wassname/jupyter_contrib_nbextensions
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When configuring, ignore Zombie processes on OS X

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This patch was originally implemented by @jonnybaik, but got
overwritten somewhere along the line. See Issue #431, Issue #432, and
Issue #461
This commit is contained in:
Thomas Baldwin
2016-01-25 08:06:21 -08:00
parent b124adca81
commit ff87285f06
1 changed files with 19 additions and 5 deletions
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configure_nbextensions.py
+19 -5
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@@ -59,11 +59,25 @@ def update_config(config_file):
for p in psutil.process_iter():
if ("python" or "jupyter") in p.name():
c = p.cmdline()
if len(c) == 2 and "jupyter-notebook" in c[1]:
print("Cannot configure while the Jupyter notebook server is running")
exit(1)
# p.name() can crash due to zombie processes on Mac OS X, so
# ignore exceptions due to zombie processes.
# (See https://code.google.com/p/psutil/issues/detail?id=428)
# Also, searching just the process name for string, "jupyter-notebook" may
# not be enough - may have to search the process command to see if
# jupyter-notebook is running. Checking the process command can cause an
# AccessDenied exception to be thrown for system owned processes, so skip
# those as well
try:
if ("python" or "jupyter") in p.name():
c = p.cmdline()
if len(c) == 2 and "jupyter-notebook" in c[1]:
print("Cannot configure while the Jupyter notebook server is running")
exit(1)
# Ignore errors caused by zombie processes. Also ignore access
# denied exceptions that are thrown when checking the process
# comand of processes that do not belong to the user
except (psutil.ZombieProcess, psutil.AccessDenied):
pass
if len(sys.argv) == 2 and sys.argv[1] == "debug":
debug = True