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A NOSQL DB Library for Python

Project description

PyNOSQL Library for Python

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PyNOSQL is a simple library that wraps two popular NOSQL databases DynamoDB|MongoDB and provides the concept of a model for maintaining, expanding, and reducing data structures stored in NOSQL tables. Extend model.Model and pass to various Dynamo operations to benefit from default values, adding/removing elements, and simplifying use of boto3 with DynamoDB.


0.0.1 - Support for basic CRUD operations in DynamoDB 0.0.2 - Support for basic update of model with GET|PUT 0.0.3 - Support for NotFound on single record and empty list for multiple records

Getting Started

  1. Instantiate a client and pass to the desired provider:

    from import AWSCredentials
    from import AWSClient
    from pynosql.providers.dynamo import DynamoDBProvider
    credentials = AWSCredentials(
    dynamo = DynamoDBProvider(
        AWSClient(self.credentials, 'us-west-2')
  2. Extend base.model.Model to create the desired data structure to be stored in your NOSQL DB:

    from pynosql.base.model import Model
    class TestModel(Model):
        BASE = {
            'test1': None,
            'test2': None,
            'test3': None,
            'test4': None
        def __init__(self):
            super(TestModel, self).__init__(self.BASE)
  3. Pass the model with the appropriate call to DynamoDB:

    key = {
        'test1': 'value1',
        'test2': 'value2'
    response = dynamo.get_record(TestModel(), 'TestTable', Key=key)
  4. For paginating all results into the model, just keep passing the model instance into your DynamoDB calls. The new records will be appended to the list within the model.

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