py2k 1.9.1

High level Python API for writing to Kafka

Welcome to Py2k

A high level Python to Kafka API with Schema Registry compatibility and automatic avro schema creation.

• Free software: Apache2 license

Installation

Py2K is currently available on PIP:

pip install py2k

Documentation

You can view additional documentation on our website.

Contributing

Please see the Contribution Guide for more information.

Usage

Minimal Example

from py2k.record import PandasToRecordsTransformer
from py2k.writer import KafkaWriter

# assuming we have a pandas DataFrame, df
records = PandasToRecordsTransformer(df=df, record_name='test_model').from_pandas()

writer = KafkaWriter(
    topic="topic_name",
    schema_registry_config=schema_registry_config,
    producer_config=producer_config
)

writer.write(records)

For additional examples please see the examples folder

Features

• Schema Registry Integration
• Automatic Avro Serialization from pandas DataFrames
• Automatic Avro Schema generation from pandas DataFrames and Pydantic objects

License

Copyright 2021 ABSA Group Limited

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Release Notes

Latest Changes

v1.9.1 (2021-10-04)

Bug

• 🐛 Kafka Schema was not extracted from entire Dataframe. #76 - @vesely-david

v1.9.0 (2021-05-15)

Enhancement

• ✨ Support for dynamic creation to return an iterator. #67 - @vesely-david

  • User can choose whether to return list (from_pandas) or iterator (iter_from_pandas)
  • KafkaWriter was adjusted accordingly to accept any iterable in it's write method

v1.8.2 (2021-04-06)

Bugs

• Resolved boolean schema not being converted to the correct avro schema values PR #48 - @vesely-david

v1.8.1 (2021-03-31)

Docs

• Added examples and solved mkdocs gitub.io page build - @DanWertheimer. PR #45

v1.8.0 (2021-03-29)

Fixes

• Adhering to Kafka and Avro parlance by renaming:
  • models module -> record
  • KafkaModel -> KafkaRecord
  • DynamicPandasModel -> PandasToRecordsTransformer
  • item -> record
• Move schema knowledge to KafkaRecord
• Introduce __key_fields__ in KafkaRecord to enable specifying which fields are part of the key
• Introduce __include_key__ in KafkaRecord to enable specifying whether key_fields should be part of the value message

Big thank you to @vesely-david for this change

v1.7.0 (2021-03-11)

• Minor API change for easier dynamic creation of KafkaModels from a pandas DataFrame

v1.6.0 (2021-03-01)

• First commit on Github.