35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
from formatters import Printer
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from commands import BaseCommand
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from tree import TreeNode
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class RawCommand(BaseCommand):
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"""Fallback raw command that just invokes an existing Unix utility program
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with the builtin subprocess module. Each output object is just a tree node
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whose data is a simple string."""
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def __init__(self, cmd):
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super(RawCommand, self).__init__()
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self.cmd = cmd
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def call(self, *args, **kwargs):
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input_generator = self.get_input_generator()
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import subprocess
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try:
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p = subprocess.Popen(self.cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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def make_output_generator():
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input_str = b""
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for node in input_generator:
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line = node.data
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input_str += line + b'\n'
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outs, errs = p.communicate(input_str)
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if outs:
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yield TreeNode(outs)
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return make_output_generator
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except:
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import traceback
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traceback.print_exc()
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return []
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