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Viewing changes to breezy/version.py

  • Committer: Jelmer Vernooij
  • Date: 2020-02-07 02:14:30 UTC
  • mto: This revision was merged to the branch mainline in revision 7492.
  • Revision ID: jelmer@jelmer.uk-20200207021430-m49iq3x4x8xlib6x
Drop python2 support.

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breezy/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 breezy"""
 
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from __future__ import absolute_import
 
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import os
 
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import platform
 
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import sys
 
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import breezy
 
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from . import (
 
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    bedding,
 
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    controldir,
 
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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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    if to_file is None:
 
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        to_file = sys.stdout
 
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    to_file.write("Breezy (brz) %s\n" % breezy.__version__)
 
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    # is breezy itself in a branch?
 
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    src_tree = _get_brz_source_tree()
 
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    if src_tree:
 
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        src_revision_id = src_tree.last_revision()
 
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        to_file.write("  from brz checkout %s\n" % (src_tree.basedir,))
 
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        try:
 
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            revno = src_tree.branch.revision_id_to_revno(src_revision_id)
 
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        except errors.GhostRevisionsHaveNoRevno:
 
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            pass
 
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        else:
 
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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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    # (brz.exe use python interpreter from pythonXY.dll
 
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    # but sys.executable point to brz.exe itself)
 
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    # however, sys.frozen exists if running from brz.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 brz.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(breezy._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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    platform_str = platform.platform(aliased=1)
 
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    if not isinstance(platform_str, str):
 
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        platform_str = platform_str.decode('utf-8')
 
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    to_file.write("  Platform: %s\n" % platform_str)
 
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    to_file.write("  breezy: ")
 
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    if len(breezy.__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/brz'])
 
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        to_file.write(repr(breezy.__path__) + '\n')
 
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    else:
 
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        to_file.write(breezy.__path__[0] + '\n')
 
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    if show_config:
 
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        config_dir = osutils.normpath(
 
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            bedding.config_dir())  # use native slashes
 
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        if not isinstance(config_dir, str):
 
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            config_dir = config_dir.decode(osutils.get_user_encoding())
 
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        to_file.write("  Breezy configuration: %s\n" % (config_dir,))
 
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        to_file.write("  Breezy log file: ")
 
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        to_file.write(trace._brz_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(breezy.__copyright__ + '\n')
 
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        to_file.write("https://www.breezy-vcs.org/\n")
 
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        to_file.write('\n')
 
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        to_file.write(
 
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            "brz comes with ABSOLUTELY NO WARRANTY.  brz is free software, and\n")
 
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        to_file.write(
 
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            "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('\n')
 
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def _get_brz_source_tree():
 
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    """Return the WorkingTree for brz source, if any.
 
106
 
 
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    If brz is not being run from its working tree, returns None.
 
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    """
 
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    try:
 
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        control = controldir.ControlDir.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