avoiding multiple PIP packages installation
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- python
- Domain
- developer-experience
Research direction
Start with the README section describing the four mutually exclusive packages and review how the project publishes opencv-python, opencv-contrib-python, and their headless variants. Investigate whether pip dependency metadata can express the requested alternatives; done would mean documenting or implementing a way to avoid installing a second OpenCV package when one compatible variant is already present.
Written by the indexing model from the issue text.
Description
Hey guys! A bit confused on how to properly set a PIP dependency for my package if it depends on OpenCV. README clearly states:
There are four different packages (see options 1, 2, 3 and 4 below) and you should SELECT ONLY ONE OF THEM.
implying
opencv-python
opencv-contrib-python
opencv-python-headless
opencv-contrib-python-headless
Say I have opencv-contrib-python-headless installed in my environment, and then I install pip package that depends on opencv-python-headless. Even though it can perfectly fine work with (and supposed to) opencv-contrib-python-headless, pip still gonna install opencv-python-headless breaking aforementioned rule.
How to handle that? What should that package set as a dependency to install opencv only if neither packages installed
- Dominant language
- Python
- Stars
- 5.4k
- Forks
- 1k
- Avg merge
- 22h 17m
- Merged PRs (30d)
- 3
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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