Added configuration file for specifying whether a provided qt-translation should be used as a fallback only or whether it should override an existing Qt translation

1 files changed, 63 insertions, 6 deletions

diff --git a/scripts/generate-mumble_qt-qrc.py b/scripts/generate-mumble_qt-qrc.py
index f85900624..139776543 100755
--- a/scripts/generate-mumble_qt-qrc.py
+++ b/scripts/generate-mumble_qt-qrc.py
@@ -12,12 +12,52 @@ import platform
 import sys
 
 allowed_prefixes = ('qt', 'qtbase')
+override_qt = []
 
-def dirToQrc(of, dirName, alreadyProcessedLangs):
+def parseTranslationsConfig(configFile):
+	configHandle = open(configFile, "r")
+
+	for currentLine in configHandle.readlines():
+		currentLine = currentLine.strip()
+		# Skip comments and empty lines
+		if currentLine.startswith("#") or not currentLine:
+			continue
+
+		# A config entry is supposed to be in the format <operator> <fileName>
+		splitParts = currentLine.split(" ", 1)
+		if len(splitParts) != 2:
+			raise RuntimeError("Invalid line in translation config file: %s" % currentLine)
+
+		operator = splitParts[0].lower().strip()
+		translationFileName = splitParts[1].strip()
+
+		if not translationFileName:
+			raise RuntimeError("Empty filename in translation config: %s" % currentLine)
+
+		if not translationFileName.endswith(".ts"):
+			raise RuntimeError("Expected translation file to have a '*.ts' name but got %s" % translationFileName)
+
+		# Replace the trailing .ts with .qm as this is what lrelease will turn it into
+		translationFileName = translationFileName[:-3] + ".qm"
+
+		if operator == "fallback":
+			# fallback files are the default, so no special action has to be taken
+			pass
+		# be programmer friendly and allow "override" as well
+		elif operator == "overwrite" or operator == "override":
+			override_qt.append(translationFileName)
+
+
+def dirToQrc(of, dirName, alreadyProcessedLangs, localTranslationDir = False):
 	processedLangs = []
 	absDirName = os.path.abspath(dirName)
 	fns = os.listdir(dirName)
 	for fn in fns:
+		isOverride = False
+		if fn in override_qt and localTranslationDir:
+			# This translation should be used to overwrite an existing Qt-translation.
+			isOverride = True
+
 		fnRoot, fnExt = os.path.splitext(fn)
 		if fnExt.lower() != '.qm':
 			continue
@@ -31,21 +71,36 @@ def dirToQrc(of, dirName, alreadyProcessedLangs):
 			nextToLastUnderscoreIdx = prefix.rfind('_')
 			prefix = fnRoot[:nextToLastUnderscoreIdx]
 			lang = fnRoot[nextToLastUnderscoreIdx+1:]
-		if lang in alreadyProcessedLangs:
+		if lang in alreadyProcessedLangs and not isOverride:
 			continue
 		if not prefix in allowed_prefixes:
 			continue
 		absFn = os.path.join(absDirName, fn)
 		if platform.system() == 'Windows':
 			absFn = absFn.replace('\\', '/')
-		of.write(' <file alias="{0}">{1}</file>\n'.format(fn, absFn))
-		processedLangs.append(lang)
+		
+		if not isOverride:
+			of.write(' <file alias="{0}">{1}</file>\n'.format(fn, absFn))
+			processedLangs.append(lang)
+		else:
+			# In order to recognize translation-overrides, we have to prefix them
+			of.write(' <file alias="{0}">{1}</file>\n'.format("mumble_overwrite_" + fn, absFn))
+
 	return processedLangs
 
 def main():
-	# python generate-mumble_qt-qrc.py <output-fn> [inputs...]
+	# python generate-mumble_qt-qrc.py <output-fn> [inputs...] localDir
 	output = sys.argv[1]
-	inputs = sys.argv[2:]
+	inputs = sys.argv[2:-1]
+	localDir = sys.argv[-1]
+
+	# parse config file
+	if localDir.endswith("/") or localDir.endswith("\\"):
+		localDir = localDir[:-1]
+
+	configFile = os.path.join(localDir, "translations.conf")
+	if os.path.isfile(configFile):
+		parseTranslationsConfig(configFile)
 
 	of = open(output, 'w')
 	of.write('<!DOCTYPE RCC><RCC version="1.0">\n')
@@ -54,6 +109,8 @@ def main():
 	for dirName in inputs:
 		newlyProcssedLangs = dirToQrc(of, dirName, processedLangs)
 		processedLangs.extend(newlyProcssedLangs)
+	# Process translations provided by Mumble itself (aka local translations)
+	dirToQrc(of, localDir, processedLangs, True)
 	of.write('</qresource>\n')
 	of.write('</RCC>\n')
 	of.close()