blob: 7696734852b3251ed825c5d1ea7033d6b04d891b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import subprocess
import os
from portage.sets.base import PackageSet, SetConfigError
__all__ = ["CommandOutputSet"]
class CommandOutputSet(PackageSet):
"""This class creates a PackageSet from the output of a shell command.
The shell command should produce one atom per line, that is:
>>> atom1
atom2
...
atomN
Args:
name: A string that identifies the set.
command: A string or sequence identifying the command to run
(see the subprocess.Popen documentaion for the format)
"""
_operations = ["merge", "unmerge"]
def __init__(self, command):
super(CommandOutputSet, self).__init__()
self._command = command
self.description = "Package set generated from output of '%s'" % self._command
def load(self):
pipe = subprocess.Popen(self._command, stdout=subprocess.PIPE, shell=True)
if pipe.wait() == os.EX_OK:
text = pipe.stdout.read()
self._setAtoms(text.split("\n"))
def singleBuilder(self, options, setconfig):
if not command in options:
raise SetConfigError("no command specified")
return CommandOutputSet(options["command"])
|