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A set of generic utility classes and helper functions for Python development.

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A set of generic utility classes and helper functions for Python development.

generic_utils is a set of generic Python utilities which currently target Python 2.7.X environments with no other required dependencies. The code targets both general production code as well as test utilities to facilitate easier test generation, management and complexity.

This library is not currently intended to be generally useful to the community at large as there is work to be done to provide greater Python support as well as general documentation and upkeep, but has been used successfully in production environments within the prescribed environments.


pip install generic_utils


Install requirements into a local virtualenv:

virtualenv env
env/bin/pip install -e ".[html,cassandra,celery_test,test_utils]"

This project requires available cassandra and redis hosts in order to run the full test-suite.

Redis Setup:

docker run -d --name test-redis -p 6379:6379 -v /path/to/storage/redis:/data redis

Connect to the container:

$ docker exec -i -t test-redis /bin/bash
$ root@7a3377df67f0:/data# redis-cli> SET __THIS_IS_A_TEST_INSTANCE__ True
OK> exit

Cassandra Setup:

$ docker run --name test-cassandra -d -p 9042:9042 -p 7000:7000 -v /path/to/storage/cassandra:/var/lib/cassandra cassandra:3.0

Connect to the container:

$ docker exec -i -t test-cassandra /bin/bash

Open cqlsh and create the python_utils_test keyspace:

$ cqlsh
> CREATE KEYSPACE python_utils_test WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1} AND DURABLE_WRITES = true;

Configure Cassandra cluster in tests/ (not in version-control). Replace the values with appropriate values for your environment:

        ConfigKey.CONTACT_POINTS: get_config_value("TEST_CASSANDRA_CONTACT_POINTS", default=["localhost"]),
        ConfigKey.KEYSPACE: get_config_value("TEST_CASSANDRA_KEYSPACE", "python_utils_test"),
        ConfigKey.PORT: get_config_value("TEST_CASSANDRA_PORT", default=9042),
        ConfigKey.USERNAME: get_config_value("TEST_CASSANDRA_USERNAME", default=""),
        ConfigKey.PASSWORD: get_config_value("TEST_CASSANDRA_PASSWORD", default=""),

Run the test suite:

nosetests tests

Or, using tox:


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