lhk*_*lhk 3 python sleep suspend
我想写一个简短的python脚本让我的电脑进入睡眠状态.我已经搜索了API,但暂停的唯一结果与延迟执行有关.诀窍是什么功能?
我不知道怎么睡觉.但我知道如何休眠(在Windows上).也许这就足够了?
shutdown.exe
是你的朋友!从命令提示符运行它.
看看它的选择吗
shutdown.exe /?
我相信一个hibernate调用将是:
shutdown.exe /h
所以,将它们放在python中:
import os
os.system("shutdown.exe /h")
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但正如其他人所提到的,使用os.system 是不好的.请改用popen.但是,如果你像我一样懒,它的一个小脚本就是它们!os.system它适合我.
如果您有 pywin32 和 ctypes,则无需诉诸 shell 执行:
import ctypes
import win32api
import win32security
def suspend(hibernate=False):
"""Puts Windows to Suspend/Sleep/Standby or Hibernate.
Parameters
----------
hibernate: bool, default False
If False (default), system will enter Suspend/Sleep/Standby state.
If True, system will Hibernate, but only if Hibernate is enabled in the
system settings. If it's not, system will Sleep.
Example:
--------
>>> suspend()
"""
# Enable the SeShutdown privilege (which must be present in your
# token in the first place)
priv_flags = (win32security.TOKEN_ADJUST_PRIVILEGES |
win32security.TOKEN_QUERY)
hToken = win32security.OpenProcessToken(
win32api.GetCurrentProcess(),
priv_flags
)
priv_id = win32security.LookupPrivilegeValue(
None,
win32security.SE_SHUTDOWN_NAME
)
old_privs = win32security.AdjustTokenPrivileges(
hToken,
0,
[(priv_id, win32security.SE_PRIVILEGE_ENABLED)]
)
if (win32api.GetPwrCapabilities()['HiberFilePresent'] == False and
hibernate == True):
import warnings
warnings.warn("Hibernate isn't available. Suspending.")
try:
ctypes.windll.powrprof.SetSuspendState(not hibernate, True, False)
except:
# True=> Standby; False=> Hibernate
# https://msdn.microsoft.com/pt-br/library/windows/desktop/aa373206(v=vs.85).aspx
# says the second parameter has no effect.
# ctypes.windll.kernel32.SetSystemPowerState(not hibernate, True)
win32api.SetSystemPowerState(not hibernate, True)
# Restore previous privileges
win32security.AdjustTokenPrivileges(
hToken,
0,
old_privs
)
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如果您只想要 pywin32 的一行代码并且已经拥有正确的权限(对于一个简单的个人脚本):
import win32api
win32api.SetSystemPowerState(True, True) # <- if you want to Suspend
win32api.SetSystemPowerState(False, True) # <- if you want to Hibernate
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注意:如果您的系统禁用了休眠功能,它将挂起。在第一个函数中,我添加了一项检查,至少对此发出警告。