types-pyRFC3339
Typing stubs for pyRFC3339
Decision gist · record as of 2026-08-14
Yes, but with a clear condition: install this only if you are using pyRFC3339 version 2.0.x and need type checking support. If you're already on pyRFC3339 2.1.0 or later, uninstall it—the library now includes its own type annotations. For 2.0.x users who rely on static type checking, it's a straightforward, low-friction addition.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >=3.9
- Low friction installation with no runtime dependencies.
- Actively maintained as part of typeshed; last commit 2026-08-14.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing use in most commercial and open-source projects without significant restriction.
last release 2025-08-25 (354 days) · last repo commit 2026-08-14 · 37 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 341,095 downloads/mo, #7,407 on PyPI
Alternatives
Verify before relying
pip install types-pyrfc3339
import pyrfc3339
# Type checker now understands pyrfc3339 types- Whether this stub package remains necessary if you're using pyRFC3339 2.1.0 or later (description suggests uninstalling in that case).
What it is and what it does
This is a type stub package—a collection of type annotations that helps static type checkers understand the pyRFC3339 library without needing to execute its code. It's part of the typeshed project, the standard repository of type stubs for Python packages that predate or lack built-in type support.
The package targets pyRFC3339~=2.0.1 and has been tested with mypy 1.17.1 and pyright 1.1.404. It has no runtime dependencies and installs cleanly. However, it's designed as a temporary bridge: pyRFC3339 added native type annotations starting in version 2.1.0, so this stub becomes unnecessary if you upgrade to that version or later.
Use it for
- Enable type checking in projects using pyRFC3339 2.0.x with mypy or pyright without waiting for native type support.
- Catch type errors in RFC 3339 date parsing and formatting code before runtime in a typed codebase.
- Maintain strict type checking across a project that depends on an older version of pyRFC3339.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, but with a clear condition: install this only if you are using pyRFC3339 version 2.0.x and need type checking support.
If you're already on pyRFC3339 2.1.0 or later, uninstall it—the library now includes its own type annotations. For 2.0.x users who rely on static type checking, it's a straightforward, low-friction addition.
Install
types-pyrfc3339 on PyPI
Before you install
Low friction installation with no runtime dependencies. Actively maintained as part of typeshed; last commit 2026-08-14.
Requires Python >=3.9
License in practice
Licensed under Apache-2.0 (permissive), allowing use in most commercial and open-source projects without significant restriction.
Quickstart
pip install types-pyrfc3339
import pyrfc3339
# Type checker now understands pyrfc3339 typesVerify before relying
- Whether this stub package remains necessary if you're using pyRFC3339 2.1.0 or later (description suggests uninstalling in that case).
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 354 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 341,095 / month, #7,407 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Programming Language :: Python :: 3Typing :: Stubs Only |
Evidence: types_pyrfc3339-2.0.1.20250825-py3-none-any.whl
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See also types-icalendar · pyRFC3339 · rfc3339 · types-docutils · types-pyserial · types-html5lib · types-retry · types-grpcio-reflection · types-pyflakes · types-pytz