def wrapper()

in clay/stats.py [0:0]

• 22 lines of code
• 2 McCabe index (conditional complexity)

def wrapper(prefix):
    '''
    Decorator that logs timing, call count, and exception count statistics to
    statsd. Given a prefix of "example", the following keys would be created:

    stats.counts.example.calls
    stats.counts.example.exceptions
    stats.timers.example.duration

    :param: prefix
    :type key: Prefix for stats keys to be created under
    '''

    def clay_stats_wrapper(func):
        @functools.wraps(func)
        def wrap(*args, **kwargs):
            count('%s.calls' % prefix, 1)
            try:
                with Timer('%s.duration' % prefix):
                    return func(*args, **kwargs)
            except Exception:
                count('%s.exceptions' % prefix, 1)
                raise
        return wrap
    return clay_stats_wrapper