102 lines
2.7 KiB
Python
102 lines
2.7 KiB
Python
import os
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import sys
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import threading
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import time
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from termcolor import colored
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from cpl.console.background_color_enum import BackgroundColorEnum
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from cpl.console.foreground_color_enum import ForegroundColorEnum
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class SpinnerThread(threading.Thread):
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def __init__(self, msg_len: int, foreground_color: ForegroundColorEnum, background_color: BackgroundColorEnum):
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"""
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Thread to show spinner in terminal
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:param msg_len:
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:param foreground_color:
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:param background_color:
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"""
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threading.Thread.__init__(self)
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self._msg_len = msg_len
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self._foreground_color = foreground_color
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self._background_color = background_color
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self._is_spinning = True
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self._exit = False
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@staticmethod
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def _spinner():
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"""
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Selects active spinner char
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:return:
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"""
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while True:
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for cursor in '|/-\\':
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yield cursor
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def _get_color_args(self) -> list[str]:
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"""
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Creates color arguments
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:return:
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"""
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color_args = []
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if self._foreground_color is not None:
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color_args.append(str(self._foreground_color.value))
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if self._background_color is not None:
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color_args.append(str(self._background_color.value))
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return color_args
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def run(self) -> None:
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"""
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Entry point ohf thread, shows the spinner
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:return:
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"""
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rows, columns = os.popen('stty size', 'r').read().split()
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end_msg = 'done'
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end_msg_pos = int(columns) - self._msg_len - len(end_msg)
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if end_msg_pos > 0:
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print(f'{"" : >{end_msg_pos}}', end='')
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else:
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print('', end='')
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first = True
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spinner = self._spinner()
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while self._is_spinning:
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if first:
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first = False
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print(colored(f'{next(spinner): >{len(end_msg) - 1}}', *self._get_color_args()), end='')
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else:
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print(colored(f'{next(spinner): >{len(end_msg)}}', *self._get_color_args()), end='')
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time.sleep(0.1)
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back = ''
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for i in range(0, len(end_msg)):
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back += '\b'
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print(back, end='')
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sys.stdout.flush()
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if not self._exit:
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print(colored(end_msg, *self._get_color_args()), end='')
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def stop_spinning(self):
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"""
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Stops the spinner
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:return:
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"""
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self._is_spinning = False
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time.sleep(0.1)
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def exit(self):
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"""
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Stops the spinner
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:return:
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"""
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self._is_spinning = False
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self._exit = True
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time.sleep(0.1)
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