Issue 104 - added checktranslations function

build.py

Index: build.py
diff --git a/build.py b/build.py
index aa3c2035eea5688fcbbd9468ccafa250757f161c..4e42f3bd9f561d74c66a6204f5b8c99487134143 100644
--- a/build.py
+++ b/build.py
@@ -382,6 +382,16 @@ def updatePSL(baseDir, scriptName, opts, args, type):
     publicSuffixListUpdater.updatePSL(baseDir)
 
 
+def check_translations(baseDir, scriptName, opts, args, type):
+    from buildtools.packager import readMetadata
+    metadata = readMetadata(baseDir, type)
+
+    localeConfig = readLocaleConfig(baseDir, type, metadata)
+
+    import buildtools.localeTools as localetools
+    localetools.check_translations(localeConfig)
+
+
 with addCommand(lambda baseDir, scriptName, opts, args, type: usage(scriptName, type), ('help', '-h', '--help')) as command:
     command.shortDescription = 'Show this message'
 
@@ -440,6 +450,10 @@ with addCommand(updatePSL, 'updatepsl') as command:
     command.description = 'Downloads Public Suffix List (see http://publicsuffix.org/) and generates lib/publicSuffixList.js from it.'
     command.supportedTypes = {'chrome'}
 
+with addCommand(check_translations, 'checktranslations') as command:
+    command.shortDescription = 'Perform translation checks.'
+    command.description = 'Checks translations files for structure and for overlong translations.'
+
 
 def getType(baseDir, scriptName, args):
     # Look for an explicit type parameter (has to be the first parameter)