def test_get_read_collection_path(self):
path = get_read_collection_path(get_collection_class(IMyEntity),
CsvMime, directory=self._data_dir)
self.assert_false(path is None)
tmp_dir = tempfile.mkdtemp()
tmp_path = get_read_collection_path(get_collection_class(IMyEntity),
CsvMime, directory=tmp_dir)
self.assert_true(tmp_path is None)
def test_get_read_collection_path(self):
path = get_read_collection_path(get_collection_class(IMyEntity),
CsvMime,
directory=self._data_dir)
self.assert_false(path is None)
tmp_dir = tempfile.mkdtemp()
tmp_path = get_read_collection_path(get_collection_class(IMyEntity),
CsvMime,
directory=tmp_dir)
self.assert_true(tmp_path is None)
def test_load_from_invalid_file(self):
coll_cls = get_collection_class(IMyEntity)
with self.assert_raises(ValueError) as cm:
dummy = \
load_collection_from_file(coll_cls, 'my-entity-collection.foo')
exc_msg = 'Could not infer MIME type'
self.assert_true(cm.exception.message.startswith(exc_msg))
def test_add_resource_with_collection_title(self, simple_config, title):
simple_config.add_resource(IFoo,
FooMember,
FooEntity,
expose=False,
collection_title=title)
assert get_collection_class(IFoo).title == title
def __get_q_tag(self, attr):
# FIXME: We should cache the namespace for each attribute.
if not attr.namespace is None:
q_tag = '{%s}%s' % (attr.namespace, attr.repr_name)
else:
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.TERMINAL:
xml_ns = \
self.mapping.configuration.get_option(XML_NAMESPACE_OPTION)
else:
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
attr_type = get_member_class(attr.value_type)
elif attr.kind == RESOURCE_ATTRIBUTE_KINDS.COLLECTION:
attr_type = get_collection_class(attr.value_type)
mp = self.mapping.mapping_registry.find_mapping(attr_type)
if not mp is None:
xml_ns = mp.configuration.get_option(XML_NAMESPACE_OPTION)
else: # pragma: no cover
# Not mapped.
# FIXME This case is neither tested nor documented.
xml_ns = None
if not xml_ns is None:
q_tag = '{%s}%s' % (xml_ns, attr.repr_name)
else:
q_tag = attr.repr_name
return q_tag
def test_delete_member(self, view_app_creator, view_collection): # pylint:disable=W0621
assert len(view_collection) == 2
res = view_app_creator.delete("%s/0" % self.path,
content_type=CsvMime.mime_type_string,
status=200)
assert not res is None
assert len(view_collection) == 1
# Second delete triggers 404.
view_app_creator.delete("%s/0" % self.path,
content_type=CsvMime.mime_type_string,
status=404)
coll_cls = get_collection_class(IMyEntity)
old_remove = coll_cls.__dict__.get('remove')
def remove_with_exception(self): # pylint: disable=W0613
raise RuntimeError()
coll_cls.remove = remove_with_exception
try:
view_app_creator.delete("%s/1" % self.path,
content_type=CsvMime.mime_type_string,
status=500)
finally:
if not old_remove is None:
coll_cls.remove = old_remove
def set_up(self):
FunctionalTestCase.set_up(self)
self.config.load_zcml(
'everest.tests.complete_app:configure_no_rdb.zcml')
self.config.add_view(context=get_collection_class(IMyEntity),
view=ExceptionPostCollectionView,
request_method='POST')
def test_add_resource_with_root_name(self, simple_config, root_name):
simple_config.add_resource(IFoo,
FooMember,
FooEntity,
expose=True,
collection_root_name=root_name)
assert get_collection_class(IFoo).root_name == root_name
def __get_q_tag(self, attr):
# FIXME: We should cache the namespace for each attribute.
if not attr.namespace is None:
q_tag = '{%s}%s' % (attr.namespace, attr.repr_name)
else:
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.TERMINAL:
xml_ns = \
self.mapping.configuration.get_option(XML_NAMESPACE_OPTION)
else:
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
attr_type = get_member_class(attr.value_type)
elif attr.kind == RESOURCE_ATTRIBUTE_KINDS.COLLECTION:
attr_type = get_collection_class(attr.value_type)
mp = self.mapping.mapping_registry.find_mapping(attr_type)
if not mp is None:
xml_ns = mp.configuration.get_option(XML_NAMESPACE_OPTION)
