deb-heat/doc/source/ext/resources.py
Pavlo Shchelokovskyy 50ff4ec2fe Order imports in alphabetical order (9/9)
This patch fixes all the missed and newly introduced violations of the H306
style checking rule and enables it in tox.

Change-Id: I5566e66421d5397c0103958f02ea38e6e3c68892
Implements: blueprint reduce-flake8-ignored-rules (partial)
2014-05-22 16:49:51 +03:00

328 lines
11 KiB
Python

#
# 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.
# -*- coding: utf-8 -*-
import itertools
from docutils import nodes
import pydoc
from sphinx.util.compat import Directive
from heat.engine import attributes
from heat.engine import environment
from heat.engine import plugin_manager
from heat.engine import properties
from heat.engine import resources
from heat.engine import support
from heat.openstack.common.gettextutils import _
global_env = environment.Environment({}, user_env=False)
class resourcepages(nodes.General, nodes.Element):
pass
class ResourcePages(Directive):
has_content = False
required_arguments = 0
optional_arguments = 1
final_argument_whitespace = False
option_spec = {}
def run(self):
prefix = self.arguments and self.arguments.pop() or None
content = []
for resource_type, resource_class in _all_resources(prefix):
self.resource_type = resource_type
self.resource_class = resource_class
section = self._section(content, resource_type, '%s')
self.props_schemata = properties.schemata(
self.resource_class.properties_schema)
self.attrs_schemata = attributes.schemata(
self.resource_class.attributes_schema)
if resource_class.support_status.status == support.DEPRECATED:
sstatus = resource_class.support_status.to_dict()
msg = _('%(status)s')
if sstatus['message'] is not None:
msg = _('%(status)s - %(message)s')
para = nodes.inline('', msg % sstatus)
warning = nodes.note('', para)
section.append(warning)
cls_doc = pydoc.getdoc(resource_class)
if cls_doc:
para = nodes.paragraph('', cls_doc)
section.append(para)
self.contribute_properties(section)
self.contribute_attributes(section)
self.contribute_hot_syntax(section)
self.contribute_yaml_syntax(section)
self.contribute_json_syntax(section)
return content
def _section(self, parent, title, id_pattern):
id = id_pattern % self.resource_type
section = nodes.section(ids=[id])
parent.append(section)
title = nodes.title('', title)
section.append(title)
return section
def _prop_syntax_example(self, prop):
if not prop:
return 'Value'
if prop.type == properties.Schema.LIST:
schema = lambda i: prop.schema[i] if prop.schema else None
sub_type = [self._prop_syntax_example(schema(i))
for i in range(2)]
return '[%s, %s, ...]' % tuple(sub_type)
elif prop.type == properties.Schema.MAP:
def sub_props():
for sub_key, sub_value in prop.schema.items():
if sub_value.implemented:
yield '"%s": %s' % (
sub_key, self._prop_syntax_example(sub_value))
return '{%s}' % (', '.join(sub_props()) if prop.schema else '...')
else:
return prop.type
def contribute_hot_syntax(self, parent):
section = self._section(parent, _('HOT Syntax'), '%s-hot')
props = []
for prop_key in sorted(self.props_schemata.keys()):
prop = self.props_schemata[prop_key]
if (prop.implemented
and prop.support_status.status == support.SUPPORTED):
props.append('%s: %s' % (prop_key,
self._prop_syntax_example(prop)))
template = '''heat_template_version: 2013-05-23
...
resources:
...
the_resource:
type: %s
properties:
%s''' % (self.resource_type, '\n '.join(props))
block = nodes.literal_block('', template)
section.append(block)
def contribute_yaml_syntax(self, parent):
section = self._section(parent, _('YAML Syntax'), '%s-yaml')
props = []
for prop_key in sorted(self.props_schemata.keys()):
prop = self.props_schemata[prop_key]
if (prop.implemented
and prop.support_status.status == support.SUPPORTED):
props.append('%s: %s' % (prop_key,
self._prop_syntax_example(prop)))
template = '''HeatTemplateFormatVersion: '2012-12-12'
...
Resources:
...
TheResource:
Type: %s
Properties:
%s''' % (self.resource_type, '\n '.join(props))
block = nodes.literal_block('', template)
section.append(block)
def contribute_json_syntax(self, parent):
section = self._section(parent, _('JSON Syntax'), '%s-json')
props = []
for prop_key in sorted(self.props_schemata.keys()):
prop = self.props_schemata[prop_key]
if (prop.implemented
and prop.support_status.status == support.SUPPORTED):
props.append('"%s": %s' % (prop_key,
self._prop_syntax_example(prop)))
template = '''{
