Function download_wheels_with_pip

etc/scripts/utils_thirdparty.py:2165–2233

Fetch binary wheel(s) using pip for the ``envt`` Environment given a list of pip ``requirements_files`` and a list of ``requirements_specifiers`` string (such as package names or as name==version). Return a tuple of (list of downloaded files, error string). Do NOT fail on errors

(
    requirements_specifiers=tuple(),
    requirements_files=tuple(),
    environment=None,
    dest_dir=THIRDPARTY_DIR,
    index_url=PYPI_SIMPLE_URL,
    links_url=ABOUT_LINKS_URL,
)

def download_wheels_with_pip(
    requirements_specifiers=tuple(),
    requirements_files=tuple(),
    environment=None,
    dest_dir=THIRDPARTY_DIR,
    index_url=PYPI_SIMPLE_URL,
    links_url=ABOUT_LINKS_URL,
):
    """
    Fetch binary wheel(s) using pip for the ``envt`` Environment given a list of
    pip ``requirements_files`` and a list of ``requirements_specifiers`` string
    (such as package names or as name==version).
    Return a tuple of (list of downloaded files, error string).
    Do NOT fail on errors, but return an error message on failure.
    """

    cli_args = [
        "pip",
        "download",
        "--only-binary",
        ":all:",
        "--dest",
        dest_dir,
        "--index-url",
        index_url,
        "--find-links",
        links_url,
        "--no-color",
        "--progress-bar",
        "off",
        "--no-deps",
        "--no-build-isolation",
        "--verbose",
        #         "--verbose",
    ]

    if environment:
        eopts = environment.get_pip_cli_options()
        cli_args.extend(eopts)
    else:
        print("WARNING: no download environment provided.")

    cli_args.extend(requirements_specifiers)
    for req_file in requirements_files:
        cli_args.extend(["--requirement", req_file])

    if TRACE:
        print(f"Downloading wheels using command:", " ".join(cli_args))

    existing = set(os.listdir(dest_dir))
    error = False
    try:
        returncode, _stdout, stderr = call(cli_args, verbose=True)
        if returncode != 0:
            error = stderr
    except Exception as e:
        error = str(e)