115 lines
3.6 KiB
Python
115 lines
3.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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This provides a sphinx extension able to list the implemented versioned
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notifications into the developer documentation.
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It is used via a single directive in the .rst file
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.. versioned_notifications::
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"""
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from sphinx.util.compat import Directive
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from docutils import nodes
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from nova.notifications.objects import base as notification
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from nova.objects import base
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def full_name(cls):
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return cls.__module__ + '.' + cls.__name__
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class VersionedNotificationDirective(Directive):
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LINK_PREFIX = 'https://git.openstack.org/cgit/openstack/nova/plain/'
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SAMPLE_ROOT = 'doc/notification_samples/'
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def run(self):
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notifications = self._collect_notifications()
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return self._build_markup(notifications)
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def _collect_notifications(self):
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base.NovaObjectRegistry.register_notification_objects()
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notifications = []
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ovos = base.NovaObjectRegistry.obj_classes()
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for name, cls in ovos.items():
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cls = cls[0]
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if (issubclass(cls, notification.NotificationBase) and
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cls != notification.NotificationBase):
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payload_name = cls.fields['payload'].objname
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payload_cls = ovos[payload_name][0]
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for sample in cls.samples:
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notifications.append((full_name(cls),
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full_name(payload_cls),
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sample))
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return notifications
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def _build_markup(self, notifications):
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content = []
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cols = ['Notification class', 'Payload class', 'Sample file link']
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table = nodes.table()
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content.append(table)
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group = nodes.tgroup(cols=len(cols))
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table.append(group)
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head = nodes.thead()
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group.append(head)
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for i in range(len(cols)):
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group.append(nodes.colspec(colwidth=1))
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body = nodes.tbody()
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group.append(body)
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# fill the table header
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row = nodes.row()
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body.append(row)
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for col_name in cols:
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col = nodes.entry()
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row.append(col)
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text = nodes.strong(text=col_name)
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col.append(text)
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# fill the table content, one notification per row
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for name, payload, sample in notifications:
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row = nodes.row()
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body.append(row)
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col = nodes.entry()
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row.append(col)
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text = nodes.literal(text=name)
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col.append(text)
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col = nodes.entry()
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row.append(col)
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text = nodes.literal(text=payload)
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col.append(text)
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col = nodes.entry()
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row.append(col)
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ref = nodes.reference(refuri=self.LINK_PREFIX +
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self.SAMPLE_ROOT + sample)
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txt = nodes.inline()
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col.append(txt)
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txt.append(ref)
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ref.append(nodes.literal(text=sample))
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return content
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def setup(app):
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app.add_directive('versioned_notifications',
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VersionedNotificationDirective)
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