uv/python/uv/_find_uv.py

49 lines
1.5 KiB
Python

from __future__ import annotations
import os
import sys
import sysconfig
def find_uv_bin() -> str:
"""Return the uv binary path."""
uv_exe = "uv" + sysconfig.get_config_var("EXE")
# Search in the scripts directory for the current prefix
path = os.path.join(sysconfig.get_path("scripts"), uv_exe)
if os.path.isfile(path):
return path
# If in a virtual environment, also search in the base prefix's scripts directory
if sys.prefix != sys.base_prefix:
path = os.path.join(
sysconfig.get_path("scripts", vars={"base": sys.base_prefix}), uv_exe
)
if os.path.isfile(path):
return path
# Search in the user scheme scripts directory, e.g., `~/.local/bin`
path = os.path.join(sysconfig.get_path("scripts", scheme=_user_scheme()), uv_exe)
if os.path.isfile(path):
return path
# Search in `bin` adjacent to package root (as created by `pip install --target`).
pkg_root = os.path.dirname(os.path.dirname(__file__))
target_path = os.path.join(pkg_root, "bin", uv_exe)
if os.path.isfile(target_path):
return target_path
raise FileNotFoundError(path)
def _user_scheme() -> str:
if sys.version_info >= (3, 10):
user_scheme = sysconfig.get_preferred_scheme("user")
elif os.name == "nt":
user_scheme = "nt_user"
elif sys.platform == "darwin" and sys._framework:
user_scheme = "osx_framework_user"
else:
user_scheme = "posix_user"
return user_scheme