else: # pragma: no cover
# Not mapped.
# FIXME This case is neither tested nor documented.
xml_ns = None
if not xml_ns is None:
q_tag = '{%s}%s' % (xml_ns, attr.repr_name)
else:
q_tag = '{}%s' % attr.repr_name
return q_tag
def after(self):
# Register resources eagerly so the various adapters and utilities are
# available for other directives.
discriminator = ('resource', self.interface)
reg = get_current_registry()
config = Configurator(reg, package=self.context.package)
config.add_resource(self.interface, self.member, self.entity,
collection=self.collection,
collection_root_name=self.collection_root_name,
collection_title=self.collection_title,
repository=self.repository,
expose=self.expose,
_info=self.context.info)
for key, value in iteritems_(self.representers):
cnt_type, rc_kind = key
opts, mp_opts = value
if rc_kind == RESOURCE_KINDS.MEMBER:
rc = get_member_class(self.interface)
elif rc_kind == RESOURCE_KINDS.COLLECTION:
rc = get_collection_class(self.interface)
else: # None
rc = self.interface
discriminator = ('resource_representer', rc, cnt_type, rc_kind)
self.action(discriminator=discriminator, # pylint: disable=E1101
callable=config.add_resource_representer,
args=(rc, cnt_type),
kw=dict(options=opts,
attribute_options=mp_opts,
_info=self.context.info),
)
def test_invalid_xml(self):
coll = object.__new__(get_collection_class(IMyEntity))
rpr = as_representer(coll, XmlMime)
with self.assert_raises(SyntaxError) as cm:
rpr.from_string('<?xml version="1.0" encoding="UTF-8"?><murks/>')
exc_msg = 'Could not parse XML document for schema'
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def set_up(self):
FunctionalTestCase.set_up(self)
self.config.load_zcml(
'everest.tests.complete_app:configure_no_rdb.zcml')
self.config.add_view(context=get_collection_class(IMyEntity),
view=ExceptionPostCollectionView,
request_method=RequestMethods.POST)
def _test_load(self, load_func, fn_func, is_into):
member = _make_test_entity_member()
tmp_dir = tempfile.mkdtemp()
try:
dump_resource_to_files(member, directory=tmp_dir)
file_names = glob.glob1(tmp_dir, "*.csv")
self.assert_equal(len(file_names), 4)
for ifc in [IMyEntityParent,
IMyEntity,
IMyEntityChild,
IMyEntityGrandchild]:
coll_cls = get_collection_class(ifc)
root_coll = get_root_collection(ifc)
file_name = get_collection_filename(coll_cls)
file_path = fn_func(os.path.join(tmp_dir, file_name))
if not is_into:
coll = load_func(coll_cls, file_path)
self.assert_equal(len(coll), 1)
for mb in coll:
root_coll.add(mb)
else:
load_func(root_coll, file_path)
self.assert_equal(len(root_coll), 1)
finally:
shutil.rmtree(tmp_dir)
def test_mapping_polymorhpic(self):
# pylint: disable=W0232
class IMyDerivedEntity(IMyEntity):
pass
class MyDerivedEntity(MyEntity):
pass
class MyDerivedEntityMember(MyEntityMember):
pass
class MyDerivedEntityCollection(get_collection_class(IMyEntity)):
pass
# pylint: enable=W0232
self.config.add_resource(IMyDerivedEntity, MyDerivedEntityMember,
MyDerivedEntity, MyDerivedEntityCollection,
expose=False)
self.config.add_resource_representer(
IMyDerivedEntity,
XmlMime,
attribute_options=
{('parent',):dict(ignore=True)})
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
for rc in (MyDerivedEntityMember, MyDerivedEntityCollection):
attr = None
for attr in mp.attribute_iterator(rc):
if attr.name == 'parent':
break
self.assert_is_not_none(attr)
self.assert_equal(attr.ignore_on_write, True)
self.assert_equal(attr.ignore_on_read, True)
def set_up(self):
_PlantScribeResourcesBaseTestCase.set_up(self)
#
data_dir = os.path.join(os.path.dirname(__file__), 'data')
for coll_name, coll_cls in \
(('customer', get_collection_class(ICustomer)),
('project', get_collection_class(IProject)),
('site', get_collection_class(ISite)),
('species', get_collection_class(ISpecies)),
('incidence', get_collection_class(IIncidence)),
):
url = 'file://%s' % os.path.join(data_dir,
'%s-collection.csv' % coll_name)
coll = get_root_collection(coll_cls)
load_into_collection_from_url(coll, url,
content_type=CsvMime)
def after(self):
