1
# Copyright (C) 2004, 2005 by Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
# TODO: Perhaps rather than mapping options and arguments back and
18
# forth, we should just pass in the whole argv, and allow
19
# ExternalCommands to handle it differently to internal commands?
24
from bzrlib.commands import Command
27
class ExternalCommand(Command):
28
"""Class to wrap external commands."""
31
def find_command(cls, cmd):
33
bzrpath = os.environ.get('BZRPATH', '')
35
for dir in bzrpath.split(os.pathsep):
36
path = os.path.join(dir, cmd)
37
if os.path.isfile(path):
38
return ExternalCommand(path)
43
def __init__(self, path):
48
return self.path.split(os.sep)[-1]
51
def run(self, *args, **kwargs):
52
raise NotImplementedError('should not be called on %r' % self)
55
def run_argv(self, argv):
56
return os.spawnv(os.P_WAIT, self.path, [self.path] + argv)
60
m = 'external command from %s\n\n' % self.path
61
pipe = os.popen('%s --help' % self.path)
62
return m + pipe.read()
added
removed
bzrlib/externalcommand.py
