def to_python(self, value):
if not value:
return None
if isinstance(value, _InstanceProxy):
return value
instance_url = from_slumber_scheme(
super(TypedRemoteChoiceField, self).to_python(value),
get_slumber_services())
model_url = from_slumber_scheme(self.model_url, get_slumber_services())
return get_instance(model_url, instance_url, None)
# def to_python(self, value):
# """
# Validates that the value is in self.choices and can be coerced to the
# right type.
# """
# value = super(TypedChoiceField, self).to_python(value)
# if value == self.empty_value or value in self.empty_values:
# return self.empty_value
# try:
# value = self.coerce(value)
# except (ValueError, TypeError, ValidationError):
# raise ValidationError(
# self.error_messages['invalid_choice'],
# code='invalid_choice',
# params={'value': value},
# )
# return value
def to_python(self, value):
if not value:
return None
if isinstance(value, _InstanceProxy):
return value
instance_url = from_slumber_scheme(
super(RemoteForeignKey, self).to_python(value),
get_slumber_services())
model_url = from_slumber_scheme(self.model_url, get_slumber_services())
return get_instance(model_url, instance_url, None)
def to_python(self, value):
if not value:
return None
if isinstance(value, _InstanceProxy):
return value
instance_url = from_slumber_scheme(
super(RemoteForeignKey, self).to_python(value),
get_slumber_services())
model_url = from_slumber_scheme(
self.model_url, get_slumber_services())
return get_instance(model_url, instance_url, None)
def test_slumber_service_url_with_a_different_service(self):
translated = from_slumber_scheme(
'slumber://another_service/Model/',
dict(testservice='http://example.com/slumber/testservice/',
another_service='http://example.com/slumber/another_service/'))
self.assertEquals(translated,
'http://example.com/slumber/another_service/Model/')
def test_call_monitor_model(self, mock_callback_test):
self.client.login(username='******', password='******')
monitor_model(update_log_model_url=self.update_log_model_url,
model_url=self.model_url,
table=self.table,
callback=self.callback,
callback_kwargs=self.callback_kwargs)
# it should create a new ChangeSubscription object
ss = ChangeSubscription.objects.all()[0]
self.assertEqual(ss.update_log_model_url, self.update_log_model_url)
self.assertEqual(ss.table, self.table)
self.assertEqual(ss.callback, self.callback)
self.assertDictEqual(json.loads(ss.callback_kwargs),
self.callback_kwargs)
# it should create a job in django-async
job = Job.objects.all()[0]
self.assertEqual(job.name, 'pubsubpull.async.pull_monitor')
self.assertEqual(json.loads(job.args), [self.model_url, self.callback])
self.assertDictEqual(json.loads(job.kwargs), dict(delay=0, callback_kwargs=dict(param1="Title")))
# callback_test should be called because there is a pizza
pizza = Pizza.objects.create(name="P1")
pizza_instance_url = from_slumber_scheme('slumber://pizza/slumber_examples/Pizza/data/{}/'.format(pizza.pk))
management.call_command('flush_queue')
mock_callback_test.assert_called_with(pizza_instance_url,
**self.callback_kwargs)
def _fetch_instance(self):
"""Fetch the underlying instance.
