python - How can I specify working directory for popen

Question

Is there a way to specify the running directory of command in Python's subprocess.Popen()?

For example:

Popen('c:mytoolool.exe', workingdir='d:estlocal')

My Python script is located in C:programspython

Is is possible to run C:mytoolool.exe in the directory D:estlocal?

How do I set the working directory for a sub-process?

Answer 1

subprocess.Popen takes a cwd argument to set the Current Working Directory; you'll also want to escape your backslashes ('d:\test\local'), or use r'd:estlocal' so that the backslashes aren't interpreted as escape sequences by Python. The way you have it written, the part will be translated to a tab.

So, your new line should look like:

subprocess.Popen(r'c:mytoolool.exe', cwd=r'd:estlocal')

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To use your Python script path as cwd, import os and define cwd using this:

os.path.dirname(os.path.realpath(__file__))