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What is this?
GX Core (Great Expectations) is a Python framework for testing, validating, and documenting the quality of your data. Its core concept is the 'Expectation' — an expressive unit test for your data, built from the collective experience of thousands of data quality deployments.
GX Core (Great Expectations) is a Python framework for testing, validating, and documenting the quality of your data. Its core concept is the 'Expectation' — an expressive unit test for your data, built from the collective experience of thousands of data quality deployments.Is this a library I import into my Python code, or a standalone app?It is a Python library (installed via pip) that you import into your code to define and run data validation checks — not a standalone application with a GUI.
It is a Python library (installed via pip) that you import into your code to define and run data validation checks — not a standalone application with a GUI.How do I get it running?Inside a Python virtual environment, run the install command for GX Core, then import the greatexpectations module and create a Data Context to start defining Expectations.
Inside a Python virtual environment, run the install command for GX Core, then import the greatexpectations module and create a Data Context to start defining Expectations.Which Python version do I need?GX Core officially supports Python 3.10 through 3.13.
GX Core officially supports Python 3.10 through 3.13.Does GX Core work on the latest Python versions?Python 3.14+ is only experimentally supported — you have to opt in by setting an environment variable before installing.
Python 3.14+ is only experimentally supported — you have to opt in by setting an environment variable before installing.Who is this built for?It's aimed at data teams and data engineers who need a shared, intuitive way to express and enforce data quality rules across their pipelines.
It's aimed at data teams and data engineers who need a shared, intuitive way to express and enforce data quality rules across their pipelines.What is an Expectation in GX Core?An Expectation is an expressive, extensible unit test for your data that gives teams a common language to describe data quality rules in an intuitive way.
An Expectation is an expressive, extensible unit test for your data that gives teams a common language to describe data quality rules in an intuitive way.Does GX Core generate documentation for my data checks?Yes, it can automatically generate documentation for each set of validation results, which helps preserve institutional knowledge about your data over time.
Yes, it can automatically generate documentation for each set of validation results, which helps preserve institutional knowledge about your data over time.What are similar projects?cleanlab, fg-data-profiling, OpenMetadata, kedro, taipy, huashu-excel, fiftyone, prefect
cleanlab, fg-data-profiling, OpenMetadata, kedro, taipy, huashu-excel, fiftyone, prefectWhich topics is it in?data-cleaning, eda, data-validation, data-quality, pipeline, validation, mlops, unit-testing, data-engineering, collaboration, data-science, testing
data-cleaning, eda, data-validation, data-quality, pipeline, validation, mlops, unit-testing, data-engineering, collaboration, data-science, testing