mirror of
https://github.com/astral-sh/ruff.git
synced 2025-09-29 05:14:52 +00:00
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from __future__ import annotations
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import os
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import sys
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import sysconfig
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def find_ruff_bin() -> str:
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"""Return the ruff binary path."""
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ruff_exe = "ruff" + sysconfig.get_config_var("EXE")
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scripts_path = os.path.join(sysconfig.get_path("scripts"), ruff_exe)
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if os.path.isfile(scripts_path):
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return scripts_path
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if sys.version_info >= (3, 10):
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user_scheme = sysconfig.get_preferred_scheme("user")
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elif os.name == "nt":
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user_scheme = "nt_user"
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elif sys.platform == "darwin" and sys._framework:
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user_scheme = "osx_framework_user"
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else:
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user_scheme = "posix_user"
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user_path = os.path.join(
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sysconfig.get_path("scripts", scheme=user_scheme), ruff_exe
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)
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if os.path.isfile(user_path):
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return user_path
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# Search in `bin` adjacent to package root (as created by `pip install --target`).
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pkg_root = os.path.dirname(os.path.dirname(__file__))
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target_path = os.path.join(pkg_root, "bin", ruff_exe)
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if os.path.isfile(target_path):
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return target_path
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# Search for pip-specific build environments.
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#
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# Expect to find ruff in <prefix>/pip-build-env-<rand>/overlay/bin/ruff
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# Expect to find a "normal" folder at <prefix>/pip-build-env-<rand>/normal
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#
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# See: https://github.com/pypa/pip/blob/102d8187a1f5a4cd5de7a549fd8a9af34e89a54f/src/pip/_internal/build_env.py#L87
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paths = os.environ.get("PATH", "").split(os.pathsep)
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if len(paths) >= 2:
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def get_last_three_path_parts(path: str) -> list[str]:
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"""Return a list of up to the last three parts of a path."""
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parts = []
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while len(parts) < 3:
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head, tail = os.path.split(path)
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if tail or head != path:
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parts.append(tail)
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path = head
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else:
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parts.append(path)
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break
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return parts
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maybe_overlay = get_last_three_path_parts(paths[0])
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maybe_normal = get_last_three_path_parts(paths[1])
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if (
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len(maybe_normal) >= 3
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and maybe_normal[-1].startswith("pip-build-env-")
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and maybe_normal[-2] == "normal"
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and len(maybe_overlay) >= 3
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and maybe_overlay[-1].startswith("pip-build-env-")
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and maybe_overlay[-2] == "overlay"
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):
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# The overlay must contain the ruff binary.
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candidate = os.path.join(paths[0], ruff_exe)
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if os.path.isfile(candidate):
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return candidate
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raise FileNotFoundError(scripts_path)
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if __name__ == "__main__":
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ruff = find_ruff_bin()
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if sys.platform == "win32":
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import subprocess
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completed_process = subprocess.run([ruff, *sys.argv[1:]])
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sys.exit(completed_process.returncode)
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else:
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os.execvp(ruff, [ruff, *sys.argv[1:]])
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