"""
from slumber import _client
for candidate in getattr(_client, '_instances', []):
candidate_url = from_slumber_scheme(candidate._url)
self_url = from_slumber_scheme(self._url)
if candidate_url == self_url:
return candidate
instance = CLIENT_INSTANCE_CACHE.get(self._url, None)
if not instance:
# We now have a cache miss so construct a new connector
instance = _InstanceConnector(self._url, **self._fields)
if CLIENT_INSTANCE_CACHE.enabled:
CLIENT_INSTANCE_CACHE[self._url] = instance
return instance
def test_call_monitor_model(self, mock_callback_test):
self.client.login(username='******', password='******')
monitor_model(update_log_model_url=self.update_log_model_url,
model_url=self.model_url,
table=self.table,
callback=self.callback,
callback_kwargs=self.callback_kwargs)
# it should create a new ChangeSubscription object
ss = ChangeSubscription.objects.all()[0]
self.assertEqual(ss.update_log_model_url, self.update_log_model_url)
self.assertEqual(ss.table, self.table)
self.assertEqual(ss.callback, self.callback)
self.assertDictEqual(json.loads(ss.callback_kwargs),
self.callback_kwargs)
# it should create a job in django-async
job = Job.objects.all()[0]
self.assertEqual(job.name, 'pubsubpull.async.pull_monitor')
self.assertEqual(json.loads(job.args), [self.model_url, self.callback])
self.assertDictEqual(
json.loads(job.kwargs),
dict(delay=0, callback_kwargs=dict(param1="Title")))
# callback_test should be called because there is a pizza
pizza = Pizza.objects.create(name="P1")
pizza_instance_url = from_slumber_scheme(
'slumber://pizza/slumber_examples/Pizza/data/{}/'.format(pizza.pk))
management.call_command('flush_queue')
mock_callback_test.assert_called_with(pizza_instance_url,
**self.callback_kwargs)
def test_slumber_service_url_with_a_different_service(self):
translated = from_slumber_scheme(
'slumber://another_service/Model/',
dict(
testservice='http://example.com/slumber/testservice/',
another_service='http://example.com/slumber/another_service/'))
self.assertEquals(translated,
'http://example.com/slumber/another_service/Model/')
def _fetch_instance(self):
"""Fetch the underlying instance.
"""
from slumber import _client
for candidate in getattr(_client, '_instances', []):
candidate_url = from_slumber_scheme(candidate._url)
self_url = from_slumber_scheme(self._url)
if candidate_url == self_url:
return candidate
instance = getattr(PER_THREAD, 'cache', {}).get(self._url, None)
if not instance:
# We now have a cache miss so construct a new connector
instance = _InstanceConnector(self._url, **self._fields)
if hasattr(PER_THREAD, 'cache'):
PER_THREAD.cache[self._url] = instance
else:
logging.info("No cache to write instance %s into", self._url)
return instance
def _fetch_instance(self):
"""Fetch the underlying instance.
"""
from slumber import _client
for candidate in getattr(_client, '_instances', []):
candidate_url = from_slumber_scheme(candidate._url)
self_url = from_slumber_scheme(self._url)
if candidate_url == self_url:
return candidate
instance = getattr(PER_THREAD, 'cache', {}).get(self._url, None)
if not instance:
# We now have a cache miss so construct a new connector
instance = _InstanceConnector(self._url, **self._fields)
if hasattr(PER_THREAD, 'cache'):
PER_THREAD.cache[self._url] = instance
else:
logging.info("No cache to write instance %s into", self._url)
return instance
def get_model(url):
"""Return the client model connector for a given URL.
"""
url = from_slumber_scheme(url)
if not MODEL_URL_TO_SLUMBER_MODEL.has_key(url):
bases = [ModelConnector]
model_type = get_model_type(url, bases)
return model_type(url)
else:
return MODEL_URL_TO_SLUMBER_MODEL[url]
def get_model(url):
"""Return the client model connector for a given URL.
"""
url = from_slumber_scheme(url)
if not MODEL_URL_TO_SLUMBER_MODEL.has_key(url):
bases = [ModelConnector]
model_type = get_model_type(url, bases)
return model_type(url)
else:
return MODEL_URL_TO_SLUMBER_MODEL[url]
def get_instance(model, instance_url, display_name, fields=None):
"""Return an instance of the specified model etc.
"""
if isinstance(model, basestring):
model = get_model(model) # Assume we've been given a URL
fields = fields or {}
bases = [_InstanceProxy]
for type_url, proxy in INSTANCE_PROXIES.items():
if model._url.endswith(type_url):
bases.append(proxy)
type_name = str(instance_url)
instance_type = type(type_name, tuple(bases), {})
return instance_type(from_slumber_scheme(instance_url),
display_name, fields)
def get_instance(model, instance_url, display_name, fields=None):
"""Return an instance of the specified model etc.
