当我尝试运行一个简单的子流程行时,我遇到了一个奇怪的错误。我经常在需要该程序运行的计算机上收到“OSError: [WinError 193] %1 不是有效的 Win32 应用程序”,即使相同的代码行在另一台计算机上运行以打开随机文本文件.当我使用 os.system([path]) 时它可以工作,但我需要代码继续而不是等待被关闭。 这是我得到的一个例子
import subprocess
import os
open = subprocess.Popen('C://Users//z004c50a//Desktop//Thisworksfolder//thisWorks3.txt')
#open = os.system('C://Users//z004c50a//Desktop//Thisworksfolder//thisWorks3.txt')
输出:
使用 os.system 工作但暂停代码,所以我想使用 subprocess 方法,但这给了我以下错误:
Traceback (most recent call last):
File "C:\Users\z004c50a\Desktop\PythonApplication2\PythonApplication2\PythonApplication2.py", line 4, in <module>
open = subprocess.Popen('C://Users//z004c50a//Desktop//Thisworksfolder//thisWorks3.txt')
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 800, in __init__
restore_signals, start_new_session)
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 1207, in _execute_child
startupinfo)
OSError: [WinError 193] %1 is not a valid Win32 application
Press any key to continue . . .
我尝试了很多 stdout = subprocess.pipe, shell = True
等的变体
另一个可以在其他地方运行而不是在计算机上运行的程序,我需要它才能运行...
///////////////////////////////////////////// /////////////////////////////////////////////////< /p>
#Iterate through path objects, find all that end with .txt
#This is the intial loop that
for item in p.glob('**/*'):
if item.suffix in (['.txt']):
name = item.name
path = Path.resolve(item).parent
size = item.stat().st_size
modified = datetime.fromtimestamp(item.stat().st_mtime)
files.append(File(name, path, size, modified))
pathName = '"' + str(path) + '\\' + str(name) + '"'
updateFile.write("\n" + pathName)
print(pathName)
open = subprocess.call(pathName) #open the file
#open = os.system(pathName) #open the file
sys.exit()
输出:
"C:\Users\z004c50a\Desktop\ThisWorksfolder\thisWorks3.txt"
Traceback (most recent call last):
File "C:\Users\z004c50a\Desktop\PythonCadMigration\PythonCadMigration\PythonCadMigration.py", line 71, in <module>
open = subprocess.call(pathName) #open the file
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 339, in call
with Popen(*popenargs, **kwargs) as p:
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 800, in __init__
restore_signals, start_new_session)
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 1207, in _execute_child
startupinfo)
OSError: [WinError 193] %1 is not a valid Win32 application
Press any key to continue . . .
///////////////////////////////////////////// /////////////////////////////////////////
当我将 shell 设置为 true subprocess.Popen('C://Users//z004c50a//Desktop//Thisworksfolder//thisWorks3.txt', shell = True)
时,我收到一个错误 FileNotFoundError: [WinError 2] 这更奇怪,因为如果我在 cmd 中输入该路径,那么它会像平常一样打开所以我知道文件在那里。这是一个例子
///////////////////////////////////////////// ///////////////////////////////////////////
import subprocess
subprocess.run("dir", shell =True)
输出
Traceback (most recent call last):
File "C:\Users\z004c50a\Desktop\PythonCadMigration\PythonCadMigration\PythonCadMigration.py", line 32, in <module>
subprocess.run("dir", shell =True)
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 488, in run
with Popen(*popenargs, **kwargs) as process:
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 800, in __init__
restore_signals, start_new_session)
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\subprocess.py", line 1207, in _execute_child
startupinfo)
FileNotFoundError: [WinError 2] The system cannot find the file specified
Press any key to continue . . .
///////////////////////////////////////////// /////////////////////////////////////////////
我已经检查了我的路径,不相信这是问题所在,但我非常愿意接受有关该问题的任何帮助。提前致谢
答案 0 :(得分:0)
我只用过一次 subprocess.Popen
,但它有效。
subprocess.Popen([sys.executable, 'wintest.py'])
看起来第一个接受的 arg
应该是第二个索引中包含文件路径的列表。