1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
# Copyright (C) 2017-2024 Vanessa Sochat.
# This Source Code Form is subject to the terms of the
# Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed
# with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
import sys
import threading
import time
from random import choice
class Spinner:
spinning = False
delay = 0.1
@staticmethod
def spinning_cursor():
while 1:
for cursor in "|/-\\":
yield cursor
@staticmethod
def balloons_cursor():
while 1:
for cursor in ". o O @ *":
yield cursor
@staticmethod
def changing_arrows():
while 1:
for cursor in "<^>v":
yield cursor
def select_generator(self, generator):
if generator is None:
generator = choice(["cursor", "arrow", "balloons"])
return generator
def __init__(self, delay=None, generator=None):
generator = self.select_generator(generator)
if generator == "cursor":
self.spinner_generator = self.spinning_cursor()
elif generator == "arrow":
self.spinner_generator = self.changing_arrows()
elif generator == "balloons":
self.spinner_generator = self.balloons_cursor()
if delay is None:
delay = 0.2
else:
self.spinner_generator = self.spinning_cursor()
if delay and float(delay):
self.delay = delay
def run(self):
while self.spinning:
sys.stdout.write(next(self.spinner_generator))
sys.stdout.flush()
time.sleep(self.delay)
sys.stdout.write("\b")
sys.stdout.flush()
def start(self):
self.spinning = True
threading.Thread(target=self.run).start()
def stop(self):
self.spinning = False
time.sleep(self.delay)
|
