python-botocore/botocore/docs/waiter.py
2015-11-24 20:34:53 +09:00

102 lines
3.7 KiB
Python

# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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.
from botocore import xform_name
from botocore.utils import get_service_module_name
from botocore.docs.method import document_model_driven_method
class WaiterDocumenter(object):
def __init__(self, client, service_waiter_model):
self._client = client
self._service_name = self._client.meta.service_model.service_name
self._service_waiter_model = service_waiter_model
def document_waiters(self, section):
"""Documents the various waiters for a service.
:param section: The section to write to.
"""
section.style.h2('Waiters')
section.style.new_line()
section.writeln('The available waiters are:')
for waiter_name in self._service_waiter_model.waiter_names:
section.style.li(
':py:class:`%s.Waiter.%s`' % (
self._client.__class__.__name__, waiter_name))
self._add_single_waiter(section, waiter_name)
def _add_single_waiter(self, section, waiter_name):
section = section.add_new_section(waiter_name)
section.style.start_sphinx_py_class(
class_name='%s.Waiter.%s' % (
self._client.__class__.__name__, waiter_name))
# Add example on how to instantiate waiter.
section.style.start_codeblock()
section.style.new_line()
section.write(
'waiter = client.get_waiter(\'%s\')' % xform_name(waiter_name)
)
section.style.end_codeblock()
# Add information on the wait() method
section.style.new_line()
document_wait_method(
section=section,
waiter_name=waiter_name,
event_emitter=self._client.meta.events,
service_model=self._client.meta.service_model,
service_waiter_model=self._service_waiter_model
)
def document_wait_method(section, waiter_name, event_emitter,
service_model, service_waiter_model,
include_signature=True):
"""Documents a the wait method of a waiter
:param section: The section to write to
:param waiter_name: The name of the waiter
:param event_emitter: The event emitter to use to emit events
:param service_model: The service model
:param service_waiter_model: The waiter model associated to the service
:param include_signature: Whether or not to include the signature.
It is useful for generating docstrings.
"""
waiter_model = service_waiter_model.get_waiter(waiter_name)
operation_model = service_model.operation_model(
waiter_model.operation)
wait_description = (
'Polls :py:meth:`{0}.Client.{1}` every {2} '
'seconds until a successful state is reached. An error is '
'returned after {3} failed checks.'.format(
get_service_module_name(service_model),
xform_name(waiter_model.operation),
waiter_model.delay, waiter_model.max_attempts)
)
document_model_driven_method(
section, 'wait', operation_model,
event_emitter=event_emitter,
method_description=wait_description,
example_prefix='waiter.wait',
document_output=False,
include_signature=include_signature
)