__main__.py 文件源码

def __running():
    """
    Check if SafeEyes is already running.
    """
    process_count = 0
    for proc in psutil.process_iter():
        if not proc.cmdline:
            continue
        try:
            # Check if safeeyes is in process arguments
            if callable(proc.cmdline):
                # Latest psutil has cmdline function
                cmd_line = proc.cmdline()
            else:
                # In older versions cmdline was a list object
                cmd_line = proc.cmdline
            if ('python3' in cmd_line[0] or 'python' in cmd_line[0]) and ('safeeyes' in cmd_line[1] or 'safeeyes' in cmd_line):
                process_count += 1
                if process_count > 1:
                    return True

        # Ignore if process does not exist or does not have command line args
        except (IndexError, psutil.NoSuchProcess):
            pass
    return False