web.py 文件源码

def __init__(self, handlers=None, default_host="", transforms=None,
                 **settings):
        if transforms is None:
            self.transforms = []
            if settings.get("compress_response") or settings.get("gzip"):
                self.transforms.append(GZipContentEncoding)
        else:
            self.transforms = transforms
        self.handlers = []
        self.named_handlers = {}
        self.default_host = default_host
        self.settings = settings
        self.ui_modules = {'linkify': _linkify,
                           'xsrf_form_html': _xsrf_form_html,
                           'Template': TemplateModule,
                           }
        self.ui_methods = {}
        self._load_ui_modules(settings.get("ui_modules", {}))
        self._load_ui_methods(settings.get("ui_methods", {}))
        if self.settings.get("static_path"):
            path = self.settings["static_path"]
            handlers = list(handlers or [])
            static_url_prefix = settings.get("static_url_prefix",
                                             "/static/")
            static_handler_class = settings.get("static_handler_class",
                                                StaticFileHandler)
            static_handler_args = settings.get("static_handler_args", {})
            static_handler_args['path'] = path
            for pattern in [re.escape(static_url_prefix) + r"(.*)",
                            r"/(favicon\.ico)", r"/(robots\.txt)"]:
                handlers.insert(0, (pattern, static_handler_class,
                                    static_handler_args))
        if handlers:
            self.add_handlers(".*$", handlers)

        if self.settings.get('debug'):
            self.settings.setdefault('autoreload', True)
            self.settings.setdefault('compiled_template_cache', False)
            self.settings.setdefault('static_hash_cache', False)
            self.settings.setdefault('serve_traceback', True)

        # Automatically reload modified modules
        if self.settings.get('autoreload'):
            from tornado import autoreload
            autoreload.start()