35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
import subprocess
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from platypush.plugins import Plugin, action
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class ShellPlugin(Plugin):
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"""
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Plugin to run custom shell commands.
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"""
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@action
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def exec(self, cmd, ignore_errors=False):
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"""
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Execute a command.
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:param cmd: Command to execute
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:type cmd: str
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:param ignore_errors: If set, then any errors in the command execution will be ignored. Otherwise a RuntimeError will be thrown (default value: False)
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:returns: A response object where the ``output`` field will contain the command output as a string, and the ``errors`` field will contain whatever was sent to stderr.
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"""
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try:
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return subprocess.check_output(
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cmd, stderr=subprocess.STDOUT, shell=True).decode('utf-8')
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except subprocess.CalledProcessError as e:
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if ignore_errors:
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self.logger.warning('Command {} failed with error: {}'.format(
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cmd, e.output.decode('utf-8')))
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else:
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raise RuntimeError(e.output.decode('utf-8'))
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# vim:sw=4:ts=4:et:
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