Installation

iiisight is a pure-Python library, so it installs as a single universal wheel on any platform with Python 3.10 or newer:

pip install iiisight

Its only runtime dependency is httpx.

Optional extras

Extra	Installs	For
iiisight[prezi3]	iiif-prezi3	Interop with the write-side iiif-prezi3 library
iiisight[dev]	pytest, ruff, build, …	Working on iiisight itself
iiisight[docs]	Sphinx, MyST, Furo	Building this documentation

pip install "iiisight[prezi3]"

Requirements

• Python 3.10+ — iiisight uses modern typing (X | None, list[str]).

• No compiled extensions, no system libraries, no image-decoding dependency.

Verifying the install

import iiisight
print(iiisight.__version__)