# Python Software Foundation

Part of: [People](/people.md)

- Packages: 2 (1 before)
- Maintains: 0 (packages now)
- First on CRAN: 2018 (named on a release)
- Co-authors: 9 (on the same packages)

## Packages


### Other roles (2)

- [argparse](/cran/argparse.md): Command Line Optional and Positional Argument Parser
  - 2.3.1, CRAN
  - Contributor
  - On 15 releases, 30 Nov 2018 to 8 Oct 2025
- [optparse](/cran/optparse.md): Command Line Option Parser
  - 1.8.2, CRAN
  - Contributor
  - On 10 releases, 17 Jun 2018 to 17 Apr 2026

### Previous (1)

- [S7schema](/cran/S7schema.md): 'S7' Framework for Schema-Validated YAML Configuration
  - 0.2.1, CRAN
  - Not on the current release
  - On 3 releases, 13 Mar 2026 to 21 Aug 2026

## Releases

49 releases

Releases are listed by year, newest first.

| Year | Releases | As maintainer | Busiest week |
| ---: | ---: | ---: | --- |
| 2026 | 4 | 0 | 12 to 18 Mar 2026, 1 release |
| 2025 | 1 | 0 | 8 to 14 Oct 2025, 1 release |
| 2024 | 5 | 0 | 15 to 21 Jan 2024, 1 release |
| 2023 | 1 | 0 | 12 to 18 Feb 2023, 1 release |
| 2022 | 4 | 0 | 16 to 22 Jul 2022, 2 releases |
| 2021 | 5 | 0 | 6 to 12 Aug 2021, 1 release |
| 2020 | 2 | 0 | 15 to 21 Apr 2020, 1 release |
| 2019 | 4 | 0 | 15 to 21 Jan 2019, 1 release |
| 2018 | 3 | 0 | 22 to 28 Jan 2018, 1 release |
| 2017 | 3 | 0 | 16 to 22 Jul 2017, 1 release |
| 2016 | 1 | 0 | 28 Oct to 3 Nov 2016, 1 release |
| 2015 | 1 | 0 | 1 to 7 Oct 2015, 1 release |
| 2014 | 4 | 0 | 2 to 8 Apr 2014, 3 releases |
| 2013 | 5 | 0 | 29 Jan to 4 Feb 2013, 3 releases |
| 2012 | 2 | 0 | 12 to 18 Feb 2012, 1 release |
| 2011 | 1 | 0 | 1 to 7 Oct 2011, 1 release |
| 2010 | 2 | 0 | 6 to 12 Aug 2010, 1 release |
| 2009 | 1 | 0 | 29 Oct to 4 Nov 2009, 1 release |

## Co-authors

- [Gyu Jin Choi](/people/Gyu+Jin+Choi.md): optparse
- [Trevor L. Davis](/people/Trevor+L.+Davis.md): argparse, optparse
- [Allen Day](/people/Allen+Day.md): argparse, optparse
- [Rich FitzJohn](/people/Rich+FitzJohn.md): optparse
- [Peter Humburg](/people/Peter+Humburg.md): optparse
- [Steve Lianoglou](/people/Steve+Lianoglou.md): optparse
- [Kirill Müller](/people/Kirill+M%C3%BCller.md): optparse
- [Paul Newell](/people/Paul+Newell.md): argparse
- [Jim Nikelski](/people/Jim+Nikelski.md): optparse

## Places

### Repositories (2)

- [trevorld](/repos/trevorld.md) (personal account, 2): [argparse](/repos/trevorld/r-argparse.md), [optparse](/repos/trevorld/r-optparse.md)

Left out: 1 package that named Python Software Foundation only on earlier releases.

## AI tools

All 2 packages that name them. The grid (aiview=time for every tool over time, and aitool=KEY opens one tool).

- Any tool: 2 of 2
- Claude Code: 2 of 2 (argparse, optparse)

[About these findings](/about/ai-tools.md)

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R Observatory is independent of the R Project, CRAN and Bioconductor. The same page for people is at /people/Python+Software+Foundation, and every address is listed at /llms.txt.