Python Netgear Switch Interface Library
Query and control all your Netgear switches — SNMP (managed), NSDP and HTTP
web-UI (Plus) — behind one model-driven Python API and the ngsw CLI.
Documentation: https://python-netgear-switch-library.readthedocs.io/ — API
reference, the complete ngsw CLI reference, the virtual-switch guide (how to
test your own tools against a mock), and generated
model × protocol and model × functionality support tables.
Status: early development. See docs/superpowers/specs/ for the design and
docs/superpowers/plans/ for the implementation plans.
Installation
pip / uv (PyPI)
pip install python-netgear-switch-library
# or: uv add python-netgear-switch-library
Optional extras: [async] (pysnmp), [http] (httpx). The synchronous SNMP
transport shells out to the net-snmp command-line tools, a system package
(not a Python dependency):
sudo apt install snmp # provides snmpget/snmpbulkwalk/snmpset
Debian / Ubuntu (apt)
Signed .deb packages for Debian trixie and sid are published to a
GitHub Pages apt repository. Pick the line matching your suite:
sudo install -d -m0755 /etc/apt/keyrings
curl -fsSL https://mith.ro/python-netgear-switch-library/python-netgear-switch-library.gpg \
| sudo tee /etc/apt/keyrings/python-netgear-switch-library.gpg > /dev/null
# trixie:
echo "deb [signed-by=/etc/apt/keyrings/python-netgear-switch-library.gpg] https://mith.ro/python-netgear-switch-library/trixie/ ./" \
| sudo tee /etc/apt/sources.list.d/python-netgear-switch-library.list
# sid:
echo "deb [signed-by=/etc/apt/keyrings/python-netgear-switch-library.gpg] https://mith.ro/python-netgear-switch-library/sid/ ./" \
| sudo tee /etc/apt/sources.list.d/python-netgear-switch-library.list
sudo apt update
sudo apt install python3-netgear-switch-library
This installs the netgear_switch library and the ngsw CLI, and pulls in the
snmp net-snmp CLI tools automatically.
Either way, once installed run ngsw --help to see available commands.
Versioning
This project is a rolling release: the version is derived from git
(0.0.postN / X.Y.postN), and every merge to main publishes a new version
to PyPI and the apt repo. There are no tags or manual version bumps.
Mock switch daemons (ngsw serve)
The library ships in-repo virtual/mock switches. ngsw serve runs them as
standalone, long-lived daemons on real sockets, so an external tool or library
can point at a mock when real hardware is unavailable (CI, local development,
demos).
# Serve one model (ephemeral ports), or several, or every registered model:
ngsw serve --model gsm7228ps
ngsw serve --model gsm7228ps --model gs305ep
ngsw serve --all
For each switch that comes up it prints the model, bind host, the actual bound
port(s) (SNMP/NSDP over UDP, HTTP over TCP), and the SNMP community and HTTP
password it accepts, then blocks until interrupted (Ctrl-C / SIGTERM), at
which point every switch is stopped cleanly:
[gsm7228ps] host=127.0.0.1
SNMP udp/36540
HTTP tcp/42629
community='public' http_password='password'
serving 1 mock switch(es); press Ctrl-C to stop
Point any tool at the printed port. For example, with the mock above serving
SNMP on UDP 36540:
snmpwalk -v2c -c public 127.0.0.1:36540 1.3.6.1.2.1.1
# ...or the library's own CLI against the same mock:
ngsw --host 127.0.0.1 --model gsm7228ps --community public ports # + your transport wiring
Options:
--model KEY— model to serve; repeatable.--allserves every registered model (seengsw models).--host IP— bind address (default127.0.0.1). Pass0.0.0.0to expose the mock to other hosts on the network.--community STR/--http-password STR— credentials the mock accepts (defaultspublic/password).--port N/--http-port N— pin the SNMP/NSDP UDP port and the HTTP TCP port instead of using ephemeral ones. Because a pinned port is a single listener, these are only allowed when serving exactly one model; otherwise leave them unset and read the printed ephemeral ports.
Full details, including worked examples of testing an external tool against a mock, are in the virtual switch guide.
Development
uv sync --all-extras
uv run pytest
uv run ruff check
uv run mypy
Build the documentation (warnings are errors, as on Read the Docs):
uv sync --extra docs
make -C docs html
License
Apache-2.0.
1 maintainer
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