python异常错误子进程文件丢失-但是哪个文件?
我有一个在python 2.7.3(windows)上运行的代码,我尝试在python 2.7.8(windows)上运行它,并得到以下错误: 主:信息**启动主**python异常错误子进程文件丢失-但是哪个文件?,python,windows,python-2.7,Python,Windows,Python 2.7,我有一个在python 2.7.3(windows)上运行的代码,我尝试在python 2.7.8(windows)上运行它,并得到以下错误: 主:信息**启动主** Traceback (most recent call last): File "C:\wamp\www\prenderer\src\main.py", line 82, in <module> nuke_process = launch_nuke() File "C:\wamp\www\prender
Traceback (most recent call last):
File "C:\wamp\www\prenderer\src\main.py", line 82, in <module>
nuke_process = launch_nuke()
File "C:\wamp\www\prenderer\src\main.py", line 31, in launch_nuke
query = subprocess.Popen(r"query process", stdout=subprocess.PIPE)
File "F:\python27\lib\subprocess.py", line 710, in __init__
errread, errwrite)
File "F:\python27\lib\subprocess.py", line 958, in _execute_child
startupinfo)
WindowsError: [Error 2] The system cannot find the file specified
>>>
回溯(最近一次呼叫最后一次):
文件“C:\wamp\www\prenderer\src\main.py”,第82行,在
核武器进程=发射核武器()
文件“C:\wamp\www\prenderer\src\main.py”,第31行,在launch_nuke中
query=subprocess.Popen(r“query process”,stdout=subprocess.PIPE)
文件“F:\python27\lib\subprocess.py”,第710行,在_init中__
错误读取,错误写入)
文件“F:\python27\lib\subprocess.py”,第958行,在执行子进程中
startupinfo)
WindowsError:[错误2]系统找不到指定的文件
>>>
怎么了?传递
shell=True
参数:
query = subprocess.Popen(r"query process", stdout=subprocess.PIPE, shell=True)
或将命令行参数作为列表传递:
query = subprocess.Popen(["query", "process"], stdout=subprocess.PIPE)
否则,将查询过程
识别为程序,而不是查询