Python tornado.template() Examples

def render_string(self, template_name: str, **kwargs: Any) -> bytes:
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            assert frame.f_code.co_filename is not None
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def get_template_namespace(self):
        """返回一个字典被用做默认的模板命名空间.

        可以被子类复写来添加或修改值.

        这个方法的结果将与 `tornado.template` 模块中其他的默认值
        还有 `render` 或 `render_string` 的关键字参数相结合.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url
        )
        namespace.update(self.ui)
        return namespace 

def create_template_loader(self, template_path: str) -> template.BaseLoader:
        """Returns a new template loader for the given path.

        May be overridden by subclasses.  By default returns a
        directory-based loader on the given path, using the
        ``autoescape`` and ``template_whitespace`` application
        settings.  If a ``template_loader`` application setting is
        supplied, uses that instead.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def get_template_namespace(self) -> Dict[str, Any]:
        """Returns a dictionary to be used as the default template namespace.

        May be overridden by subclasses to add or modify values.

        The results of this method will be combined with additional
        defaults in the `tornado.template` module and keyword arguments
        to `render` or `render_string`.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url,
        )
        namespace.update(self.ui)
        return namespace 

def create_template_loader(self, template_path):
        """返回给定路径的新模板装载器.

        可以被子类复写. 默认返回一个在给定路径上基于目录的装载器,
        使用应用程序的 ``autoescape`` 和 ``template_whitespace``
        设置. 如果应用设置中提供了一个 ``template_loader`` ,
        则使用它来替代.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def get(self, fignum):
            with open(os.path.join(WebAggApplication._mpl_dirs['web_backend'],
                                   'single_figure.html')) as fd:
                tpl = fd.read()

            fignum = int(fignum)
            manager = Gcf.get_fig_manager(fignum)

            ws_uri = 'ws://{req.host}{prefix}/'.format(req=self.request,
                                                       prefix=self.url_prefix)
            t = tornado.template.Template(tpl)
            self.write(t.generate(
                prefix=self.url_prefix,
                ws_uri=ws_uri,
                fig_id=fignum,
                toolitems=NavigationToolbar2WebAgg.toolitems,
                canvas=manager.canvas)) 

def get_template_namespace(self):
        """返回一个字典被用做默认的模板命名空间.

        可以被子类复写来添加或修改值.

        这个方法的结果将与 `tornado.template` 模块中其他的默认值
        还有 `render` 或 `render_string` 的关键字参数相结合.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url
        )
        namespace.update(self.ui)
        return namespace 

def render_string(self, template_name: str, **kwargs: Any) -> bytes:
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            assert frame.f_code.co_filename is not None
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def render_string(self, template_name, **kwargs):
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def get_template_namespace(self):
        """Returns a dictionary to be used as the default template namespace.

        May be overridden by subclasses to add or modify values.

        The results of this method will be combined with additional
        defaults in the `tornado.template` module and keyword arguments
        to `render` or `render_string`.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url
        )
        namespace.update(self.ui)
        return namespace 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def get(self, fignum):
            with open(os.path.join(WebAggApplication._mpl_dirs['web_backend'],
                                   'single_figure.html')) as fd:
                tpl = fd.read()

            fignum = int(fignum)
            manager = Gcf.get_fig_manager(fignum)

            ws_uri = 'ws://{req.host}{prefix}/'.format(req=self.request,
                                                       prefix=self.url_prefix)
            t = tornado.template.Template(tpl)
            self.write(t.generate(
                prefix=self.url_prefix,
                ws_uri=ws_uri,
                fig_id=fignum,
                toolitems=NavigationToolbar2WebAgg.toolitems,
                canvas=manager.canvas)) 

def render_string(self, template_name, **kwargs):
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def __init__(self, application, request, **kwargs):
        super(RequestHandler, self).__init__()

