_accelerate.py 文件源码

def get_pid_location(module):
    """
    Try to find a pid directory in the common locations, falling 
    back to the user's home directory if no others exist
    """
    for dir in ['/var/run', '/var/lib/run', '/run', os.path.expanduser("~/")]:
        try:
            if os.path.isdir(dir) and os.access(dir, os.R_OK|os.W_OK):
                return os.path.join(dir, '.accelerate.pid')
        except:
            pass
    module.fail_json(msg="couldn't find any valid directory to use for the accelerate pid file")


# NOTE: this shares a fair amount of code in common with async_wrapper, if async_wrapper were a new module we could move
# this into utils.module_common and probably should anyway