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From 1694ab2ab3628cead18ba7aa59e134e80675c601 Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Fri, 30 Nov 2018 11:50:34 -0500
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Subject: [PATCH 1/2] python-linux-procfs: pflags: Use argparse to create a
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help option
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The purpose of this change is to create a -h or --help option.
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In addition the handling of pids or process names is improved. Instead of a
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command separated list (without spaces), the more standard unix way of
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space separated command line arguments are used.
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This is explained in the help.
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./pflags -h
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usage: pflags [-h] [pid [pid ...]]
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Print process flags
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positional arguments:
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pid a list of pids or names
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optional arguments:
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-h, --help show this help message and exit
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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pflags-cmd.py | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/pflags-cmd.py b/pflags-cmd.py
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index 9228c688e7a2..f180ed505977 100755
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--- a/pflags-cmd.py
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+++ b/pflags-cmd.py
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@@ -15,6 +15,7 @@
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# General Public License for more details.
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import procfs, re, fnmatch, sys
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+import argparse
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ps = None
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@@ -35,8 +36,13 @@ def main(argv):
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global ps
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ps = procfs.pidstats()
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+ parser = argparse.ArgumentParser(description='Print process flags')
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+ parser.add_argument('pid', nargs='*', help='a list of pids or names')
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+ args = parser.parse_args()
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+
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if (len(argv) > 1):
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- pids = reduce(lambda i, j: i + j, map(thread_mapper, argv[1].split(",")))
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+ pids = args.pid
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+ pids = reduce(lambda i, j: i + j, list(map(thread_mapper, pids)))
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else:
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pids = ps.processes.keys()
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--
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2.19.2
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