        self.application = application
        self.request = request
        self._headers_written = False
        self._finished = False
        self._auto_finish = True
        self._transforms = None  # will be set in _execute
        self._prepared_future = None
        self.path_args = None
        self.path_kwargs = None
        self.ui = ObjectDict((n, self._ui_method(m)) for n, m in
                             application.ui_methods.items())
        # UIModules are available as both `modules` and `_tt_modules` in the
        # template namespace.  Historically only `modules` was available
        # but could be clobbered by user additions to the namespace.
        # The template {% module %} directive looks in `_tt_modules` to avoid
        # possible conflicts.
        self.ui["_tt_modules"] = _UIModuleNamespace(self,
                                                    application.ui_modules)
        self.ui["modules"] = self.ui["_tt_modules"]
        self.clear()
        self.request.connection.set_close_callback(self.on_connection_close)
        self.initialize(**kwargs) 

def create_template_loader(self, template_path):
        """Returns a new template loader for the given path.

        May be overridden by subclasses.  By default returns a
        directory-based loader on the given path, using the
        ``autoescape`` and ``template_whitespace`` application
        settings.  If a ``template_loader`` application setting is
        supplied, uses that instead.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def get_template_namespace(self):
        """Returns a dictionary to be used as the default template namespace.

        May be overridden by subclasses to add or modify values.

        The results of this method will be combined with additional
        defaults in the `tornado.template` module and keyword arguments
        to `render` or `render_string`.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url
        )
        namespace.update(self.ui)
        return namespace 

def create_template_loader(self, template_path: str) -> template.BaseLoader:
        """Returns a new template loader for the given path.

        May be overridden by subclasses.  By default returns a
        directory-based loader on the given path, using the
        ``autoescape`` and ``template_whitespace`` application
        settings.  If a ``template_loader`` application setting is
        supplied, uses that instead.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def xsrf_form_html(self) -> str:
        """An HTML ``<input/>`` element to be included with all POST forms.

        It defines the ``_xsrf`` input value, which we check on all POST
        requests to prevent cross-site request forgery. If you have set
        the ``xsrf_cookies`` application setting, you must include this
        HTML within all of your HTML forms.

        In a template, this method should be called with ``{% module
        xsrf_form_html() %}``

        See `check_xsrf_cookie()` above for more information.
        """
        return (
            '<input type="hidden" name="_xsrf" value="'
            + escape.xhtml_escape(self.xsrf_token)
            + '"/>'
        ) 

def render_string(self, template_name: str, **kwargs: Any) -> bytes:
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            assert frame.f_code.co_filename is not None
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def get_template_namespace(self) -> Dict[str, Any]:
        """Returns a dictionary to be used as the default template namespace.

        May be overridden by subclasses to add or modify values.

        The results of this method will be combined with additional
        defaults in the `tornado.template` module and keyword arguments
        to `render` or `render_string`.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url,
        )
        namespace.update(self.ui)
        return namespace 

def create_template_loader(self, template_path: str) -> template.BaseLoader:
        """Returns a new template loader for the given path.

        May be overridden by subclasses.  By default returns a
        directory-based loader on the given path, using the
        ``autoescape`` and ``template_whitespace`` application
        settings.  If a ``template_loader`` application setting is
        supplied, uses that instead.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    with open(os.path.join(
            core.FigureManagerWebAgg.get_static_file_path(),
            'ipython_inline_figure.html')) as fd:
        tpl = fd.read()

    fignum = figure.number

    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def ipython_inline_display(figure):
    import tornado.template

    WebAggApplication.initialize()
    if not webagg_server_thread.is_alive():
        webagg_server_thread.start()

    fignum = figure.number
    tpl = Path(core.FigureManagerWebAgg.get_static_file_path(),
               "ipython_inline_figure.html").read_text()
    t = tornado.template.Template(tpl)
    return t.generate(
        prefix=WebAggApplication.url_prefix,
        fig_id=fignum,
        toolitems=core.NavigationToolbar2WebAgg.toolitems,
        canvas=figure.canvas,
        port=WebAggApplication.port).decode('utf-8') 

def render_string(self, template_name, **kwargs):
        """Generate the given template with the given arguments.