# Register resources eagerly so the various adapters and utilities are
# available for other directives.
discriminator = ('resource', self.interface)
reg = get_current_registry()
config = Configurator(reg, package=self.context.package)
config.add_resource(self.interface,
self.member,
self.entity,
collection=self.collection,
collection_root_name=self.collection_root_name,
collection_title=self.collection_title,
repository=self.repository,
expose=self.expose,
_info=self.context.info)
for key, value in self.representers.iteritems():
cnt_type, rc_kind = key
opts, mp_opts = value
if rc_kind == RESOURCE_KINDS.member:
rc = get_member_class(self.interface)
elif rc_kind == RESOURCE_KINDS.collection:
rc = get_collection_class(self.interface)
else: # None
rc = self.interface
discriminator = ('resource_representer', rc, cnt_type, rc_kind)
self.action(
discriminator=discriminator, # pylint: disable=E1101
callable=config.add_resource_representer,
args=(rc, cnt_type),
kw=dict(options=opts,
attribute_options=mp_opts,
_info=self.context.info),
)
def wrn_with_exc_vw_app_creator(app_creator):
app_creator.config.load_zcml(
'everest.tests.complete_app:configure_no_rdb.zcml')
app_creator.config.add_view(context=get_collection_class(IMyEntity),
view=ExceptionPostCollectionView,
request_method=RequestMethods.POST)
yield app_creator
def wrn_with_exc_vw_app_creator(app_creator):
app_creator.config.load_zcml(
'everest.tests.complete_app:configure_no_rdb.zcml')
app_creator.config.add_view(context=get_collection_class(IMyEntity),
view=ExceptionPostCollectionView,
request_method=RequestMethods.POST)
yield app_creator
def test_invalid_xml(self):
coll = object.__new__(get_collection_class(IMyEntity))
rpr = as_representer(coll, XmlMime)
with self.assert_raises(SyntaxError) as cm:
rpr.from_string('<?xml version="1.0" encoding="UTF-8"?><murks/>')
exc_msg = 'Could not parse XML document for schema'
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def pred_view_app_creator(app_creator):
app_creator.config.add_renderer('csv', RendererFactory)
app_creator.config.add_view(context=get_collection_class(IMyEntity),
view=GetCollectionView,
renderer='csv',
request_method=RequestMethods.GET,
custom_predicates=(accept_csv_only, ))
yield app_creator
def test_add_resource_with_collection_title(self):
title = 'myfoos'
self._config.add_resource(IFoo,
FooMember,
FooEntity,
expose=False,
collection_title=title)
self.assert_equal(get_collection_class(IFoo).title, title)
def set_up(self):
_PlantScribeResourcesBaseTestCase.set_up(self)
#
repo_mgr = get_repository_manager()
repo = repo_mgr.get(REPOSITORY_TYPES.RDB)
data_dir = os.path.join(os.path.dirname(__file__), 'data')
for coll_name, coll_cls in \
(('customer', get_collection_class(ICustomer)),
('project', get_collection_class(IProject)),
('site', get_collection_class(ISite)),
('species', get_collection_class(ISpecies)),
('incidence', get_collection_class(IIncidence)),
):
url = 'file://%s' % os.path.join(data_dir,
'%s-collection.csv' % coll_name)
repo.load_representation(coll_cls, url,
content_type=CsvMime, resolve_urls=True)
def pred_view_app_creator(app_creator):
app_creator.config.add_renderer('csv', RendererFactory)
app_creator.config.add_view(context=get_collection_class(IMyEntity),
view=GetCollectionView,
renderer='csv',
request_method=RequestMethods.GET,
custom_predicates=(accept_csv_only,))
yield app_creator
def test_add_resource_with_root_name(self):
root_name = 'myfoos'
self._config.add_resource(IFoo,
FooMember,
FooEntity,
expose=True,
collection_root_name=root_name)
self.assert_equal(get_collection_class(IFoo).root_name, root_name)
def set_up(self):
FunctionalTestCase.set_up(self)
self.config.load_zcml('everest.tests.complete_app:configure_rpr.zcml')
self.config.add_renderer('csv', RendererFactory)
self.config.add_view(context=get_collection_class(IMyEntity),
view=GetCollectionView,
renderer='csv',
request_method=RequestMethods.GET,
custom_predicates=(accept_csv_only,))
def test_mapping_duplicate_prefix(self):
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
