Hello,
I am new in Python programming and I have the following problem:
I have a script in which I need to open an application (called from a batch
file - "trace.bat"). For this purpuse, I'm executing the following piece of
code:
Â
import os, win32process
from win32api import Sleep
from ctypes import windll, c_double
amt = windll.LoadLibrary("D:\\Marian\\Proiecte\\AMT\\Libs\\AMT_Temp_DLL.dll")
amt.InitUIForDLL()
amt.SetKL30()
Sleep(1000)
amt.SetKL15()
Sleep(1000)
os.chdir("D:\\Marian\\Proiecte\\AMT\\Trace")
os.startfile("launch_trace.bat")
#subprocess.call("D:\\Marian\\Proiecte\\AMT\\Trace\\trace.bat")
#pr = win32process.CreateProcess(None,
"D:\\Marian\\Proiecte\\AMT\\Trace\\trace.bat", None, None, 0,
win32process.NORMAL_PRIORITY_CLASS, None, None, win32process.STARTUPINFO())
print "OK!!!"
....
....
....
....
But, when I call the "os.startfile("launch_trace.bat")" command, the program
prompter appears, but the program called in the batch file is opened ONLY after
the whole script has finished the execution.
Unfortunatley, after this line there are some very important things that has to
be executed in the right order. I mean, the execution of the batch file is
important for the rest of the code.
What is strange is that if I execute this code step-by-step, using the
debugger, or if I put a breakpoint on the "launch_trace" line and then I step
on it, everything is working fine - the Trace application is launced correctly.
Could anyone help in this direction? I need to launch the application and after
this I want to continue the execution of the script.
Thank you in advance!
P.S. I've also tried with processes (see the commented lines) and I get the
same problems; for MSWord application, the behavior is the same - it is
launched after the script ends. Also, I have to mention that I don't have a DLL
of this application and it is not a COM application in order to control it from
Python.
Marian
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