pdb.py 文件源码

def get_release_date(pdb_id):
    """Quick way to get the release date of a PDB ID using the table of results from the REST service

    Returns None if the release date is not available.

    Returns:
        str: Organism of a PDB ID

    """

    pdb_id = pdb_id.upper()
    if pdb_id not in _property_table().index:
        raise ValueError('PDB ID not in property table')
    else:
        release_date = _property_table().ix[pdb_id, 'releaseDate']
        if pd.isnull(release_date):
            log.debug('{}: no taxonomy available')
            release_date = None

    return release_date