mirror of
https://github.com/HorlogeSkynet/archey4
synced 2025-04-16 16:00:13 +02:00
584d1f3669
This patch (indirectly and partially) adds support for Android & *BSD OSes (see #69). Co-authored-by: Samuel FORESTIER <dev@samuel.domains>
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
"""Simple class (acting as a singleton) to handle processes listing"""
|
|
|
|
import os
|
|
import sys
|
|
|
|
from subprocess import CalledProcessError, DEVNULL, check_output
|
|
|
|
from archey.singleton import Singleton
|
|
|
|
|
|
class Processes(metaclass=Singleton):
|
|
"""At startup, instantiate this class to populate a list of running processes"""
|
|
def __init__(self):
|
|
try:
|
|
self._processes = check_output(
|
|
[
|
|
'ps',
|
|
(('-u' + str(os.getuid())) if os.getuid() != 0 else '-ax'),
|
|
'-o', 'comm',
|
|
'--no-headers'
|
|
],
|
|
universal_newlines=True, stderr=DEVNULL
|
|
).splitlines()
|
|
except CalledProcessError:
|
|
# The available `ps` implementation may not support passed parameters (hello BusyBox).
|
|
# Let's fall-back on a much simpler approach.
|
|
self._processes = check_output(
|
|
['ps', '-o', 'comm'],
|
|
universal_newlines=True
|
|
).splitlines()[1:]
|
|
except FileNotFoundError:
|
|
sys.exit("Please, install first `procps` (or `procps-ng`) on your system.")
|
|
|
|
def get(self):
|
|
"""Simple getter to retrieve the processes list"""
|
|
return self._processes
|