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Development Guide

Development Environment Set Up

  • pip install virtualenv
  • virtualenv venv to create virtual environment for Python 3
  • source ./venv/bin/activate activate virtual env.
  • cd into project root folder.
  • pip install --editable . will install all dependencies from setup.py.

Run CLI

  • Start an OpenSearch instance from either local, Docker with OpenSearch SQL plugin, or AWS Elasticsearch
  • To launch the cli, use 'wake' word opensearchsql followed by endpoint of your running OpenSearch instance. If not specifying any endpoint, it uses http://localhost:9200 by default. If not provided with port number, http endpoint uses 9200 and https uses 443 by default.

Testing

  • Prerequisites
  • Pytest
    • pip install -r requirements-dev.txt Install test frameworks including Pytest and mock.
    • cd into tests and run pytest
  • Refer to test_plan for manual test guidance.

Style

  • Use black to format code, with option of --line-length 120

Release guide

  • Package Manager: pip
  • Repository of software for Python: PyPI

Workflow

  1. Update version number
    1. Modify the version number in __init__.py under src package. It will be used by setup.py for release.
  2. Create/Update setup.py (if needed)
    1. For more details refer to https://packaging.python.org/tutorials/packaging-projects/#creating-setup-py
  3. Update README.md, Legal and copyright files(if needed)
    1. Update README.md when there is a critical feature added.
    2. Update THIRD-PARTY files if there is a new dependency added.
  4. Generate distribution archives
    1. Make sure you have the latest versions of setuptools and wheel installed: python3 -m pip install --user --upgrade setuptools wheel
    2. Run this command from the same directory where setup.py is located: python3 setup.py sdist bdist_wheel
    3. Check artifacts under sql-cli/dist/, there should be a .tar.gz file and a .whi file with correct version. Remove other deprecated artifacts.
  5. Upload the distribution archives to TestPyPI
    1. Register an account on testPyPI
    2. python3 -m pip install --user --upgrade twine
    3. python3 -m twine upload --repository-url https://test.pypi.org/legacy/ dist/*
  6. Install your package from TestPyPI and do manual test
    1. pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple opensearchsql
  7. Upload to PyPI
    1. Register an account on PyPI, note that these are two separate servers and the credentials from the test server are not shared with the main server.
    2. Use twine upload dist/* to upload your package and enter your credentials for the account you registered on PyPI.You don’t need to specify --repository; the package will upload to https://pypi.org/ by default.
  8. Install your package from PyPI using pip install [your-package-name]

Reference