python (3.12.0)
1 # Copyright 2016 Étienne Bersac
2 # Copyright 2016 Julien Danjou
3 # Copyright 2016 Joshua Harlow
4 # Copyright 2013-2014 Ray Holder
5 #
6 # Licensed under the Apache License, Version 2.0 (the "License");
7 # you may not use this file except in compliance with the License.
8 # You may obtain a copy of the License at
9 #
10 # http://www.apache.org/licenses/LICENSE-2.0
11 #
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
17
18 import time
19 import typing
20
21 if typing.TYPE_CHECKING:
22 import threading
23
24
25 def sleep(seconds: float) -> None:
26 """
27 Sleep strategy that delays execution for a given number of seconds.
28
29 This is the default strategy, and may be mocked out for unit testing.
30 """
31 time.sleep(seconds)
32
33
34 class ESC[4;38;5;81msleep_using_event:
35 """Sleep strategy that waits on an event to be set."""
36
37 def __init__(self, event: "threading.Event") -> None:
38 self.event = event
39
40 def __call__(self, timeout: typing.Optional[float]) -> None:
41 # NOTE(harlowja): this may *not* actually wait for timeout
42 # seconds if the event is set (ie this may eject out early).
43 self.event.wait(timeout=timeout)
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