[statsd] add a statsd_timethis context manager
This context manager allows to report to statsd the execution time of any
piece of code, without the need for it to be a function or a method, like::
def some_function():
do_stuff()
with statsd_timethis('some context message'):
do_that()
ensure_this()
.. _appobject_module:
:mod:`cubicweb.appobject`
=========================
.. automodule:: cubicweb.appobject
.. autoclass:: AppObject
:show-inheritance:
:members: