---
id: cadquery-ocp-proxy
version: "7.9.3.1.1"
license: Apache-2.0
license_treatment: permissive
maintenance: active
---

# cadquery-ocp-proxy — Proxy package to track cadquery_ocp / cadquery_ocp_novtk version

License: permissive · Maintenance: active · Downloads: 856.0K/mo

## What it is and what it does

cadquery-ocp-proxy is a dependency-routing package that declares optional dependencies on either cadquery_ocp (with VTK support) or cadquery_ocp_novtk (without VTK). It exists to allow packages in its ecosystem to depend on a single proxy rather than directly on OCP variants, enabling users to choose which variant to install at install time by selecting the appropriate extra.

The package itself contains no functional code—it is purely a dependency-management tool. Users must explicitly select [vtk] or [novtk] when installing packages that depend on it. Omitting the extra leaves the OCP dependency uninstalled, which consuming packages must handle at runtime with appropriate error guidance.

Use it for:

- Install multiple ecosystem packages together by selecting the [vtk] extra for VTK-enabled environments
- Use ecosystem packages without VTK overhead by selecting [novtk] for lighter deployments
- Provide a single dependency point for ecosystem packages that need flexible OCP variant selection
- Enable runtime error handling in consuming packages when the OCP extra is not specified

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

A proxy package that routes optional dependencies to either cadquery_ocp or cadquery_ocp_novtk, allowing packages in its ecosystem to coexist without version conflicts.

Yes, if you are installing packages that declare cadquery-ocp-proxy as an optional dependency and need to choose between VTK and non-VTK variants. Install it indirectly by specifying [vtk] or [novtk] on the consuming package. Do not install this package directly; it is a dependency-management tool. Be aware that omitting the extra leaves OCP uninstalled, which requires runtime error handling in packages that depend on it.

## Install

pip install cadquery-ocp-proxy
uv add cadquery-ocp-proxy
poetry add cadquery-ocp-proxy

## Installing cadquery-ocp-proxy

Before you install: Low install friction with a pure-Python wheel. Active maintenance status as of 78 days since last release. No runtime dependencies to resolve.

License in practice: Apache-2.0 permissive license allows commercial and private use with minimal restrictions.

Quickstart:

pip install cadquery-ocp-proxy[vtk]>=7.9,<8.0
# or
pip install cadquery-ocp-proxy[novtk]>=7.9,<8.0

Requires Python >=3.10. Must explicitly specify [vtk] or [novtk] extra during install; omitting it leaves the OCP dependency uninstalled.

Verify before relying:

- Whether the proxy package exposes any public API or is purely a dependency-routing mechanism
- How version pinning (>=7.9,<8.0) is enforced across dependent packages when multiple declare conflicting ranges
- Whether downstream packages handle missing OCP gracefully at runtime when the extra is omitted

## Package facts

- License: Apache-2.0 (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 856.0K/month (top 5,000 on PyPI)
- Known vulnerabilities: none known

## Tags

cadquery ocp proxy, optional dependency routing, ocp variant selector, cadquery ecosystem proxy, dependency version resolver, dependency-resolver, ecosystem-proxy

[View on SkillFed](https://skillfed.io/packages/cadquery-ocp-proxy) · [View on PyPI](https://pypi.org/project/cadquery-ocp-proxy/)