U d{jf@sddlZddlmZddlmZddlmZddlmZm Z ddl m Z ddd d d Z ded d dZ ddZedee edee edeedS)N) defaultdict)convert_registry) Cosmology)QTableRow) from_mappingF move_to_meta cosmologycCsd|jkr|dnd}ttt|j}|jD] }|jjr2||j  |jjq2t|}||d<| d| ddt||d<t |||dS)a Instantiate a `~astropy.cosmology.Cosmology` from a `~astropy.table.Row`. Parameters ---------- row : `~astropy.table.Row` The object containing the Cosmology information. move_to_meta : bool (optional, keyword-only) Whether to move keyword arguments that are not in the Cosmology class' signature to the Cosmology's metadata. This will only be applied if the Cosmology does NOT have a keyword-only argument (e.g. ``**kwargs``). Arguments moved to the metadata will be merged with existing metadata, preferring specified metadata in the case of a merge conflict (e.g. for ``Cosmology(meta={'key':10}, key=42)``, the ``Cosmology.meta`` will be ``{'key': 10}``). cosmology : str, `~astropy.cosmology.Cosmology` class, or None (optional, keyword-only) The cosmology class (or string name thereof) to use when constructing the cosmology instance. The class also provides default parameter values, filling in any non-mandatory arguments missing in 'table'. Returns ------- `~astropy.cosmology.Cosmology` subclass instance Examples -------- To see loading a `~astropy.cosmology.Cosmology` from a Row with ``from_row``, we will first make a `~astropy.table.Row` using :func:`~astropy.cosmology.Cosmology.to_format`. >>> from astropy.cosmology import Cosmology, Planck18 >>> cr = Planck18.to_format("astropy.row") >>> cr cosmology name H0 Om0 Tcmb0 Neff m_nu Ob0 km / (Mpc s) K eV str13 str8 float64 float64 float64 float64 float64[3] float64 ------------- -------- ------------ ------- ------- ------- ----------- ------- FlatLambdaCDM Planck18 67.66 0.30966 2.7255 3.046 0.0 .. 0.06 0.04897 Now this row can be used to load a new cosmological instance identical to the ``Planck18`` cosmology from which it was generated. >>> cosmo = Cosmology.from_format(cr, format="astropy.row") >>> cosmo FlatLambdaCDM(name="Planck18", H0=67.66 km / (Mpc s), Om0=0.30966, Tcmb0=2.7255 K, Neff=3.046, m_nu=[0. 0. 0.06] eV, Ob0=0.04897) nameNr metar )columnsrdictcopydeepcopyr _tableZitercolsinfor update setdefaultpopr)rowr r r r colmappingrW/var/www/html/bwave/python/venv/lib/python3.8/site-packages/astropy/cosmology/io/row.pyfrom_row s2 r)cosmology_in_meta table_clscGs"ddlm}||||d}|dS)aSerialize the cosmology into a `~astropy.table.Row`. Parameters ---------- cosmology : `~astropy.cosmology.Cosmology` subclass instance *args Not used. Needed for compatibility with `~astropy.io.registry.UnifiedReadWriteMethod` table_cls : type (optional, keyword-only) Astropy :class:`~astropy.table.Table` class or subclass type to use. Default is :class:`~astropy.table.QTable`. cosmology_in_meta : bool Whether to put the cosmology class in the Table metadata (if `True`) or as the first column (if `False`, default). Returns ------- `~astropy.table.Row` With columns for the cosmology parameters, and metadata in the Table's ``meta`` attribute. The cosmology class name will either be a column or in ``meta``, depending on 'cosmology_in_meta'. Examples -------- A Cosmology as a `~astropy.table.Row` will have the cosmology's name and parameters as columns. >>> from astropy.cosmology import Planck18 >>> cr = Planck18.to_format("astropy.row") >>> cr cosmology name H0 Om0 Tcmb0 Neff m_nu Ob0 km / (Mpc s) K eV str13 str8 float64 float64 float64 float64 float64[3] float64 ------------- -------- ------------ ------- ------- ------- ----------- ------- FlatLambdaCDM Planck18 67.66 0.30966 2.7255 3.046 0.0 .. 0.06 0.04897 The cosmological class and other metadata, e.g. a paper reference, are in the Table's metadata. r)to_table)clsrr)tabler)r rrargsrr!rrrto_rowSs) r#cOs&d}|dkr"t|dto |dk}|S)z_Identify if object uses the `~astropy.table.Row` format. Returns ------- bool Freadr)N astropy.row) isinstancer)originformatr"kwargsZitisrrr row_identifysr*r%)r collectionsrZastropy.cosmology.connectrZastropy.cosmology.corerZ astropy.tablerrrrrr#r*Zregister_readerZregister_writerZregister_identifierrrrrs    F/