'''

The base class for all request handlers.

'''

def dispatch(self):

self.session_store = sessions.get_store(factory=sessions.SessionStore, key='webapp2_extras.sessions.SessionStore', request=self.request)

self.session_flash = sessions.get_store(factory=sessions.SessionDict, key='webapp2_extras.sessions.SessionDict', request=self.request)

try:

RequestHandler.dispatch(self)

finally:

self.session_store.save_sessions(self.response)

def get_context(self):

context = {}

user = users.get_current_user()

if user:

context['auth_url'] = users.create_logout_url('/')

context['nickname'] = user.nickname()

context['auth_txt'] = 'Logout'

else:

context['auth_url'] = users.create_login_url('/')

context['auth_txt'] = 'Login'

context['user'] = user

today = datetime.datetime.now()

context['this_month'] = today.month

context['this_year'] = today.year

context['this_day'] = today.day

return context

@cached_property

def jinja(self):

return jinja2.get_jinja2(factory=self._jinja_factory)

@cached_property

def session(self):

return self.session_store.get_session()

@cached_property

def flash(self):

return self.session_flash

def render_string(self, template, **params):

context = self.get_context()

context.update(params)

return self.jinja.render_template(template, **context)

def render_html(self, template, **params):

context = self.get_context()

context.update(params)

tpl = self.jinja.render_template(template, **context)

self.response.write(tpl)

def render_json(self, data):

self.response.headers['Content-Type'] = 'application/json'

self.response.out.write(json.dumps(data))

def _jinja_factory(self, app):

j = jinja2.Jinja2(app)

j.environment.globals.update({

'uri_for': webapp2.uri_for

})

return j