Files
axolotl/scripts/cutcrossentropy_install.py
Wing Lian 6afba3871d Add support for PyTorch 2.8.0 (#3106)
* Add support for PyTorch 2.8.0

* loosen triton requirements

* handle torch 2.8.0 in setup.py

* fix versions

* no vllm for torch 2.8.0

* remove comment

Co-authored-by: NanoCode012 <nano@axolotl.ai>

---------

Co-authored-by: NanoCode012 <nano@axolotl.ai>
2025-08-28 09:10:40 -04:00

34 lines
874 B
Python

"""Script to output the correct installation command for cut-cross-entropy."""
import importlib.util
import sys
try:
import torch
except ImportError as exc:
raise ImportError("Install torch via `pip install torch`") from exc
from packaging.version import Version as V
USE_UV = "--uv" in sys.argv[1:]
v = V(torch.__version__)
# no cut-cross-entropy support for torch < 2.4.0
if v < V("2.4.0"):
print("")
sys.exit(0)
cce_spec = importlib.util.find_spec("cut_cross_entropy")
UNINSTALL_PREFIX = ""
if cce_spec:
if not importlib.util.find_spec("cut_cross_entropy.transformers"):
UNINSTALL_PREFIX = "pip uninstall -y cut-cross-entropy && "
UV_PREFIX = "uv " if USE_UV else ""
print(
UNINSTALL_PREFIX
+ f'{UV_PREFIX}pip install "cut-cross-entropy[transformers] @ git+https://github.com/axolotl-ai-cloud/ml-cross-entropy.git@c6a32c5"'
)