era_py

Helpers for the Python port of Empirical Research in Accounting: Tools and Methods.

Install

pip install era-py
pip install "era-py[polars]"
pip install "era-py[tables]"

For repository development, prefer the checked-in virtual environment:

.venv/bin/python -m pytest

era-py provides two import paths:

import era_py is the base API built around pandas/Ibis-style workflows.
import era_pl is the Polars API and requires pip install "era-py[polars]".

Usage

from era_py import load_data, ols_dropcollinear

camp = load_data("camp_attendance")

Testing Optional Dependencies

For quick checks of optional extras without changing your local environment, use uv run --with ...:

PYTHONPATH=src uv run --with polars python -c "import era_pl; print(era_pl.__version__)"

This is useful for verifying the era_pl import path and other Polars-specific behavior without permanently installing polars into your project environment.

Metadata

Release files for era-py 0.0.33

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for era-py 0.0.33
File	Size	Uploaded
era_py-0.0.33.tar.gz	2.9 MB	Oct 7, 2026	Details

Built distribution (wheel)

Table of built distributions (wheels) for era-py 0.0.33
File	Interpreter	ABI	Platform	Reset
era_py-0.0.33-py3-none-any.whl 3.0 MB Oct 7, 2026	Python 3	none	any	Details

Total release size: 5.9 MB

Release files / era_py-0.0.33.tar.gz

Download URL	era_py-0.0.33.tar.gz
Size	2.9 MB
Tags	Source
SHA-256 checksum How to use checksums	`e800a11bb0345c89bbde717d35e144c07fb719f09215d182281f1522cd3216a9`
BLAKE2b-256 checksum How to use checksums	`df4acdcec08d899e6ffa444956e9aa8211ee763bc143aba2c733193c81f0d2ea`
Upload date	Oct 7, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.11.11`

Release files / era_py-0.0.33-py3-none-any.whl

Download URL	era_py-0.0.33-py3-none-any.whl
Size	3.0 MB
Tags	Python 3
SHA-256 checksum How to use checksums	`2ed9bb562f1b853a9a6e61101a51fcf55a8c8dce89abd577ba46e2c3df89cd24`
BLAKE2b-256 checksum How to use checksums	`4a5cb0635be6326ef963f6842e13f49dfa945d1f1959a309baeba5f2f9397e9f`
Upload date	Oct 7, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.11.11`