT) $(OSX_APP) -add-qt-tr $(OSX_QT_TRANSLATIONS) -translations-dir=$(QT_TRANSLATION_DIR) -dmg -fancy $(OSX_FANCY_PLIST) -verbose 2 -volname $(OSX_VOLNAME)
+	$(PYTHON) $(OSX_DEPLOY_SCRIPT) $(OSX_APP) -translations-dir=$(QT_TRANSLATION_DIR) -dmg -fancy $(OSX_FANCY_PLIST) -verbose 2 -volname $(OSX_VOLNAME)
 
 $(OSX_BACKGROUND_IMAGE).png: contrib/macdeploy/$(OSX_BACKGROUND_SVG)
 	sed 's/PACKAGE_NAME/$(PACKAGE_NAME)/' < "$<" | $(RSVG_CONVERT) -f png -d 36 -p 36 -o $@
@@ -151,7 +150,7 @@ $(APP_DIST_DIR)/.DS_Store: $(OSX_DSSTORE_GEN)
 	$(PYTHON) $< "$@" "$(OSX_VOLNAME)"
 
 $(APP_DIST_DIR)/$(OSX_APP)/Contents/MacOS/Bitcoin-Qt: $(OSX_APP_BUILT) $(OSX_PACKAGING)
-	INSTALLNAMETOOL=$(INSTALLNAMETOOL)  OTOOL=$(OTOOL) STRIP=$(STRIP) $(PYTHON) $(OSX_DEPLOY_SCRIPT) $(OSX_APP) -translations-dir=$(QT_TRANSLATION_DIR) -add-qt-tr $(OSX_QT_TRANSLATIONS) -verbose 2
+	INSTALLNAMETOOL=$(INSTALLNAMETOOL)  OTOOL=$(OTOOL) STRIP=$(STRIP) $(PYTHON) $(OSX_DEPLOY_SCRIPT) $(OSX_APP) -translations-dir=$(QT_TRANSLATION_DIR) -verbose 2
 
 deploydir: $(APP_DIST_EXTRAS)
 endif

contrib/macdeploy/macdeployqtplus

@@ -17,8 +17,9 @@
 #
 
 import subprocess, sys, re, os, shutil, stat, os.path, time
-from string import Template
 from argparse import ArgumentParser
+from pathlib import Path
+from string import Template
 from typing import List, Optional
 
 # This is ported from the original macdeployqt with modifications
@@ -526,8 +527,7 @@ ap.add_argument("-no-strip", dest="strip", action="store_false", default=True, h
 ap.add_argument("-sign", dest="sign", action="store_true", default=False, help="sign .app bundle with codesign tool")
 ap.add_argument("-dmg", nargs="?", const="", metavar="basename", help="create a .dmg disk image; if basename is not specified, a camel-cased version of the app name is used")
 ap.add_argument("-fancy", nargs=1, metavar="plist", default=[], help="make a fancy looking disk image using the given plist file with instructions; requires -dmg to work")
-ap.add_argument("-add-qt-tr", nargs=1, metavar="languages", default=[], help="add Qt translation files to the bundle's resources; the language list must be separated with commas, not with whitespace")
-ap.add_argument("-translations-dir", nargs=1, metavar="path", default=None, help="Path to Qt's translation files")
+ap.add_argument("-translations-dir", nargs=1, metavar="path", default=None, help="Path to Qt's translations. Base translations will automatically be added to the bundle's resources.")
 ap.add_argument("-add-resources", nargs="+", metavar="path", default=[], help="list of additional files or folders to be copied into the bundle's resources; must be the last argument")
 ap.add_argument("-volname", nargs=1, metavar="volname", default=[], help="custom volume name for dmg")
 
@@ -547,15 +547,6 @@ if not os.path.exists(app_bundle):
 app_bundle_name = os.path.splitext(os.path.basename(app_bundle))[0]
 
 # ------------------------------------------------
-translations_dir = None
-if config.translations_dir and config.translations_dir[0]:
-    if os.path.exists(config.translations_dir[0]):
-        translations_dir = config.translations_dir[0]
-    else:
-        if verbose >= 1:
-            sys.stderr.write("Error: Could not find translation dir \"{}\"\n".format(translations_dir))
-        sys.exit(1)
-# ------------------------------------------------
 
 for p in config.add_resources:
     if verbose >= 3:
@@ -684,26 +675,24 @@ if config.plugins:
 
 # ------------------------------------------------
 
-if len(config.add_qt_tr) == 0:
-    add_qt_tr = []
-else:
-    if translations_dir is not None:
-        qt_tr_dir = translations_dir
-    else:
-        if deploymentInfo.qtPath is not None:
-            qt_tr_dir = os.path.join(deploymentInfo.qtPath, "translations")
-        else:
-            sys.stderr.write("Error: Could not find Qt translation path\n")
-            sys.exit(1)
-    add_qt_tr = ["qt_{}.qm".format(lng) for lng in config.add_qt_tr[0].split(",")]
-    for lng_file in add_qt_tr:
-        p = os.path.join(qt_tr_dir, lng_file)
-        if verbose >= 3:
-            print("Checking for \"{}\"...".format(p))
-        if not os.path.exists(p):
-            if verbose >= 1:
-                sys.stderr.write("Error: Could not find Qt translation file \"{}\"\n".format(lng_file))
-                sys.exit(1)
+if config.translations_dir:
+    if not Path(config.translations_dir[0]).exists():
+        sys.stderr.write("Error: Could not find translation dir \"{}\"\n".format(config.translations_dir[0]))
+        sys.exit(1)
+
+if verbose >= 2:
+    print("+ Adding Qt translations +")
+
+translations = Path(config.translations_dir[0])
+
+regex = re.compile('qt_[a-z]*(.qm|_[A-Z]*.qm)')
+
+lang_files = [x for x in translations.iterdir() if regex.match(x.name)]
+
+for file in lang_files:
+    if verbose >= 3:
+        print(file.as_posix(), "->", os.path.join(applicationBundle.resourcesPath, file.name))
+    shutil.copy2(file.as_posix(), os.path.join(applicationBundle.resourcesPath, file.name))
 
 # ------------------------------------------------
 
@@ -715,16 +704,6 @@ with open(os.path.join(applicationBundle.resourcesPath, "qt.conf"), "wb") as f:
 
 # ------------------------------------------------
 
-if len(add_qt_tr) > 0 and verbose >= 2:
-    print("+ Adding Qt translations +")
-
-for lng_file in add_qt_tr:
-    if verbose >= 3:
-        print(os.path.join(qt_tr_dir, lng_file), "->", os.path.join(applicationBundle.resourcesPath, lng_file))
-    shutil.copy2(os.path.join(qt_tr_dir, lng_file), os.path.join(applicationBundle.resourcesPath, lng_file))
-
-# ------------------------------------------------
-
 if len(config.add_resources) > 0 and verbose >= 2:
     print("+ Adding additional resources +")
 

depends/packages/qt.mk

@@ -14,7 +14,6 @@ $(package)_patches+= fix_android_qmake_conf.patch fix_android_jni_static.patch d
 $(package)_patches+= freetype_back_compat.patch drop_lrelease_dependency.patch fix_powerpc_libpng.patch
 $(package)_patches+= fix_mingw_cross_compile.patch fix_qpainter_non_determinism.patch
 
-# Update OSX_QT_TRANSLATIONS when this is updated
 $(package)_qttranslations_file_name=qttranslations-$($(package)_suffix)
 $(package)_qttranslations_sha256_hash=fb5a47799754af73d3bf501fe513342cfe2fc37f64e80df5533f6110e804220c