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