/usr/lib/python2.7/dist-packages/bzrlib/version_info_formats/__init__.py is in python-bzrlib 2.7.0-2ubuntu3.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | # Copyright (C) 2005, 2006 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Routines for extracting all version information from a bzr branch."""
from __future__ import absolute_import
import time
from bzrlib.osutils import local_time_offset, format_date
from bzrlib import (
registry,
revision as _mod_revision,
)
def create_date_str(timestamp=None, offset=None):
"""Just a wrapper around format_date to provide the right format.
We don't want to use '%a' in the time string, because it is locale
dependant. We also want to force timezone original, and show_offset
Without parameters this function yields the current date in the local
time zone.
"""
if timestamp is None and offset is None:
timestamp = time.time()
offset = local_time_offset()
return format_date(timestamp, offset, date_fmt='%Y-%m-%d %H:%M:%S',
timezone='original', show_offset=True)
class VersionInfoBuilder(object):
"""A class which lets you build up information about a revision."""
def __init__(self, branch, working_tree=None,
check_for_clean=False,
include_revision_history=False,
include_file_revisions=False,
template=None,
revision_id=None):
"""Build up information about the given branch.
If working_tree is given, it can be checked for changes.
:param branch: The branch to work on
:param working_tree: If supplied, preferentially check
the working tree for changes.
:param check_for_clean: If False, we will skip the expense
of looking for changes.
:param include_revision_history: If True, the output
will include the full mainline revision history, including
date and message
:param include_file_revisions: The output should
include the explicit last-changed revision for each file.
:param template: Template for the output formatting, not used by
all builders.
:param revision_id: Revision id to print version for (optional)
"""
self._branch = branch
self._check = check_for_clean
self._include_history = include_revision_history
self._include_file_revs = include_file_revisions
self._template = template
self._clean = None
self._file_revisions = {}
self._revision_id = revision_id
if self._revision_id is None:
self._tree = working_tree
self._working_tree = working_tree
else:
self._tree = self._branch.repository.revision_tree(self._revision_id)
# the working tree is not relevant if an explicit revision was specified
self._working_tree = None
def _extract_file_revisions(self):
"""Extract the working revisions for all files"""
# Things seem clean if we never look :)
self._clean = True
if self._working_tree is self._tree:
basis_tree = self._working_tree.basis_tree()
# TODO: jam 20070215 The working tree should actually be locked at
# a higher level, but this will do for now.
self._working_tree.lock_read()
else:
basis_tree = self._branch.repository.revision_tree(self._revision_id)
basis_tree.lock_read()
try:
# Build up the list from the basis inventory
for info in basis_tree.list_files(include_root=True):
self._file_revisions[info[0]] = info[-1].revision
if not self._check or self._working_tree is not self._tree:
return
delta = self._working_tree.changes_from(basis_tree,
include_root=True)
# Using a 2-pass algorithm for renames. This is because you might have
# renamed something out of the way, and then created a new file
# in which case we would rather see the new marker
# Or you might have removed the target, and then renamed
# in which case we would rather see the renamed marker
for (old_path, new_path, file_id,
kind, text_mod, meta_mod) in delta.renamed:
self._clean = False
self._file_revisions[old_path] = u'renamed to %s' % (new_path,)
for path, file_id, kind in delta.removed:
self._clean = False
self._file_revisions[path] = 'removed'
for path, file_id, kind in delta.added:
self._clean = False
self._file_revisions[path] = 'new'
for (old_path, new_path, file_id,
kind, text_mod, meta_mod) in delta.renamed:
self._clean = False
self._file_revisions[new_path] = u'renamed from %s' % (old_path,)
for path, file_id, kind, text_mod, meta_mod in delta.modified:
self._clean = False
self._file_revisions[path] = 'modified'
for path in self._working_tree.unknowns():
self._clean = False
self._file_revisions[path] = 'unversioned'
finally:
basis_tree.unlock()
if self._working_tree is not None:
self._working_tree.unlock()
def _iter_revision_history(self):
"""Find the messages for all revisions in history."""
last_rev = self._get_revision_id()
repository = self._branch.repository
repository.lock_read()
try:
graph = repository.get_graph()
revhistory = list(graph.iter_lefthand_ancestry(
last_rev, [_mod_revision.NULL_REVISION]))
for revision_id in reversed(revhistory):
rev = repository.get_revision(revision_id)
yield (rev.revision_id, rev.message,
rev.timestamp, rev.timezone)
finally:
repository.unlock()
def _get_revision_id(self):
"""Get the revision id we are working on."""
if self._revision_id is not None:
return self._revision_id
if self._working_tree is not None:
return self._working_tree.last_revision()
return self._branch.last_revision()
def _get_revno_str(self, revision_id):
numbers = self._branch.revision_id_to_dotted_revno(revision_id)
revno_str = '.'.join([str(num) for num in numbers])
return revno_str
def generate(self, to_file):
"""Output the version information to the supplied file.
:param to_file: The file to write the stream to. The output
will already be encoded, so to_file should not try
to change encodings.
:return: None
"""
raise NotImplementedError(VersionInfoBuilder.generate)
format_registry = registry.Registry()
format_registry.register_lazy(
'rio',
'bzrlib.version_info_formats.format_rio',
'RioVersionInfoBuilder',
'Version info in RIO (simple text) format (default).')
format_registry.default_key = 'rio'
format_registry.register_lazy(
'python',
'bzrlib.version_info_formats.format_python',
'PythonVersionInfoBuilder',
'Version info in Python format.')
format_registry.register_lazy(
'custom',
'bzrlib.version_info_formats.format_custom',
'CustomVersionInfoBuilder',
'Version info in Custom template-based format.')
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