Spinner

class astropy.utils.console.Spinner(msg, color='default', file=None, step=1, chars=None)

Bases: object

A class to display a spinner in the terminal.

It is designed to be used with the with statement:

with Spinner("Reticulating splines", "green") as s:
    for item in enumerate(items):
        s.update()

Parameters:

msgpython:str

The message to print

colorpython:str, optional

An ANSI terminal color name. Must be one of: black, red, green, brown, blue, magenta, cyan, lightgrey, default, darkgrey, lightred, lightgreen, yellow, lightblue, lightmagenta, lightcyan, white.

filefile-like (writeable), optional

The file to write the spinner to. Defaults to sys.stdout. If file is not a tty (as determined by calling its isatty member, if any, or special case hacks to detect the IPython console), the spinner will be completely silent.

steppython:int, optional

Only update the spinner every step steps

charspython:str, optional

The character sequence to use for the spinner

Methods Summary

update([value])

Update the spin wheel in the terminal.

Methods Documentation

update(value=None)

Update the spin wheel in the terminal.

Parameters:

valuepython:int, optional

Ignored (present just for compatibility with ProgressBar.update).