Add BaseDataFrameTransformer

[durandtibo]

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details
pip/polars	>= 0.20.0,< 1.0	🟢 5.3	Details Check Score Reason Code-Review 🟢 7 found 7 unreviewed changesets out of 28 -- score normalized to 7 Maintained 🟢 10 30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected License 🟢 10 license file detected Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: githubv4.Query: Resource not accessible by integration Signed-Releases ⚠️ 0 Project has not signed or included provenance with any releases. Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Binary-Artifacts 🟢 10 no binaries found in the repo Fuzzing ⚠️ 0 project is not fuzzed Security-Policy ⚠️ 0 security policy file not detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0 Packaging 🟢 10 packaging workflow detected Vulnerabilities 🟢 10 0 existing vulnerabilities detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0
pip/polars	>= 0.18.3,< 1.0	🟢 5.3	Details Check Score Reason Code-Review 🟢 7 found 7 unreviewed changesets out of 28 -- score normalized to 7 Maintained 🟢 10 30 commit(s) and 9 issue activity found in the last 90 days -- score normalized to 10 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected License 🟢 10 license file detected Branch-Protection ⚠️ -1 internal error: error during branchesHandler.setup: internal error: githubv4.Query: Resource not accessible by integration Signed-Releases ⚠️ 0 Project has not signed or included provenance with any releases. Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Binary-Artifacts 🟢 10 no binaries found in the repo Fuzzing ⚠️ 0 project is not fuzzed Security-Policy ⚠️ 0 security policy file not detected SAST ⚠️ 0 SAST tool is not run on all commits -- score normalized to 0 Packaging 🟢 10 packaging workflow detected Vulnerabilities 🟢 10 0 existing vulnerabilities detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0

Scanned Manifest Files

pyproject.toml

• polars@>= 0.20.0,< 1.0
• polars@>= 0.18.3,< 1.0