"AWSTemplateFormatVersion" : "2010-09-09",
...
"Resources" : {
"TheResource": {
"Type": "%s",
"Properties": {
%s
}
}
}
}''' % (self.resource_type, ',\n '.join(props))
block = nodes.literal_block('', template)
section.append(block)
@staticmethod
def cmp_prop(x, y):
x_key, x_prop = x
y_key, y_prop = y
if x_prop.support_status.status == y_prop.support_status.status:
return cmp(x_key, y_key)
if x_prop.support_status.status == support.SUPPORTED:
return -1
if x_prop.support_status.status == support.DEPRECATED:
return 1
return cmp(x_prop.support_status.status,
y_prop.support_status.status)
def contribute_property(self, prop_list, prop_key, prop):
prop_item = nodes.definition_list_item(
'', nodes.term('', prop_key))
prop_list.append(prop_item)
prop_item.append(nodes.classifier('', prop.type))
definition = nodes.definition()
prop_item.append(definition)
if prop.support_status.status != support.SUPPORTED:
sstatus = prop.support_status.to_dict()
msg = _('%(status)s')
if sstatus['message'] is not None:
msg = _('%(status)s - %(message)s')
para = nodes.inline('', msg % sstatus)
warning = nodes.note('', para)
definition.append(warning)
if not prop.implemented:
para = nodes.inline('', _('Not implemented.'))
warning = nodes.note('', para)
definition.append(warning)
return
if prop.description:
para = nodes.paragraph('', prop.description)
definition.append(para)
if prop.update_allowed:
para = nodes.paragraph('',
_('Can be updated without replacement.'))
definition.append(para)
else:
para = nodes.paragraph('', _('Updates cause replacement.'))
definition.append(para)
if prop.required:
para = nodes.paragraph('', _('Required property.'))
elif prop.default is not None:
para = nodes.paragraph(
'',
_('Optional property, defaults to "%s".') % prop.default)
else:
para = nodes.paragraph('', _('Optional property.'))
definition.append(para)
for constraint in prop.constraints:
para = nodes.paragraph('', str(constraint))
definition.append(para)
sub_schema = None
if prop.schema and prop.type == properties.Schema.MAP:
para = nodes.emphasis('', _('Map properties:'))
definition.append(para)
sub_schema = prop.schema
elif prop.schema and prop.type == properties.Schema.LIST:
para = nodes.emphasis(
'', _('List contents:'))
definition.append(para)
sub_schema = prop.schema
if sub_schema:
sub_prop_list = nodes.definition_list()
definition.append(sub_prop_list)
for sub_prop_key, sub_prop in sorted(sub_schema.items(),
self.cmp_prop):
self.contribute_property(
sub_prop_list, sub_prop_key, sub_prop)
def contribute_properties(self, parent):
if not self.props_schemata:
return
section = self._section(parent, _('Properties'), '%s-props')
prop_list = nodes.definition_list()
section.append(prop_list)
for prop_key, prop in sorted(self.props_schemata.items(),
self.cmp_prop):
self.contribute_property(prop_list, prop_key, prop)
def contribute_attributes(self, parent):
if not self.attrs_schemata:
return
section = self._section(parent, _('Attributes'), '%s-attrs')
prop_list = nodes.definition_list()
section.append(prop_list)
for prop_key, prop in sorted(self.attrs_schemata.items()):
description = prop.description
prop_item = nodes.definition_list_item(
'', nodes.term('', prop_key))
prop_list.append(prop_item)
definition = nodes.definition()
prop_item.append(definition)
if prop.support_status.status != support.SUPPORTED:
sstatus = prop.support_status.to_dict()
msg = _('%(status)s')
if sstatus['message'] is not None:
msg = _('%(status)s - %(message)s')
para = nodes.inline('', msg % sstatus)
warning = nodes.note('', para)
definition.append(warning)
if description:
def_para = nodes.paragraph('', description)
definition.append(def_para)
def _all_resources(prefix=None):
type_names = sorted(global_env.get_types())
if prefix is not None:
def prefix_match(name):
return name.startswith(prefix)
type_names = itertools.ifilter(prefix_match, type_names)
def resource_type(name):
return name, global_env.get_class(name)
return itertools.imap(resource_type, type_names)
def _load_all_resources():
manager = plugin_manager.PluginManager('heat.engine.resources')
resource_mapping = plugin_manager.PluginMapping('resource')
res_plugin_mappings = resource_mapping.load_all(manager)
resources._register_resources(global_env, res_plugin_mappings)
environment.read_global_environment(global_env)
def setup(app):
_load_all_resources()
app.add_node(resourcepages)
app.add_directive('resourcepages', ResourcePages)