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Use shutil.which for the build backend #10028

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Merged
merged 2 commits into from
Dec 20, 2024
Merged

Use shutil.which for the build backend #10028

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8064ea4
Use `shutil.which` for the build backend
konstin Dec 19, 2024
1c4e5cb
Update python/uv/_build_backend.py
konstin Dec 19, 2024
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9 changes: 6 additions & 3 deletions python/uv/_build_backend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,14 +26,17 @@ def warn_config_settings(config_settings: "dict | None" = None):

def call(args: "list[str]", config_settings: "dict | None" = None) -> str:
"""Invoke a uv subprocess and return the filename from stdout."""
import shutil
import subprocess
import sys

from ._find_uv import find_uv_bin

warn_config_settings(config_settings)
# Unlike `find_uv_bin`, this mechanism must work according to PEP 517
uv_bin = shutil.which("uv")
if uv_bin is None:
raise RuntimeError("uv was not properly installed")
# Forward stderr, capture stdout for the filename
result = subprocess.run([find_uv_bin()] + args, stdout=subprocess.PIPE)
result = subprocess.run([uv_bin] + args, stdout=subprocess.PIPE)
if result.returncode != 0:
sys.exit(result.returncode)
# If there was extra stdout, forward it (there should not be extra stdout)
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