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Project Description

RANDOM.ORG JSON-RPC API (Release 1) implementation.

This is a Python implementation of the RANDOM.ORG JSON-RPC API (R1). It provides either serialized or unserialized access to both the signed and unsigned methods of the API through the RandomOrgClient class. It also provides a convenience class through the RandomOrgClient class, the RandomOrgCache, for precaching requests. In the context of this module, a serialized client is one for which the sequence of requests matches the sequence of responses.

Installation

To install, simply:

$ pip install rdoclient

Requires the requests lib:

$ pip install requests

Usage

The default setup is best for non-time-critical serialized requests, e.g., batch clients:

>>> from rdoclient import RandomOrgClient
>>> r = RandomOrgClient(YOUR_API_KEY_HERE)
>>> r.generate_integers(5, 0, 10)
[6, 2, 8, 9, 2]

…or for more time sensitive serialized applications, e.g., real-time draws, use:

>>> r = RandomOrgClient(YOUR_API_KEY_HERE, blocking_timeout=2.0, http_timeout=10.0)
>>> r.generate_signed_integers(5, 0, 10)
{'random': {u'min': 0, u'max': 10, u'completionTime': u'2014-05-19 14:26:14Z', u'serialNumber': 1482, u'n': 5, u'base': 10, u'hashedApiKey': u'HASHED_KEY_HERE', u'data': [10, 9, 0, 1, 5], u'method': u'generateSignedIntegers', u'replacement': True}, 'data': [10, 9, 0, 1, 5], 'signature': u'SIGNATURE_HERE'}

If obtaining some kind of response instantly is important, a cache should be used. A cache will populate itself as quickly and efficiently as possible allowing pre-obtained randomness to be supplied instantly. If randomness is not available - e.g., the cache is empty - the cache will return an Empty exception allowing the lack of randomness to be handled without delay:

>>> r = RandomOrgClient(YOUR_API_KEY_HERE, blocking_timeout=60.0*60.0, http_timeout=30.0)
>>> c = r.create_integer_cache(5, 0, 10)
>>> try:
...     c.get()
... except Queue.Empty:
...     # handle lack of true random number here
...     # possibly use a pseudo random number generator
...
[1, 4, 6, 9, 10]

Note that caches don’t support signed responses as it is assumed that clients using the signing features want full control over the serial numbering of responses.

Finally, it is possible to request live results as-soon-as-possible and without serialization, however this may be more prone to timeout failures as the client must obey the server’s advisory delay times if the server is overloaded:

>>> r = RandomOrgClient(YOUR_API_KEY_HERE, blocking_timeout=0.0, http_timeout=10.0, serialized=False)
>>> r.generate_integers(5, 0, 10)
[3, 5, 2, 4, 8]

Documentation

For a full list of available randomness generation functions and other features see rdoclient.py documentation and https://api.random.org/json-rpc/1/

Tests

Note that to run the accompanying tests the API_KEY fields must be given authentic values.

Release History

Release History

1.0.2

This version

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1.0.1

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1.0.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
rdoclient-1.0.2.macosx-10.9-x86_64-py2.7.exe (79.3 kB) Copy SHA256 Checksum SHA256 2.7 Windows Installer Jun 14, 2014
rdoclient-1.0.2-py2.7.egg (26.8 kB) Copy SHA256 Checksum SHA256 2.7 Egg Jun 14, 2014
rdoclient-1.0.2.tar.gz (14.0 kB) Copy SHA256 Checksum SHA256 Source Jun 14, 2014

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