adafruit-circuitpython-typing
Types needed for type annotation that are not in `typing`
Decision gist · record as of 2026-08-14
Yes, if you are developing CircuitPython code and want type-checking support on your development machine. Install it as a development dependency (not in your CircuitPython bundle). The package is actively maintained, has no known vulnerabilities, and carries a permissive MIT license. Low install friction and clear scope make it a straightforward addition to a CircuitPython development workflow.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.8 or later; intended primarily for type-checking CircuitPython projects rather than runtime use on microcontroller boards.
- Low install friction with a pure-Python wheel distribution.
- Active maintenance with last commit on 2026-04-23 and a recent release on 2025-10-27, indicating ongoing support for the CircuitPython ecosystem.
License · maintenance · safety
MIT (permissive) — MIT license is permissive, allowing use in both open-source and proprietary projects with minimal restrictions.
last release 2025-10-27 (291 days) · last repo commit 2026-04-23 · 7 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 160,291 downloads/mo, #10,667 on PyPI
Alternatives
Verify before relying
pip install adafruit-circuitpython-typing
import adafruit_circuitpython_typing
# Use type annotations from the module in your CircuitPython code- What specific type definitions this package adds beyond the standard typing module
- Whether this is meant for development/type-checking only or also for runtime on CircuitPython boards
What it is and what it does
This package supplies type annotation definitions needed for CircuitPython development that do not exist in Python's standard typing module. It is designed to support developers writing type-annotated CircuitPython code on host machines, particularly when using tools like Adafruit-Blinka for testing and development. The package depends on Adafruit-Blinka, adafruit-circuitpython-busdevice, adafruit-circuitpython-requests, and typing_extensions to provide a complete typing environment.
The library is explicitly not required at runtime for CircuitPython code execution and does not need to be included in CircuitPython bundles deployed to microcontroller boards. It serves as a development-time dependency for developers using type checkers and IDEs to validate their CircuitPython projects before deployment.
Use it for
- Type-checking CircuitPython projects on a development machine using mypy or similar tools
- Providing IDE autocomplete and type hints when writing CircuitPython code in an editor
- Validating type annotations in CircuitPython libraries before publishing to the ecosystem
- Supporting Adafruit hardware projects that use Blinka for cross-platform compatibility
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are developing CircuitPython code and want type-checking support on your development machine.
Install it as a development dependency (not in your CircuitPython bundle). The package is actively maintained, has no known vulnerabilities, and carries a permissive MIT license. Low install friction and clear scope make it a straightforward addition to a CircuitPython development workflow.
Install
adafruit-circuitpython-typing on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Active maintenance with last commit on 2026-04-23 and a recent release on 2025-10-27, indicating ongoing support for the CircuitPython ecosystem.
Requires Python 3.8 or later; intended primarily for type-checking CircuitPython projects rather than runtime use on microcontroller boards.
License in practice
MIT license is permissive, allowing use in both open-source and proprietary projects with minimal restrictions.
Quickstart
pip install adafruit-circuitpython-typing
import adafruit_circuitpython_typing
# Use type annotations from the module in your CircuitPython codeVerify before relying
- What specific type definitions this package adds beyond the standard typing module
- Whether this is meant for development/type-checking only or also for runtime on CircuitPython boards
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesAdafruit-Blinkaadafruit-circuitpython-busdeviceadafruit-circuitpython-requeststyping_extensions |
| Maintenance | Actively maintained 291 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 160,291 / month, #10,667 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseProgramming Language :: Python :: 3Topic :: Software Development :: Embedded SystemsTopic :: Software Development :: LibrariesTopic :: System :: Hardware |
Evidence: adafruit_circuitpython_typing-1.12.3-py3-none-any.whl
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See also adafruit-circuitpython-requests · adafruit-circuitpython-busdevice · adafruit-circuitpython-connectionmanager · Adafruit-Blinka · Adafruit-PlatformDetect · gpiozero · akracer · Adafruit-PureIO · autotyping · RPi.GPIO