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Async random number generator.

Project description

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Asyncrandom

Utility for fetching one or more random numbers from the ANU Quantum Random Numbers Server by calling the endpoint at https://qrng.anu.edu.au/API/jsonI.php. Requests are executed asynchronously using the tornado networking framework.

More information about how the numbers are generated can be found on https://qrng.anu.edu.au/.

Requires tornado and its IOLoop to run.

Installation

Download the source and run the setup file:

python setup.py install

Usage

A simple example of generating a single random uint8:

def handle_random_int(f):
    print(f.result())

f = asyncrandom.fetch()
f.add_done_callback(handle_random_int)

tornado.ioloop.IOLoop.current()

Multiple numbers can be generated as well. In this example we generate 10:

def handle_random_int(f):
    print(f.result())

f = asyncrandom.fetch(10)
f.add_done_callback(handle_random_int)

tornado.ioloop.IOLoop.current().start()

By default, 8-bit unsigned integers are generated. Optionally, this can be changed to 16-bit. Example of generating 10 16-bit integers:

def handle_random_int(f):
    print(f.result())

f = asyncrandom.fetch(10, asyncrandom.IntegerType.UINT16)
f.add_done_callback(handle_random_int)

tornado.ioloop.IOLoop.current()

If called from the command, issues a synchronous call to the service. Optionally, --length and --type can be specified as arguments, with default values of 1 and "uint-8" respectively.

Command line example:

$ asyncrandom --int-type=uint8 --length=1
105

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