def __init__(self, source, title: str = ''):
"""Initializer.
@param source: A Flow-enabled site or a Link or Page on such a site
@type source: Site, pywikibot.page.Link, or pywikibot.page.Page
@param title: normalized title of the page
@raises TypeError: incorrect use of parameters
@raises ValueError: use of non-Flow-enabled Site
"""
super().__init__(source, title)
if not self.site.has_extension('Flow'):
raise UnknownExtension('site is not Flow-enabled')
def __init__(self, source, title=''):
"""Constructor.
@param source: A Flow-enabled site or a Link or Page on such a site
@type source: Site, Link, or Page
@param title: normalized title of the page
@type title: unicode
@raises TypeError: incorrect use of parameters
@raises ValueError: use of non-Flow-enabled Site
"""
super(FlowPage, self).__init__(source, title)
if not self.site.has_extension('Flow'):
raise UnknownExtension('site is not Flow-enabled')
def callee(self, *args, **kwargs):
if not self.has_extension(extension):
raise UnknownExtension(
'Method "{}" is not implemented without the extension {}'.
format(fn.__name__, extension))
return fn(self, *args, **kwargs)