def init_worker()

in gui/mozregui/build_runner.py [0:0]

• 34 lines of code
• 15 McCabe index (conditional complexity)

    def init_worker(self, fetch_config, options):
        """
        Create and initialize the worker.

        Should be subclassed to configure the worker, and should return the
        worker method that should start the work.
        """
        self.options = options

        # global preferences
        global_prefs = get_prefs()
        self.global_prefs = global_prefs
        # apply the global prefs now
        apply_prefs(global_prefs)

        fetch_config.set_base_url(global_prefs["archive_base_url"])

        download_dir = global_prefs["persist"]
        if not download_dir:
            download_dir = self.mainwindow.persist
        persist_limit = PersistLimit(abs(global_prefs["persist_size_limit"]) * 1073741824)
        self.download_manager = GuiBuildDownloadManager(download_dir, persist_limit)
        self.test_runner = GuiTestRunner()
        self.thread = QThread()

        # options for the app launcher
        launcher_kwargs = {}
        for name in ("profile", "preferences"):
            if name in options:
                value = options[name]
                if value:
                    launcher_kwargs[name] = value

        # add add-ons paths to the app launcher
        launcher_kwargs["addons"] = options["addons"]
        self.test_runner.launcher_kwargs = launcher_kwargs

        launcher_kwargs["cmdargs"] = []

        if options["profile_persistence"] in ("clone-first", "reuse") or options["profile"]:
            launcher_kwargs["cmdargs"] += ["--allow-downgrade"]

        # Thunderbird will fail to start if passed an URL arg
        if options.get("url") and fetch_config.app_name != "thunderbird":
            launcher_kwargs["cmdargs"] += [options["url"]]

        # Lang only works for firefox-l10n and thunderbird-l10n.
        if options.get("lang"):
            if options["application"] in ("firefox-l10n", "thunderbird-l10n"):
                fetch_config.set_lang(options["lang"])
            else:
                raise MozRegressionError("Invalid lang argument")

        self.worker = self.worker_class(fetch_config, self.test_runner, self.download_manager)
        # Move self.bisector in the thread. This will
        # allow to the self.bisector slots (connected after the move)
        # to be automatically called in the thread.
        self.worker.moveToThread(self.thread)
        self.worker_created.emit(self.worker)