CosmologyWrite

class astropy.cosmology.connect.CosmologyWrite(instance: Cosmology, cls: type[Cosmology])

Bases: UnifiedReadWrite

Write this Cosmology object out in the specified format.

This function provides the Cosmology interface to the astropy unified I/O layer. This allows easily writing a file in supported data formats using syntax such as:

>>> from astropy.cosmology import Planck18
>>> Planck18.write('<file name>')

Get help on the available writers for Cosmology using the help() method:

>>> Cosmology.write.help()  # Get help writing and list supported formats
>>> Cosmology.write.help(format='<format>')  # Get detailed help on format
>>> Cosmology.write.list_formats()  # Print list of available formats

Parameters:

*args

Positional arguments passed through to data writer. If supplied the first argument is the output filename.

formatstr (optional, keyword-only)

File format specifier.

**kwargs

Keyword arguments passed through to data writer.

Notes

The available built-in formats are:

Format	Read	Write	Auto-identify
astropy.cosmology	Yes	Yes	Yes
astropy.model	Yes	Yes	Yes
astropy.row	Yes	Yes	Yes
astropy.table	Yes	Yes	Yes
mapping	Yes	Yes	Yes
yaml	Yes	Yes	No

Methods Summary

__call__(*args, **kwargs)

Call self as a function.

Methods Documentation

__call__(*args: Any, **kwargs: Any) → None

Call self as a function.