ns = 'foo'
mp.configuration.set_option(XML_NAMESPACE_OPTION, ns)
with self.assert_raises(ValueError) as cm:
mp.mapping_registry.set_mapping(mp)
exc_msg = 'is already registered for namespace'
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def test_mapping_duplicate_prefix(self):
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
ns = 'foo'
mp.configuration.set_option(XML_NAMESPACE_OPTION, ns)
with self.assert_raises(ValueError) as cm:
mp.mapping_registry.set_mapping(mp)
exc_msg = 'is already registered for namespace'
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def _create_link_data_element(self, attribute, member_node):
if attribute.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
kind = RESOURCE_KINDS.MEMBER
rc_cls = get_member_class(attribute.value_type)
else:
kind = RESOURCE_KINDS.COLLECTION
rc_cls = get_collection_class(attribute.value_type)
return self._mapping.create_linked_data_element(
member_node, kind, relation=rc_cls.relation, title=rc_cls.title)
def set_up(self):
FunctionalTestCase.set_up(self)
self.config.load_zcml('everest.tests.complete_app:configure_rpr.zcml')
self.config.add_renderer('csv', RendererFactory)
self.config.add_view(context=get_collection_class(IMyEntity),
view=GetCollectionView,
renderer='csv',
request_method='GET',
custom_predicates=(accept_csv_only,))
def test_mapping_duplicate_tag(self):
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
mb_mp = mp_reg.find_or_create_mapping(MyEntityMember)
mb_tag = mb_mp.configuration.get_option(XML_TAG_OPTION)
mp.configuration.set_option(XML_TAG_OPTION, mb_tag)
mp.mapping_registry.set_mapping(mp)
with self.assert_raises(ValueError) as cm:
getattr(mp.mapping_registry, 'parsing_lookup')
self.assert_true(str(cm.exception).startswith('Duplicate tag'))
def set_up(self):
_PlantScribeResourcesBaseTestCase.set_up(self)
#
repo_mgr = get_repository_manager()
repo = repo_mgr.get(REPOSITORY_TYPES.RDB)
data_dir = os.path.join(os.path.dirname(__file__), 'data')
for coll_name, coll_cls in \
(('customer', get_collection_class(ICustomer)),
('project', get_collection_class(IProject)),
('site', get_collection_class(ISite)),
('species', get_collection_class(ISpecies)),
('incidence', get_collection_class(IIncidence)),
):
url = 'file://%s' % os.path.join(data_dir,
'%s-collection.csv' % coll_name)
repo.load_representation(coll_cls,
url,
content_type=CsvMime,
resolve_urls=True)
def __collect(self, resource):
ent_cls = get_entity_class(resource)
coll_cls = get_collection_class(resource)
cache = EntityCacheMap()
agg = StagingAggregate(ent_cls, cache)
coll = coll_cls.create_from_aggregate(agg)
coll.add(resource)
return dict([(get_member_class(ent_cls),
coll.get_root_collection(ent_cls))
for ent_cls in cache.keys()])
def __collect(self, resource):
ent_cls = get_entity_class(resource)
coll_cls = get_collection_class(resource)
cache = EntityCacheMap()
agg = StagingAggregate(ent_cls, cache)
coll = coll_cls.create_from_aggregate(agg)
coll.add(resource)
return dict([(get_member_class(ent_cls),
coll.get_root_collection(ent_cls))
for ent_cls in cache.keys()])
def _create_link_data_element(self, attribute, member_node):
if attribute.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
kind = RESOURCE_KINDS.MEMBER
rc_cls = get_member_class(attribute.value_type)
else:
kind = RESOURCE_KINDS.COLLECTION
rc_cls = get_collection_class(attribute.value_type)
return self._mapping.create_linked_data_element(
member_node, kind,
relation=rc_cls.relation,
title=rc_cls.title)
def test_mapping_duplicate_tag(self):
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
mb_mp = mp_reg.find_or_create_mapping(MyEntityMember)
mb_tag = mb_mp.configuration.get_option(XML_TAG_OPTION)
mp.configuration.set_option(XML_TAG_OPTION, mb_tag)
mp.mapping_registry.set_mapping(mp)
with self.assert_raises(ValueError) as cm:
getattr(mp.mapping_registry, 'parsing_lookup')
exc_msg = 'Duplicate tag "%s" ' % mb_tag
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def get_root_collection(self, rc):
"""
Returns a root collection for the given resource.