"""
if isinstance(model, basestring):
model = get_model(model) # Assume we've been given a URL
fields = fields or {}
bases = [_InstanceProxy]
for type_url, proxy in INSTANCE_PROXIES.items():
if model._url.endswith(type_url):
bases.append(proxy)
type_name = str(instance_url)
instance_type = type(type_name, tuple(bases), {})
return instance_type(from_slumber_scheme(instance_url), display_name,
fields)
def test_call_async_monitor(self, mock_callback_test, mock_pull_down):
self.client.login(username='******', password='******')
monitor_model(update_log_model_url=self.update_log_model_url,
model_url=self.model_url,
table=self.table,
callback=self.callback,
callback_kwargs=self.callback_kwargs)
pizza = Pizza.objects.create(name="P1")
pizza_instance_url = from_slumber_scheme('slumber://pizza/slumber_examples/Pizza/data/{}/'.format(pizza.pk))
async_monitor(update_log_url='slumber://pizza/pubsubpull/UpdateLog/data/1',
update_log_model_url=self.update_log_model_url)
management.call_command('flush_queue')
# callback_test must be called
mock_callback_test.assert_called_with(pizza_instance_url,
**self.callback_kwargs)
def clean(self, value):
if not value:
if self.required:
raise forms.ValidationError('This field is required')
return None
elif isinstance(value, _InstanceProxy):
return value
else:
try:
model_url = from_slumber_scheme(self.model_url,
get_slumber_services())
instance = get_instance(model_url, value, None)
unicode(instance)
except AssertionError:
raise forms.ValidationError("The remote object doesn't exist")
return instance
def clean(self, value):
if not value:
if self.required:
raise forms.ValidationError('This field is required')
return None
elif isinstance(value, _InstanceProxy):
return value
else:
try:
model_url = from_slumber_scheme(
self.model_url, get_slumber_services())
instance = get_instance(model_url, value, None)
unicode(instance)
except AssertionError:
raise forms.ValidationError("The remote object doesn't exist")
return instance
def async_monitor(update_log_url, update_log_model_url):
""" schedule jobs in ChangeSubscription model corresponding to update_log_model_url
"""
json_data = _get_data_from_slumber(update_log_url)
relative_instance_url = json_data['fields']['instance_url']['data']
table = json_data['fields']['table']['data']
base_url = _get_base_url(from_slumber_scheme(update_log_url))
instance_url = urljoin(base_url, relative_instance_url)
subscriptions = ChangeSubscription.objects.filter(
update_log_model_url=update_log_model_url, table=table)
for subscription in subscriptions:
schedule(subscription.callback,
args=[instance_url],
kwargs=json.loads(subscription.callback_kwargs))
def test_call_async_monitor(self, mock_callback_test, mock_pull_down):
self.client.login(username='******', password='******')
monitor_model(update_log_model_url=self.update_log_model_url,
model_url=self.model_url,
table=self.table,
callback=self.callback,
callback_kwargs=self.callback_kwargs)
pizza = Pizza.objects.create(name="P1")
pizza_instance_url = from_slumber_scheme(
'slumber://pizza/slumber_examples/Pizza/data/{}/'.format(pizza.pk))
async_monitor(
update_log_url='slumber://pizza/pubsubpull/UpdateLog/data/1',
update_log_model_url=self.update_log_model_url)
management.call_command('flush_queue')
# callback_test must be called
mock_callback_test.assert_called_with(pizza_instance_url,
**self.callback_kwargs)
def async_monitor(update_log_url, update_log_model_url):
""" schedule jobs in ChangeSubscription model corresponding to update_log_model_url
"""
json_data = _get_data_from_slumber(update_log_url)
relative_instance_url = json_data['fields']['instance_url']['data']
table = json_data['fields']['table']['data']
