rez packages: uv and python

python_package.py

name = "python"

version = "3.13.1"

authors = ["Guido van Rossum"]

description = "The Python programming language"

private_build_requires = ['uv-0.7.13+<1']

@early()
def variants():
    import rez.package_py_utils as rezutils
    import platform

    p = (
        "platform-%s"
        % {"darwin": "osx", "windows": "windows", "linux": "linux"}[
            platform.system().lower()
        ]
    )
    return [rezutils.expand_requires(p, "arch-**")]

@early()
def tools():
    maj, mnr = this.version.split(".")[0:2]
    pyver = ".".join([maj, mnr])
    all_vers = ["python{0}", "python{0}-config", "pip{0}"]
    return [
        "python",
        f"python{maj}",
        f"python{pyver}",
        "python-config",
        f"python{maj}-config",
        f"python{pyver}-config",
        "pip",
        f"pip{maj}",
        f"pip{pyver}",
        f"idle{maj}",
        f"idle{pyver}",
        f"pydoc{maj}",
        f"pydoc{pyver}",
        "2to3",
        f"2to3-{pyver}",
    ]


def pre_build_commands():
    env.REZ_BUILD_PYTHON_VERSION = "{this.version.major}.{this.version.minor}.{this.version.patch}"


build_command = """
uv python install $REZ_BUILD_PYTHON_VERSION -i {install_path}
ln -sfv {install_path}/cpython* {install_path}/ext
"""

def pre_commands():
    from tempfile import gettempdir
    import os
    # Unset PYTHONHOME to avoid conflicts with libraries provided by Rez
    env.PYTHONHOME.unset() 
    # Allow .pyc files to be written to a temporary directory, instead of attempting
    # to write to the package payload.
    env.PYTHONPYCACHEPREFIX = os.path.join(gettempdir(), "rez-pycache")


def commands():
    pyroot = "{this.root}/ext"
    env.PATH.prepend("{pyroot}/bin")

uv_package.py

name = "uv"

version = "0.7.13"

authors = ["Astral.sh"]

description = "An extremely fast Python package and project manager, written in Rust."

uuid = "94A2BD31-7E8D-4611-BA9F-8F16D09ED3F8"

tools = ["uv", "uvx"]


@early()
def variants():
    import rez.package_py_utils, platform
    p = ("platform-%s"
        % {"darwin": "osx", "windows": "windows", "linux": "linux"}[
            platform.system().lower()])
    return [rez.package_py_utils.expand_requires(p, "arch-**")]


def pre_build_commands():
    url_root = "https://github.com/astral-sh/uv/releases/download/%s.%s.%s" % (this.version[0:3])
    env.REZ_BUILD_URL_ROOT = url_root
    env.UV_UNMANAGED_INSTALL = "%s/bin" % build.install_path
    env.INSTALLER_NO_MODIFY_PATH = 1


@early()
def build_command():
    import platform
    if platform.system() == "Windows":
        return 'powershell -ExecutionPolicy ByPass -c "irm $REZ_BUILD_URL_ROOT/uv-installer.ps1 | iex'
    return "curl --proto '=https' --tlsv1.2 -LsSf $REZ_BUILD_URL_ROOT/uv-installer.sh | sh"
    

def commands():
    env.PATH.append("{root}/bin")