Wikimedia Bugzilla is closed!

It doesn't seem to be related to any memory / time limits. The output of the script is just truncated. It works when run under php. (php below is aliased to hhvm)

php extensions/Translate/scripts/createMessageIndex.php --memory-limit=max
[e18f17bf] [no req]   Exception from line 113 of /www/dev.translatewiki.net/w/extensions/Translate/ffs/PythonSingleFFS.php: Failed to decode python file /resources/projects/pywikibot/add_text.py
Backtrace:
#0 /www/dev.translatewiki.net/w/extensions/Translate/ffs/PythonSingleFFS.php(86): PythonSingleFFS->parseFile()
#1 /www/dev.translatewiki.net/w/extensions/Translate/messagegroups/FileBasedMessageGroup.php(52): PythonSingleFFS->read(string)
#2 /www/dev.translatewiki.net/w/extensions/Translate/messagegroups/MessageGroupBase.php(81): FileBasedMessageGroup->load(string)
#3 /www/dev.translatewiki.net/w/extensions/Translate/messagegroups/MessageGroupBase.php(183): MessageGroupBase->getDefinitions()
#4 /www/dev.translatewiki.net/w/extensions/Translate/utils/MessageIndex.php(186): MessageGroupBase->getKeys()
#5 /www/dev.translatewiki.net/w/extensions/Translate/utils/MessageIndex.php(119): MessageIndex->checkAndAdd(array, FileBasedMessageGroup)
#6 /www/dev.translatewiki.net/w/extensions/Translate/scripts/createMessageIndex.php(31): MessageIndex->rebuild()
#7 /www/dev.translatewiki.net/w/maintenance/doMaintenance.php(109): CreateMessageIndex->execute()
#8 /www/dev.translatewiki.net/w/extensions/Translate/scripts/createMessageIndex.php(36): include(string)
#9 {main}

The relevant code:

		$command = wfEscapeShellArg( "import json; execfile(\"$filename\"); " .
			"print json.dumps(msg)" );
		$json = wfShellExec( "python -c $command" );

		$parsed = FormatJson::decode( $json, true );
		if ( !is_array( $parsed ) ) {
			throw new MWException( "Failed to decode python file $filename" );
		}