/usr/lib/python2.7/dist-packages/reno/loader.py is in python-reno 2.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
import os.path
import six
import yaml
from reno import scanner
LOG = logging.getLogger(__name__)
def get_cache_filename(conf):
return os.path.normpath(os.path.join(
conf.reporoot, conf.notespath, 'reno.cache'))
class Loader(object):
"Load the release notes for a given repository."
def __init__(self, conf,
ignore_cache=False):
"""Initialize a Loader.
The versions are presented in reverse chronological order.
Notes files are associated with the earliest version for which
they were available, regardless of whether they changed later.
:param conf: Parsed configuration from file
:type conf: reno.config.Config
:param ignore_cache: Do not load a cache file if it is present.
:type ignore_cache: bool
"""
self._config = conf
self._ignore_cache = ignore_cache
self._reporoot = conf.reporoot
self._notespath = conf.notespath
self._branch = conf.branch
self._collapse_pre_releases = conf.collapse_pre_releases
self._earliest_version = conf.earliest_version
self._cache = None
self._scanner = None
self._scanner_output = None
self._cache_filename = get_cache_filename(conf)
self._load_data()
def _load_data(self):
cache_file_exists = os.path.exists(self._cache_filename)
if self._ignore_cache and cache_file_exists:
LOG.debug('ignoring cache file %s', self._cache_filename)
if (not self._ignore_cache) and cache_file_exists:
with open(self._cache_filename, 'r') as f:
self._cache = yaml.safe_load(f.read())
# Save the cached scanner output to the same attribute
# it would be in if we had loaded it "live". This
# simplifies some of the logic in the other methods.
self._scanner_output = {
n['version']: n['files']
for n in self._cache['notes']
}
else:
self._scanner = scanner.Scanner(self._config)
self._scanner_output = self._scanner.get_notes_by_version()
@property
def versions(self):
"A list of all of the versions found."
return list(self._scanner_output.keys())
def __getitem__(self, version):
"Return data about the files that should go into a given version."
return self._scanner_output[version]
def parse_note_file(self, filename, sha):
"""Return the data structure encoded in the note file.
Emit warnings for content that does not look valid in some
way, but return it anyway for backwards-compatibility.
"""
if self._cache:
content = self._cache['file-contents'][filename]
else:
body = self._scanner.get_file_at_commit(filename, sha)
content = yaml.safe_load(body)
cleaned_content = {}
for section_name, section_content in content.items():
if section_name == self._config.prelude_section_name:
if not isinstance(section_content, six.string_types):
LOG.warning(
('The %s section of %s '
'does not parse as a single string. '
'Is the YAML input escaped properly?') %
(self._config.prelude_section_name, filename),
)
else:
if isinstance(section_content, six.string_types):
# A single string is OK, but wrap it with a list
# so the rest of the code can treat the data model
# consistently.
section_content = [section_content]
elif not isinstance(section_content, list):
LOG.warning(
('The %s section of %s '
'does not parse as a string or list of strings. '
'Is the YAML input escaped properly?') % (
section_name, filename),
)
else:
for item in section_content:
if not isinstance(item, six.string_types):
LOG.warning(
('The item %r in the %s section of %s '
'parses as a %s instead of a string. '
'Is the YAML input escaped properly?'
) % (item, section_name,
filename, type(item)),
)
cleaned_content[section_name] = section_content
return cleaned_content
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