class Spinner:
def __init__(self, message):
self.halo = Halo(text=message, spinner='dot', color='green')
def __enter__(self):
self.halo.__enter__()
def __exit__(self, exc_type, exc_val, exc_tb):
self.halo.__exit__(exc_tb, exc_val, exc_tb)
class StatusMessage:
"""A generic class to provide status updates to the UI.
At the moment only a text user interface is supported so this simply passes
messages along to `Halo`.
"""
def __init__(self, text=None):
self.spinner = Halo(text, spinner='dots')
def __enter__(self, text=None):
self.spinner.__enter__()
return self
def __exit__(self, exc_type, exc_value, exc_traceback):
self.spinner.__exit__(exc_type, exc_value, exc_traceback)
def update(self, text):
self.spinner.text = text