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  • Committer: Robert Collins
  • Date: 2005-10-16 22:31:25 UTC
  • mto: This revision was merged to the branch mainline in revision 1458.
  • Revision ID: robertc@lifelesslap.robertcollins.net-20051016223125-26d4401cb94b7b82
Branch.relpath has been moved to WorkingTree.relpath.

WorkingTree no no longer takes an inventory, rather it takes an optional branch
parameter, and if None is given will open the branch at basedir implicitly.

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bzrlib/gpg.py
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# Copyright (C) 2005 Canonical Ltd
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#   Authors: Robert Collins <robert.collins@canonical.com>
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#
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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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#
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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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#
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""GPG signing and checking logic."""
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import os
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import sys
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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import errno
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import subprocess
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from bzrlib import (
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    errors,
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    trace,
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    ui,
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    )
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""")
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class DisabledGPGStrategy(object):
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    """A GPG Strategy that makes everything fail."""
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    def __init__(self, ignored):
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        """Real strategies take a configuration."""
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    def sign(self, content):
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        raise errors.SigningFailed('Signing is disabled.')
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class LoopbackGPGStrategy(object):
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    """A GPG Strategy that acts like 'cat' - data is just passed through."""
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    def __init__(self, ignored):
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        """Real strategies take a configuration."""
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    def sign(self, content):
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        return ("-----BEGIN PSEUDO-SIGNED CONTENT-----\n" + content +
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                "-----END PSEUDO-SIGNED CONTENT-----\n")
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def _set_gpg_tty():
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    tty = os.environ.get('TTY')
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    if tty is not None:
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        os.environ['GPG_TTY'] = tty
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        trace.mutter('setting GPG_TTY=%s', tty)
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    else:
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        # This is not quite worthy of a warning, because some people
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        # don't need GPG_TTY to be set. But it is worthy of a big mark
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        # in ~/.bzr.log, so that people can debug it if it happens to them
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        trace.mutter('** Env var TTY empty, cannot set GPG_TTY.'
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                     '  Is TTY exported?')
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class GPGStrategy(object):
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    """GPG Signing and checking facilities."""
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    def _command_line(self):
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        return [self._config.gpg_signing_command(), '--clearsign']
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    def __init__(self, config):
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        self._config = config
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    def sign(self, content):
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        if isinstance(content, unicode):
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            raise errors.BzrBadParameterUnicode('content')
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        ui.ui_factory.clear_term()
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        preexec_fn = _set_gpg_tty
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        if sys.platform == 'win32':
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            # Win32 doesn't support preexec_fn, but wouldn't support TTY anyway.
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            preexec_fn = None
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        try:
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            process = subprocess.Popen(self._command_line(),
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                                       stdin=subprocess.PIPE,
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                                       stdout=subprocess.PIPE,
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                                       preexec_fn=preexec_fn)
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            try:
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                result = process.communicate(content)[0]
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                if process.returncode is None:
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                    process.wait()
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                if process.returncode != 0:
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                    raise errors.SigningFailed(self._command_line())
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                return result
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            except OSError, e:
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                if e.errno == errno.EPIPE:
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                    raise errors.SigningFailed(self._command_line())
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                else:
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                    raise
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        except ValueError:
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            # bad subprocess parameters, should never happen.
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            raise
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        except OSError, e:
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            if e.errno == errno.ENOENT:
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                # gpg is not installed
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                raise errors.SigningFailed(self._command_line())
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            else:
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                raise