51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""A simple spinner module"""
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import itertools
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import sys
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import threading
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import time
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class Spinner:
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"""A simple spinner class"""
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def __init__(self, message: str = "Loading...", delay: float = 0.1) -> None:
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"""Initialize the spinner class
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Args:
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message (str): The message to display.
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delay (float): The delay between each spinner update.
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"""
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self.spinner = itertools.cycle(["-", "/", "|", "\\"])
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self.delay = delay
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self.message = message
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self.running = False
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self.spinner_thread = None
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def spin(self) -> None:
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"""Spin the spinner"""
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while self.running:
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sys.stdout.write(f"{next(self.spinner)} {self.message}\r")
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sys.stdout.flush()
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time.sleep(self.delay)
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sys.stdout.write(f"\r{' ' * (len(self.message) + 2)}\r")
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def __enter__(self) -> None:
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"""Start the spinner"""
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self.running = True
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self.spinner_thread = threading.Thread(target=self.spin)
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self.spinner_thread.start()
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def __exit__(self, exc_type, exc_value, exc_traceback) -> None:
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"""Stop the spinner
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Args:
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exc_type (Exception): The exception type.
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exc_value (Exception): The exception value.
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exc_traceback (Exception): The exception traceback.
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"""
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self.running = False
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if self.spinner_thread is not None:
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self.spinner_thread.join()
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sys.stdout.write(f"\r{' ' * (len(self.message) + 2)}\r")
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sys.stdout.flush()
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