Made opencv dependency optional.

README.md

@@ -20,6 +20,10 @@ These stubs are a temporary help until official ones are made (see [this issue](
 
 ## Installation
 
+The package is available on pypi [here](https://pypi.org/project/opencv-stubs/), you can install it with:
+
 ```
 pip install opencv-stubs
 ```
+
+The dependency on opencv is optional, and be accessed with `pip install opencv-stubs[opencv]` or `pip install opencv-stubs[opencv-headless]`.

pyproject.toml

@@ -21,7 +21,7 @@ classifiers = [
 ]
 license = {text = "MIT"}
 dynamic = ["version"]
-dependencies = ["numpy>=1.21", "opencv-python>=4.7.0.0"]
+dependencies = ["numpy>=1.21"]
 requires-python = ">=3.8"
 packages = [
     { "include" = "cv2-stubs"}
@@ -34,6 +34,9 @@ packages = [
 [project.optional-dependencies]
 dev = ["pre-commit", "pip-tools", "ruff", "pyright"]
 build = ["hatch"]
+# I couldn't figure out how to have "opencv or opencv-headless" as dependency, so they are both optional.
+opencv = ["opencv-python>=4.7.0"]
+opencv-headless = ["opencv-python-headless>=4.7.0"]
 
 [tool.hatch.version]
 path = "src/cv2-stubs/__init__.pyi"

src/cv2-stubs/__init__.pyi

@@ -1,4 +1,4 @@
-__version__ = "0.0.3"
+__version__ = "0.0.4"
 
 from collections.abc import Iterable, Sequence
 from typing import TypeVar