        We return the generated byte string (in utf8). To generate and
        write a template as a response, use render() above.
        """
        # If no template_path is specified, use the path of the calling file
        template_path = self.get_template_path()
        if not template_path:
            frame = sys._getframe(0)
            web_file = frame.f_code.co_filename
            while frame.f_code.co_filename == web_file:
                frame = frame.f_back
            template_path = os.path.dirname(frame.f_code.co_filename)
        with RequestHandler._template_loader_lock:
            if template_path not in RequestHandler._template_loaders:
                loader = self.create_template_loader(template_path)
                RequestHandler._template_loaders[template_path] = loader
            else:
                loader = RequestHandler._template_loaders[template_path]
        t = loader.load(template_name)
        namespace = self.get_template_namespace()
        namespace.update(kwargs)
        return t.generate(**namespace) 

def get_template_namespace(self):
        """Returns a dictionary to be used as the default template namespace.

        May be overridden by subclasses to add or modify values.

        The results of this method will be combined with additional
        defaults in the `tornado.template` module and keyword arguments
        to `render` or `render_string`.
        """
        namespace = dict(
            handler=self,
            request=self.request,
            current_user=self.current_user,
            locale=self.locale,
            _=self.locale.translate,
            pgettext=self.locale.pgettext,
            static_url=self.static_url,
            xsrf_form_html=self.xsrf_form_html,
            reverse_url=self.reverse_url
        )
        namespace.update(self.ui)
        return namespace 

def create_template_loader(self, template_path):
        """Returns a new template loader for the given path.

        May be overridden by subclasses.  By default returns a
        directory-based loader on the given path, using the
        ``autoescape`` and ``template_whitespace`` application
        settings.  If a ``template_loader`` application setting is
        supplied, uses that instead.
        """
        settings = self.application.settings
        if "template_loader" in settings:
            return settings["template_loader"]
        kwargs = {}
        if "autoescape" in settings:
            # autoescape=None means "no escaping", so we have to be sure
            # to only pass this kwarg if the user asked for it.
            kwargs["autoescape"] = settings["autoescape"]
        if "template_whitespace" in settings:
            kwargs["whitespace"] = settings["template_whitespace"]
        return template.Loader(template_path, **kwargs) 

def reflect(engine):

    template = request.values.get('tpl')
    if not template:
        template = '%s'

    injection = request.values.get('inj')

    if engine == 'mako':
        return randomword() + MakoTemplates(template % injection, lookup=mylookup).render() + randomword()
    elif engine == 'jinja2':
        return randomword() + Jinja2Env.from_string(template % injection).render() + randomword()
    elif engine == 'eval':
        return randomword() + str(eval(template % injection)) + randomword()
    elif engine == 'tornado':
        return randomword() + tornado.template.Template(template % injection).generate().decode() + randomword() 

def blind(engine):

    template = request.values.get('tpl')
    if not template:
        template = '%s'

    injection = request.values.get('inj')

    if engine == 'mako':
        MakoTemplates(template % injection, lookup=mylookup).render()
    elif engine == 'jinja2':
        Jinja2Env.from_string(template % injection).render()
    elif engine == 'eval':
        eval(template % injection)
    elif engine == 'tornado':
        tornado.template.Template(template % injection).generate()
        
    return randomword() 

def reflect_cookieauth(engine):

    if not request.cookies.get('SID') == 'SECRET':
        return randomword()

    template = request.values.get('tpl')
    if not template:
        template = '%s'

    injection = request.values.get('inj')

    if engine == 'mako':
        return randomword() + MakoTemplates(template % injection, lookup=mylookup).render() + randomword()
    elif engine == 'jinja2':
        return randomword() + Jinja2Env.from_string(template % injection).render() + randomword()
    elif engine == 'eval':
        return randomword() + str(eval(template % injection)) + randomword()
    elif engine == 'tornado':
        return randomword() + tornado.template.Template(template % injection).generate() + randomword()