subprocess-tee
Project description
subprocess-tee
This package provides a drop-in alternative to subprocess.run that
captures the output while still printing it in real-time, just the way
tee does.
Printing output in real-time while still capturing is valuable for any tool that executes long-running child processes. For those, you do want to provide instant feedback (progress) related to what is happening.
# from subprocess import run
from subprocess_tee import run
result = run("echo 123")
result.stdout == "123\n"
You can add tee=False to disable the tee functionality if you want, this
being a much shorter alternative than adding the well known
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL.
Keep in mind that universal_newlines=True is implied as we expect text
processing, this being a divergence from the original subprocess.run.
You can still use check=True in order to make it raise CompletedProcess
exception when the result code is not zero.
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