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Changelog

dera.pq 0.0.1.9000 (2026-05-31)

Bug fixes

  • Interpret raw SEC accepted timestamps as America/New_York rather than UTC.
  • Add a one-time repair script for legacy Parquet files written with the old accepted timestamp timezone assumption.
  • Stop writing duplicate sec_last_modified Parquet metadata; last_modified and last_modified_utc are retained.

dera.pq 0.0.0.9000 (2026-05-29)

Initial version

  • Add helpers to list available SEC DERA Financial Statement Data Sets and Financial Statement and Notes Data Sets.
  • Add update helpers that download SEC source zip files and write component tables as Parquet files under a local DATA_DIR repository.
  • Store SEC source metadata in Parquet schema metadata for update checks and auditability.
  • Add configuration helpers for SEC_USER_AGENT and DATA_DIR.