Roy
53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
from os import getpid as _getpid
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from subprocess import Popen, check_output, CalledProcessError, PIPE, DEVNULL
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from typing import List
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PID = _getpid()
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def current_command() -> List[str]:
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ret = []
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with open('/proc/%d/cmdline' % PID) as cmdline:
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for content in cmdline:
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for line in content.replace('\0', '\n').split('\n'):
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ret.append(line)
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return ret
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def current_command_header() -> List[str]:
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cmd = current_command()
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for i, content in enumerate(cmd):
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if content.endswith('biopro.main'):
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break
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else:
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raise RuntimeError('cannot reflect current process command line : ' + ' '.join(cmd))
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# force data server storage root
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return cmd[:i + 1]
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def system_call(*argv: str) -> str:
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# print(' '.join(argv))
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output: bytes = check_output(argv, stderr=DEVNULL, cwd='/home/pi/wisetopdataserver')
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return output.decode()
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def system_sudo(*argv: str) -> str:
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# print('sudo ' + ' '.join(argv))
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cmd = ['sudo', '-A']
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cmd.extend(argv)
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with Popen(cmd, stdin=PIPE, stdout=PIPE, stderr=DEVNULL) as process:
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o, _ = process.communicate(b'')
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if process.returncode != 0:
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raise CalledProcessError(process.returncode, cmd)
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return o.decode()
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