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Description:

PyQtWaitingSpinner 1.3.2

PyQtWaitingSpinner

(Py)QtWaitingSpinner is a highly configurable, custom (Py)Qt widget for showing "waiting", or
"loading", spinner icons in (Py)Qt applications.
Based on pyqtspinner, by fbjorn, which is a fork of z3ntu's port of snowwlex's QtWaitingSpinner.
The spinners below are all (Py)QtWaitingSpinner widgets, differing only in their configuration:

Original GIF by snowwlex

Original Image by fbjorn

Installation
pip install pyqtwaitingspinner

Dependencies

PyYAML
PyQt6

Configuration
The following properties can all be controlled directly through their corresponding
properties:

Color of the widget
"Roundness" of the lines
Speed (rotations per second)
Number of lines to be drawn
Line length
Line width
Radius of the spinner's "dead space" or inner circle
The percentage fade of the "trail"
The minimum opacity of the "trail"
Whether to center the spinner on its parent widget
Whether or not to disable the parent widget whilst the spinner is spinning
The direction in which the spinner will spin

Usage
Spinner
The following code will create a simple spinner that

(1) blocks all user input to the main application for as long as the spinner is active
(2) automatically centers itself on its parent widget every time "start" is called
(3) makes use of the default shape, size and color settings.

spin_pars = SpinnerParameters(disable_parent_when_spinning=True)
spinner = WaitingSpinner(parent, spin_pars)

Configurator
The graphical Configurator allows you edit the parameters of the spinner, and view the changes live.
The Configurator can be launched with:
spinner-conf

Once the spinner's appearance is to your liking, you can either copy (and view) the initialization parameters for the construction of a SpinnerParameters object, or you can save the spinner as a YAML configuration and load it from within a WaitingSpinner class.
Show Init Args
Pressing the Show Init Args button will show the initialization arguments for the equivalent SpinnerParameters object, and will make a copy to the clipboard, including newlines and whitespace.

SpinnerParameters(
roundness=100.0,
trail_fade_percentage=67.0,
number_of_lines=8,
line_length=40,
line_width=40,
inner_radius=32,
revolutions_per_second=1.0,
color=QColor(0, 170, 0),
minimum_trail_opacity=1.0,
spin_direction=SpinDirection.COUNTERCLOCKWISE,
center_on_parent=True,
disable_parent_when_spinning=False,
)

Save Config
Pressing the Save button will open a dialog allowing you to select the location, and name, in which to save the configured spinner. The outputted YAML file can then be loaded like so:
spinner = WaitingSpinner(parent)
spinner.load("path/to/spinner.yaml")

Documentation
Full documentation at ReadTheDocs

Credits

snowwlex (Alex Turkin), William Hallatt, & jacob3141 (Jacob Dawid) for the original Qt widget.

z3ntu (Luca Weiss) for his PyQt6 port.

fbjorn for his PyQt5 port of z3ntu's port.

Yusuke Kamiyamane for the icons used in the Configurator.

See full credits

Enjoy!