def __call__(self, _method, *args, **kwargs):
"""Dispatches the requested method.
:param _method:
The method to be dispatched: the request method in lower case
(e.g., 'get', 'post', 'head', 'put' etc).
:param args:
Positional arguments to be passed to the method, coming from the
matched :class:`Route`.
:param kwargs:
Keyword arguments to be passed to the method, coming from the
matched :class:`Route`.
:returns:
None.
"""
method = getattr(self, _method, None)
if method is None:
# 405 Method Not Allowed.
# The response MUST include an Allow header containing a
# list of valid methods for the requested resource.
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6
valid = ', '.join(webapp2.get_valid_methods(self))
self.abort(405, headers=[('Allow', valid)])
# Give authentication Hooks opportunity to do their thing
self.authchecker(method, *args, **kwargs)
# Execute the method.
method(*args, **kwargs)
def __call__(self, _method, *args, **kwargs):
"""Dispatches the requested method. """
# Lazily import hujson to allow using the other classes in this module to be used without
# huTools beinin installed.
import huTools.hujson
# Find Method to be called.
method = getattr(self, _method, None)
if method is None:
# No Mehtod is found.
# Answer will be `405 Method Not Allowed`.
# The response MUST include an Allow header containing a
# list of valid methods for the requested resource.
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6
# so get a lsit of valid Methods and send them back.
valid = ', '.join(webapp2.get_valid_methods(self))
# `self.abort()` will raise an Exception thus exiting this function
self.abort(405, headers=[('Allow', valid)])
# Give authentication Hooks opportunity to do their thing
self.authchecker(method, *args, **kwargs)
# Execute the method.
reply = method(*args, **kwargs)
# find out which return convention was used - first set defaults ...
content = reply
statuscode = 200
cachingtime = self.default_cachingtime
# ... then check if we got a 2-tuple reply ...
if isinstance(reply, tuple) and len(reply) == 2:
content, statuscode = reply
# ... or a 3-tuple reply.
if isinstance(reply, tuple) and len(reply) == 3:
content, statuscode, cachingtime = reply
# Finally begin sending the response
response = huTools.hujson.dumps(content)
if cachingtime:
self.response.headers['Cache-Control'] = 'max-age=%d, public' % cachingtime
# If we have gotten a `callback` parameter, we expect that this is a
# [JSONP](http://en.wikipedia.org/wiki/JSONP#JSONP) cann and therefore add the padding
if self.request.get('callback', None):
response = "%s (%s)" % (self.request.get('callback', None), response)
self.response.headers['Content-Type'] = 'text/javascript'
else:
self.response.headers['Content-Type'] = 'application/json'
# Set status code and write JSON to output stream
self.response.set_status(statuscode)
self.response.out.write(response)
self.response.out.write('\n')
