34 class BaseContentRenderer(ContextRequestAdapter):

    34 class BaseContentRenderer(ContextRequestAdapter):

    35     """Base content renderer"""

    35     """Base content renderer"""

    36 

    36 

    37     label = None

    37     label = None

    38     weight = 0

    38     weight = 0

    39     settings_interface = None

    40     settings_interface = None

    40 

    42 

    41     language = None

    43     language = None

    42     context_attrs = ()

    44     context_attrs = ()

    43     i18n_context_attrs = ()

    45     i18n_context_attrs = ()

    44 

    46 

    47         if self.settings_interface is None:

    49         if self.settings_interface is None:

    48             return None

    50             return None

    49         return IRendererSettings(self.context)

    51         return IRendererSettings(self.context)

    50 

    52 

    51     def update(self):

    53     def update(self):

    52         for attr in self.context_attrs:

    56         for attr in self.context_attrs:

    53             setattr(self, attr, getattr(self.context, attr, None))

    57             setattr(self, attr, getattr(self.context, attr, None))

    54         if self.i18n_context_attrs:

    58         if self.i18n_context_attrs:

    55             i18n = II18n(self.context, None)

    59             i18n = II18n(self.context, None)

    56             if i18n is not None:

    60             if i18n is not None: