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Project description

Put your code to sleep.

Overview

The narcolepsy package contains code which alters the behavior of your application/api by injecting random sleep calls into decorated functions.

Usage

The following code is an example of using the @narcoleptic decorator.

from narcolepsy import narcoleptic

@narcoleptic(max=5)  # sleep for 5 seconds at max
def foobar():
    for x in xrange(1024):
        nested_function(x)

The @narcoleptic decorator takes three parameters (all optional):

  • min: The minimum sleep time in seconds.

  • max: The maximum sleep time in seconds.

  • chance: The maximum number of lines that will be executed before a sleep() call is injected.

If no min or max are passed in, the constants defined in narcolepsy.constants will be used instead. If no chance is passed in, a value will be derived from the number of lines in the input function.

Installation

The easiest way to install narcolepsy is via pip:

$ pip install narcolepsy

Why?

Playing around with line tracers. In theory this could help test time-critical code (multi-producer/consumer concurrent applications).

LICENSE

See the LICENSE file for details.

Project details


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