Top 6 Python dataquality Projects

great_expectations

15 9,440 9.9 Python

Always know what to expect from your data.
data-diff

20 2,830 9.6 Python

Compare tables within or across databases

Project mention: How to Check 2 SQL Tables Are the Same | news.ycombinator.com | 2023-07-26

If the issue happen a lot, there is also: https://github.com/datafold/data-diff
That is a nice tool to do it cross database as well.
I think it's based on checksum method.

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
soda-core

5 1,751 9.0 Python

:zap: Data quality testing for the modern data stack (SQL, Spark, and Pandas) https://www.soda.io
cuallee

5 105 9.1 Python

Possibly the fastest DataFrame-agnostic quality check library in town.

Project mention: Show HN: Snowflake Data Quality Checks in Python | news.ycombinator.com | 2024-02-11

fastapi-greatexpectations

1 12 9.2 Python

Run greatexpectations.io on ANY SQL Engine using REST API. Supported by FastAPI, Pydantic and SQLAlchemy as best data quality tool
data_check

1 4 8.3 Python

data and pipeline testing with and for SQL

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).