INNER CODE UNIT · Python

_celestrak_url

ATTron/astroz · bindings/python/astroz/__init__.py:64

def _celestrak_url(group=None, norad_id=None):
    if norad_id is not None:
        ids = ",".join(map(str, norad_id)) if isinstance(norad_id, (list, tuple)) else str(norad_id)
        query = f"CATNR={ids}"
    else:
        query = f"GROUP={_CELESTRAK_ALIASES.get(group.lower(), group)}"
    return f"https://celestrak.org/NORAD/elements/gp.php?{query}&FORMAT=TLE"


def _load_tle_text(source, norad_id=None):
    """Returns (text, format) where format is "tle" or "json"."""
    if norad_id is not None:
        return _fetch_url(_celestrak_url(norad_id=norad_id)), "tle"
    if source is None:
        raise ValueError("Must specify 'source' or 'norad_id'")
    if source.startswith(("http://", "https://")):
        text = _fetch_url(source)
        fmt = "json" if text.lstrip().startswith(("[", "{")) else "tle"

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