adafruit-circuitpython-connectionmanager
A urllib3.poolmanager/urllib3.connectionpool-like library for managing sockets and connections
Decision gist · record as of 2026-08-14
Yes, if you are developing for CircuitPython or using Adafruit-Blinka on embedded systems. The library is actively maintained, has no known vulnerabilities, and provides essential connection pooling for resource-constrained devices. Install it as a dependency when using Adafruit_CircuitPython_Requests or MiniMQTT, or directly if you need custom socket management on embedded hardware.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Adafruit-Blinka as a runtime dependency; intended primarily for CircuitPython devices or compatible embedded systems.
- Low friction install with a single runtime dependency on Adafruit-Blinka.
- Repository is actively maintained with recent commits and no known vulnerabilities.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution with minimal restrictions—suitable for both open and closed projects.
last release 2026-04-23 (113 days) · last repo commit 2026-04-23 · 6 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 139,905 downloads/mo, #11,284 on PyPI
Alternatives
Verify before relying
pip3 install adafruit-circuitpython-connectionmanager
from adafruit_circuitpython_connectionmanager import ConnectionManager
import Adafruit_Blinka
# Used internally by Adafruit_CircuitPython_Requests and Adafruit_CircuitPython_MiniMQTT- Specific Python version support (requires_python is unspecified in metadata)
- Whether the library can be used standalone or only as an internal dependency for other Adafruit libraries
What it is and what it does
This library provides a urllib3-like interface for managing sockets and connections on CircuitPython devices and compatible embedded systems. It abstracts away low-level socket handling and connection pooling, making it easier to build networked applications on resource-constrained hardware. The library is designed to be used internally by higher-level Adafruit libraries like Requests and MiniMQTT, but can also be imported directly for custom networking tasks.
The package depends on Adafruit-Blinka, which provides a compatibility layer between CircuitPython and standard Python environments. Installation is straightforward on GNU/Linux systems like the Raspberry Pi, and the library can also be deployed directly to CircuitPython devices using the circup tool. The codebase is actively maintained with no known security vulnerabilities.
Use it for
- Building HTTP client applications on CircuitPython microcontroller boards that need pooled connection reuse.
- Implementing MQTT clients on embedded devices where connection management overhead must be minimized.
- Creating custom network protocols on Raspberry Pi or similar boards using CircuitPython's socket abstraction.
- Developing IoT applications that require reliable socket lifecycle management across multiple requests.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are developing for CircuitPython or using Adafruit-Blinka on embedded systems.
The library is actively maintained, has no known vulnerabilities, and provides essential connection pooling for resource-constrained devices. Install it as a dependency when using Adafruit_CircuitPython_Requests or MiniMQTT, or directly if you need custom socket management on embedded hardware.
Install
adafruit-circuitpython-connectionmanager on PyPI
Before you install
Low friction install with a single runtime dependency on Adafruit-Blinka. Repository is actively maintained with recent commits and no known vulnerabilities.
Requires Adafruit-Blinka as a runtime dependency; intended primarily for CircuitPython devices or compatible embedded systems.
License in practice
MIT license permits unrestricted use, modification, and distribution with minimal restrictions—suitable for both open and closed projects.
Quickstart
pip3 install adafruit-circuitpython-connectionmanager
from adafruit_circuitpython_connectionmanager import ConnectionManager
import Adafruit_Blinka
# Used internally by Adafruit_CircuitPython_Requests and Adafruit_CircuitPython_MiniMQTTVerify before relying
- Specific Python version support (requires_python is unspecified in metadata)
- Whether the library can be used standalone or only as an internal dependency for other Adafruit libraries
Package facts
| License | MIT permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packageAdafruit-Blinka |
| Maintenance | Actively maintained 113 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 139,905 / month, #11,284 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersProgramming Language :: Python :: 3Topic :: Software Development :: Embedded SystemsTopic :: Software Development :: LibrariesTopic :: System :: Hardware |
Evidence: adafruit_circuitpython_connectionmanager-3.1.8-py3-none-any.whl
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See also adafruit-circuitpython-requests · adafruit-circuitpython-busdevice · adafruit-circuitpython-typing · Adafruit-Blinka · clickhouse-pool · psycopg-pool · django-db-connection-pool · connection_pool · psycopg2-pool · brainstem