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Viewing changes to bzrlib/version.py

  • Committer: Aaron Bentley
  • Date: 2006-07-11 15:04:57 UTC
  • mto: This revision was merged to the branch mainline in revision 1858.
  • Revision ID: abentley@panoramicfeedback.com-20060711150457-d4c96e9c60843973
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bzrlib/version.py
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# Copyright (C) 2006-2010 Canonical Ltd
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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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"""Report on version of bzrlib"""
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import os
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import sys
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import bzrlib
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from bzrlib import (
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    bzrdir,
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    config,
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    errors,
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    osutils,
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    trace,
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    )
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def show_version(show_config=True, show_copyright=True, to_file=None):
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    import platform
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    if to_file is None:
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        to_file = sys.stdout
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    to_file.write("Bazaar (bzr) %s\n" % bzrlib.__version__)
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    # is bzrlib itself in a branch?
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    src_tree = _get_bzr_source_tree()
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    if src_tree:
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        src_revision_id = src_tree.last_revision()
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        revno = src_tree.branch.revision_id_to_revno(src_revision_id)
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        to_file.write("  from bzr checkout %s\n" % (src_tree.basedir,))
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        to_file.write("    revision: %s\n" % (revno,))
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        to_file.write("    revid: %s\n" % (src_revision_id,))
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        to_file.write("    branch nick: %s\n" % (src_tree.branch.nick,))
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    to_file.write("  Python interpreter: ")
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    # show path to python interpreter
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    # (bzr.exe use python interpreter from pythonXY.dll
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    # but sys.executable point to bzr.exe itself)
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    # however, sys.frozen exists if running from bzr.exe
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    # see http://www.py2exe.org/index.cgi/Py2exeEnvironment
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    if getattr(sys, 'frozen', None) is None: # if not bzr.exe
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        to_file.write(sys.executable + ' ')
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    else:
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        # pythonXY.dll
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        basedir = os.path.dirname(sys.executable)
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        python_dll = "python%d%d.dll" % sys.version_info[:2]
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        to_file.write(os.path.join(basedir, python_dll) + ' ')
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    # and now version of python interpreter
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    to_file.write(bzrlib._format_version_tuple(sys.version_info))
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    to_file.write('\n')
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    to_file.write("  Python standard library:" + ' ')
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    to_file.write(os.path.dirname(os.__file__) + '\n')
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    to_file.write("  Platform: %s\n" % platform.platform(aliased=1))
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    to_file.write("  bzrlib: ")
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    if len(bzrlib.__path__) > 1:
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        # print repr, which is a good enough way of making it clear it's
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        # more than one element (eg ['/foo/bar', '/foo/bzr'])
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        to_file.write(repr(bzrlib.__path__) + '\n')
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    else:
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        to_file.write(bzrlib.__path__[0] + '\n')
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    if show_config:
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        config_dir = os.path.normpath(config.config_dir())  # use native slashes
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        if not isinstance(config_dir, unicode):
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            config_dir = config_dir.decode(osutils.get_user_encoding())
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        to_file.write("  Bazaar configuration: %s\n" % (config_dir,))
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        to_file.write("  Bazaar log file: ")
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        to_file.write(trace._bzr_log_filename + '\n')
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    if show_copyright:
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        to_file.write('\n')
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        to_file.write(bzrlib.__copyright__ + '\n')
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        to_file.write("http://bazaar.canonical.com/\n")
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        to_file.write('\n')
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        to_file.write("bzr comes with ABSOLUTELY NO WARRANTY.  bzr is free software, and\n")
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        to_file.write("you may use, modify and redistribute it under the terms of the GNU\n")
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        to_file.write("General Public License version 2 or later.\n")
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        to_file.write("\nBazaar is part of the GNU Project to produce a free operating "
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                "system.\n")
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    to_file.write('\n')
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def _get_bzr_source_tree():
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    """Return the WorkingTree for bzr source, if any.
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    If bzr is not being run from its working tree, returns None.
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    """
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    try:
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        control = bzrdir.BzrDir.open_containing(__file__)[0]
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        return control.open_workingtree(recommend_upgrade=False)
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    except (errors.NotBranchError, errors.UnknownFormatError,
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            errors.NoWorkingTree):
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        return None