Python Subprocess Return Value

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Python Subprocess Return Value

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PYTHON What Is The Return Value Of Subprocess call YouTube

Basic Usage of the Python subprocess Module The Timer Example The Use of subprocess to Run Any App The CompletedProcess Object subprocess Exceptions CalledProcessError for Non Zero Exit Code TimeoutExpired for Processes That Take Too Long FileNotFoundError for Programs That Don t Exist An Example of Exception Handling The simple answer for Python 2.7 would be subprocess.check_output(); in Python 3.5+ you will also want to look at subprocess.run(). ... as subprocess.call only return the returncode, but no means of accessing any of the streams. That's if using 2.6, if using 2.7 @Sergi answer could be used - Willyfrog. Nov 12, 2012 at 12:17. 20

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Python Subprocess Return Value1 Answer Sorted by: 4 Python writes its version information to stderr (variable error, in your code) - like most other products. Nothing was written to stdout. You will notice that the variable ver was printed, it was an empty string. You also failed to direct stderr: The subprocess module allows you to spawn new processes connect to their input output error pipes and obtain their return codes This module intends to replace several older modules and functions os system os spawn

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