base_url = _get_base_url(from_slumber_scheme(update_log_url))
instance_url = urljoin(base_url, relative_instance_url)
subscriptions = ChangeSubscription.objects.filter(
update_log_model_url=update_log_model_url,
table=table
)
for subscription in subscriptions:
schedule(subscription.callback,
args=[instance_url],
kwargs=json.loads(subscription.callback_kwargs))
def test_get_data_from_slumber(self, mock_get):
source_url = 'slumber://pizza/slumber_examples/Pizza/'
mock_get.return_value = None, 'response'
actual = _get_data_from_slumber(source_url)
mock_get.assert_called_with(from_slumber_scheme(source_url))
self.assertEqual(actual, 'response')
def check_pizzas(self, pizzas):
base = from_slumber_scheme('slumber://pizza/slumber_examples/Pizza/')
urls = [urljoin(base, data_link(p)) for p in pizzas]
self.assertEquals(set(urls), self.URLS)
def test_get_data_from_slumber(self, mock_get):
source_url = 'slumber://pizza/slumber_examples/Pizza/'
mock_get.return_value = None, 'response'
actual = _get_data_from_slumber(source_url)
mock_get.assert_called_with(from_slumber_scheme(source_url))
self.assertEqual(actual, 'response')
def test_slumber_service_url_with_invalid_service(self):
with self.assertRaises(SlumberServiceURLError):
from_slumber_scheme(
'slumber://not-a-service/Model/',
dict(testservice='http://example.com/slumber/testservice/'))
def _get_data_from_slumber(update_log_url):
""" get data from given url, accept both http and slumber scheme
"""
_, json_data = get(from_slumber_scheme(update_log_url))
return json_data
def test_not_a_slumber_url(self):
translated = from_slumber_scheme(
'http://example.org/slumber/',
dict(testservice='http://example.com/slumber/testservice/'))
self.assertEquals(translated,
'http://example.org/slumber/')
def test_no_services_with_normal_url(self):
translated = from_slumber_scheme(
'http://example.com/slumber/', None)
self.assertEquals(translated,
'http://example.com/slumber/')
def check_pizzas(self, pizzas):
base = from_slumber_scheme('slumber://pizza/slumber_examples/Pizza/')
urls = [urljoin(base, data_link(p)) for p in pizzas]
self.assertEquals(set(urls), self.URLS)
def test_no_services_with_normal_url(self):
translated = from_slumber_scheme('http://example.com/slumber/', None)
self.assertEquals(translated, 'http://example.com/slumber/')
def test_no_services_with_slumber_url(self):
with self.assertRaises(SlumberServiceURLError):
translated = from_slumber_scheme('slumber://service/Model/', None)
def test_no_services_with_slumber_url(self):
with self.assertRaises(SlumberServiceURLError):
translated = from_slumber_scheme(
'slumber://service/Model/', None)
def test_not_a_slumber_url(self):
translated = from_slumber_scheme(
'http://example.org/slumber/',
dict(testservice='http://example.com/slumber/testservice/'))
self.assertEquals(translated, 'http://example.org/slumber/')
def test_slumber_service_url(self):
translated = from_slumber_scheme(
'slumber://testservice/Model/',
dict(testservice='http://example.com/slumber/testservice/'))
self.assertEquals(translated,
'http://example.com/slumber/testservice/Model/')
def test_slumber_service_url(self):
translated = from_slumber_scheme(
'slumber://testservice/Model/',
dict(testservice='http://example.com/slumber/testservice/'))
self.assertEquals(translated,
'http://example.com/slumber/testservice/Model/')
def test_slumber_service_url_with_invalid_service(self):
with self.assertRaises(SlumberServiceURLError):
from_slumber_scheme(
'slumber://not-a-service/Model/',
dict(testservice='http://example.com/slumber/testservice/'))
def _get_data_from_slumber(update_log_url):
""" get data from given url, accept both http and slumber scheme
"""
_, json_data = get(from_slumber_scheme(update_log_url))
return json_data
