INNER CODE UNIT · Python

resolve_mirror

PKU-EMBL/BASALT · BASALT_setup_China_mainland.py:283

def resolve_mirror(
    args: argparse.Namespace,
) -> Tuple[str, List[str], Optional[str]]:
    """Resolve Conda channels and a matching PyPI endpoint."""
    if args.channel:
        pip_index = None if args.no_pip_mirror else args.pip_index_url
        return "custom", list(args.channel), pip_index

    name = args.mirror
    if name == "auto":
        if args.dry_run:
            name = "tuna"
            print("Dry-run: using TUNA as the representative automatic mirror.")
        else:
            for candidate in ("tuna", "bfsu", "ustc", "upstream"):
                preset = MIRRORS[candidate]
                print("Checking {} ...".format(preset["label"]))
                if mirror_is_reachable(preset["channels"]):

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