MeshLib/scripts/setup_win_python_reqs.py at master · MeshInspector/MeshLib · GitHub

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import platform

import re

import os

import subprocess

from pathlib import Path

def get_vcpkg_root_from_where():

try:

output = subprocess.check_output(["where", "vcpkg"], universal_newlines=True)

first_line = output.strip().splitlines()[0]

return Path(first_line).resolve().parent

except Exception as e:

print(e)

return None

def detect_vcpkg_python_version(vcpkg_root, triplet="x64-windows-meshlib"):

include_dir = vcpkg_root / "installed" / triplet / "include"

if include_dir.exists():

for entry in include_dir.iterdir():

match = re.match(r"python3\.(\d+)", entry.name)

if match:

minor_version = match.group(1)

return f"3.{minor_version}"

return None

def python_version_available(version: str) -> bool:

try:

subprocess.run(

f"py -{version} --version",

shell=True, check=True,

stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,

)

return True

except subprocess.CalledProcessError:

return False

def choco_install_python(version: str):

version_nodot = version.replace('.', '') # "3.11" -> "311"

choco_package = f"python{version_nodot}"

try:

print(f"Installing {choco_package} via Chocolatey...")

subprocess.run(["choco", "install", choco_package, "-y"], check=True)

print(f"Successfully installed {choco_package}")

except subprocess.CalledProcessError:

print(f"Failed to install {choco_package}. Check Chocolatey setup and try again.")

def run_python_setup(py_version: str):

py_cmd = f"py -{py_version}"

try:

print(f"Ensuring pip is available for Python {py_version}...")

subprocess.run(f"{py_cmd} -m ensurepip --upgrade", shell=True, check=True)

requirements_file = Path(__file__).resolve().parents[1] / "requirements" / "python" / "requirements.txt"

if requirements_file.exists():

subprocess.run(f"{py_cmd} -m pip install -r {requirements_file}", shell=True, check=True)

else:

print(f"WARNING: Requirements file not found at {requirements_file}")

except subprocess.CalledProcessError as e:

print(f"Error during Python setup for {py_version}: {e}")

exit(1)

if platform.system() == "Windows":

vcpkg_root = get_vcpkg_root_from_where()

if vcpkg_root:

triplet = os.environ.get("VCPKG_DEFAULT_TRIPLET") or "x64-windows-meshlib"

detected_version = detect_vcpkg_python_version(vcpkg_root, triplet=triplet)

if detected_version:

print(f"Using python version {detected_version}")

if python_version_available(detected_version):

print(f"Python {detected_version} already available, skipping Chocolatey install")

else:

choco_install_python(detected_version)

run_python_setup(detected_version)

MeshLib/scripts/setup_win_python_reqs.py at master · MeshInspector/MeshLib · GitHub

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