ansible-later/env_27/lib/python2.7/site-packages/ansible/utils/plugin_docs.py
2019-04-11 13:00:36 +02:00

130 lines
4.7 KiB
Python

# (c) 2012, Jan-Piet Mens <jpmens () gmail.com>
#
# This file is part of Ansible
#
# Ansible 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 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
#
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from collections import MutableMapping, MutableSet, MutableSequence
from ansible.errors import AnsibleError, AnsibleAssertionError
from ansible.module_utils.six import string_types
from ansible.module_utils._text import to_native
from ansible.parsing.plugin_docs import read_docstring, read_docstub
from ansible.parsing.yaml.loader import AnsibleLoader
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
# modules that are ok that they do not have documentation strings
BLACKLIST = {
'MODULE': frozenset(('async_wrapper',)),
'CACHE': frozenset(('base',)),
}
def merge_fragment(target, source):
for key, value in source.items():
if key in target:
# assumes both structures have same type
if isinstance(target[key], MutableMapping):
value.update(target[key])
elif isinstance(target[key], MutableSet):
value.add(target[key])
elif isinstance(target[key], MutableSequence):
value = sorted(frozenset(value + target[key]))
else:
raise Exception("Attempt to extend a documentation fragement, invalid type for %s" % key)
target[key] = value
def add_fragments(doc, filename, fragment_loader):
fragments = doc.pop('extends_documentation_fragment', [])
if isinstance(fragments, string_types):
fragments = [fragments]
# Allow the module to specify a var other than DOCUMENTATION
# to pull the fragment from, using dot notation as a separator
for fragment_slug in fragments:
fragment_slug = fragment_slug.lower()
if '.' in fragment_slug:
fragment_name, fragment_var = fragment_slug.split('.', 1)
fragment_var = fragment_var.upper()
else:
fragment_name, fragment_var = fragment_slug, 'DOCUMENTATION'
fragment_class = fragment_loader.get(fragment_name)
if fragment_class is None:
raise AnsibleAssertionError('fragment_class is None')
fragment_yaml = getattr(fragment_class, fragment_var, '{}')
fragment = AnsibleLoader(fragment_yaml, file_name=filename).get_single_data()
if 'notes' in fragment:
notes = fragment.pop('notes')
if notes:
if 'notes' not in doc:
doc['notes'] = []
doc['notes'].extend(notes)
if 'seealso' in fragment:
seealso = fragment.pop('seealso')
if seealso:
if 'seealso' not in doc:
doc['seealso'] = []
doc['seealso'].extend(seealso)
if 'options' not in fragment:
raise Exception("missing options in fragment (%s), possibly misformatted?: %s" % (fragment_name, filename))
# ensure options themselves are directly merged
if 'options' in doc:
try:
merge_fragment(doc['options'], fragment.pop('options'))
except Exception as e:
raise AnsibleError("%s options (%s) of unknown type: %s" % (to_native(e), fragment_name, filename))
else:
doc['options'] = fragment.pop('options')
# merge rest of the sections
try:
merge_fragment(doc, fragment)
except Exception as e:
raise AnsibleError("%s (%s) of unknown type: %s" % (to_native(e), fragment_name, filename))
def get_docstring(filename, fragment_loader, verbose=False, ignore_errors=False):
"""
DOCUMENTATION can be extended using documentation fragments loaded by the PluginLoader from the module_docs_fragments directory.
"""
data = read_docstring(filename, verbose=verbose, ignore_errors=ignore_errors)
# add fragments to documentation
if data.get('doc', False):
add_fragments(data['doc'], filename, fragment_loader=fragment_loader)
return data['doc'], data['plainexamples'], data['returndocs'], data['metadata']