/usr/lib/python2.7/dist-packages/bzrlib/version_info_formats/format_custom.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 | # Copyright (C) 2007 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
"""A generator which creates a template-based output from the current
tree info."""
from __future__ import absolute_import
from bzrlib import errors
from bzrlib.revision import (
NULL_REVISION,
)
from bzrlib.lazy_regex import lazy_compile
from bzrlib.version_info_formats import (
create_date_str,
VersionInfoBuilder,
)
class Template(object):
"""A simple template engine.
>>> t = Template()
>>> t.add('test', 'xxx')
>>> print list(t.process('{test}'))
['xxx']
>>> print list(t.process('{test} test'))
['xxx', ' test']
>>> print list(t.process('test {test}'))
['test ', 'xxx']
>>> print list(t.process('test {test} test'))
['test ', 'xxx', ' test']
>>> print list(t.process('{test}\\\\n'))
['xxx', '\\n']
>>> print list(t.process('{test}\\n'))
['xxx', '\\n']
"""
_tag_re = lazy_compile('{(\w+)}')
def __init__(self):
self._data = {}
def add(self, name, value):
self._data[name] = value
def process(self, tpl):
tpl = tpl.decode('string_escape')
pos = 0
while True:
match = self._tag_re.search(tpl, pos)
if not match:
if pos < len(tpl):
yield tpl[pos:]
break
start, end = match.span()
if start > 0:
yield tpl[pos:start]
pos = end
name = match.group(1)
try:
data = self._data[name]
except KeyError:
raise errors.MissingTemplateVariable(name)
if not isinstance(data, basestring):
data = str(data)
yield data
class CustomVersionInfoBuilder(VersionInfoBuilder):
"""Create a version file based on a custom template."""
def generate(self, to_file):
if self._template is None:
raise errors.NoTemplate()
info = Template()
info.add('build_date', create_date_str())
info.add('branch_nick', self._branch.nick)
revision_id = self._get_revision_id()
if revision_id == NULL_REVISION:
info.add('revno', 0)
else:
info.add('revno', self._get_revno_str(revision_id))
info.add('revision_id', revision_id)
rev = self._branch.repository.get_revision(revision_id)
info.add('date', create_date_str(rev.timestamp, rev.timezone))
if self._check:
self._extract_file_revisions()
if self._check:
if self._clean:
info.add('clean', 1)
else:
info.add('clean', 0)
to_file.writelines(info.process(self._template))
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