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Pin opencv-python-headless in requirements

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The GUI opencv-python build needs libGL.so.1 which headless Linux servers lack,
causing "ImportError: libGL.so.1" at first cv2 use. Pin the headless build so a
plain `pip install -r requirements.txt` works on servers out of the box (and
survives a git reset). BgFilter only uses cv2 for computation, so headless is a
drop-in on desktops too. Drop the now-unnecessary sed step from DEPLOY.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
孔令弘
2026-07-05 09:45:51 +00:00
parent bfbeb9fc7f
commit 6232887ebd
3 changed files with 7 additions and 18 deletions
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DEPLOY.md
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@@ -53,15 +53,9 @@ the default CUDA build and ~2–3 GB of `nvidia-*` packages you don't need on a
pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu
```
On a headless server use **`opencv-python-headless`** instead of `opencv-python`
(the GUI build needs `libGL.so.1` etc. that servers usually lack):
```bash
sed -i 's/^opencv-python$/opencv-python-headless/' requirements.txt
```
Then install the rest. `torch`/`torchvision` are already satisfied, so this won't
re-pull CUDA:
`requirements.txt` already pins **`opencv-python-headless`** (the GUI build needs
`libGL.so.1` etc. that headless servers lack), so no change is needed. Then install
the rest — `torch`/`torchvision` are already satisfied, so this won't re-pull CUDA:
```bash
pip install -r requirements.txt