subprocess.Popen._cleanup() "The handle is invalid" error when some old process is gone · Issue #81561 · python/cpython · GitHub
1.4.5] `subprocess.Popen` in Python script might throw OS exception on large `java_cmd` values · Issue #1240 · playframework/play1 · GitHub
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python - What difference between subprocess.call() and subprocess.Popen() makes PIPE less secure for the former? - Stack Overflow
GitHub - python-useful-helpers/exec-helpers: Helpers for dealing with python .subprocess.Popen and paramiko.
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