The root collection is created using a root aggregate fetched from
the same repository that was used to create the root aggregate for
this collection.
"""
root_agg = self.__aggregate.get_root_aggregate(rc)
coll_cls = get_collection_class(rc)
return coll_cls.create_from_aggregate(root_agg)
def test_mapping_duplicate_tag(self):
mp_reg = get_mapping_registry(XmlMime)
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
mb_mp = mp_reg.find_or_create_mapping(MyEntityMember)
mb_tag = mb_mp.configuration.get_option(XML_TAG_OPTION)
mp.configuration.set_option(XML_TAG_OPTION, mb_tag)
mp.mapping_registry.set_mapping(mp)
with self.assert_raises(ValueError) as cm:
getattr(mp.mapping_registry, 'parsing_lookup')
exc_msg = 'Duplicate tag "%s" ' % mb_tag
self.assert_not_equal(cm.exception.message.find(exc_msg), -1)
def get_root_collection(self, rc):
"""
Returns a root collection for the given resource.
The root collection is created using a root aggregate fetched from
the same repository that was used to create the root aggregate for
this collection.
"""
root_agg = self.__aggregate.get_root_aggregate(rc)
coll_cls = get_collection_class(rc)
return coll_cls.create_from_aggregate(root_agg)
def test_load_from_zipfile_invalid_extension(self):
strm = StringIO('w')
zipf = zipfile.ZipFile(strm, 'w')
coll_name = get_collection_name(get_collection_class(IMyEntity))
zipf.writestr('%s.foo' % coll_name, '')
zipf.close()
colls = [get_root_collection(IMyEntity)]
with self.assert_raises(ValueError) as cm:
dummy = load_into_collections_from_zipfile(colls, strm)
exc_msg = 'Could not infer MIME type'
self.assert_true(cm.exception.message.startswith(exc_msg))
def test_mapping_reset_lookup(self):
mp_reg = get_mapping_registry(XmlMime)
old_lookup = mp_reg.parsing_lookup
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
new_tag = 'my-new-entities'
mp.configuration.set_option(XML_TAG_OPTION, new_tag)
mp_reg.set_mapping(mp)
new_lookup = mp_reg.parsing_lookup
self.assert_false(old_lookup is new_lookup)
ns = mp.configuration.get_option(XML_NAMESPACE_OPTION)
cls_map = new_lookup.get_namespace(ns)
self.assert_equal(cls_map[new_tag], mp.data_element_class)
def test_mapping_reset_lookup(self):
mp_reg = get_mapping_registry(XmlMime)
old_lookup = mp_reg.parsing_lookup
mp = mp_reg.find_or_create_mapping(get_collection_class(IMyEntity))
new_tag = 'my-new-entities'
mp.configuration.set_option(XML_TAG_OPTION, new_tag)
mp_reg.set_mapping(mp)
new_lookup = mp_reg.parsing_lookup
self.assert_false(old_lookup is new_lookup)
ns = mp.configuration.get_option(XML_NAMESPACE_OPTION)
cls_map = new_lookup.get_namespace(ns)
self.assert_equal(cls_map[new_tag], mp.data_element_class)
def __process_link(self, link, attr):
if not self.__is_link(link):
raise ValueError('Value for nested attribute "%s" '
'is not a link.' % attr.repr_name)
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
kind = RESOURCE_KINDS.MEMBER
rc_cls = get_member_class(attr.value_type)
else:
kind = RESOURCE_KINDS.COLLECTION
rc_cls = get_collection_class(attr.value_type)
return self._mapping.create_linked_data_element(
link, kind, relation=rc_cls.relation, title=rc_cls.title)
def create_staging_collection(resource):
"""
Helper function to create a staging collection for the given registered
resource.
:param resource: registered resource
:type resource: class implementing or instance providing or subclass of
a registered resource interface.
"""
ent_cls = get_entity_class(resource)
coll_cls = get_collection_class(resource)
agg = StagingAggregate(ent_cls)
return coll_cls.create_from_aggregate(agg)
def __load_entities(self, entity_class):
coll_cls = get_collection_class(entity_class)
fn = get_read_collection_path(coll_cls, self._config['content_type'],
directory=self._config['directory'])
if not fn is None:
url = 'file://%s' % fn
coll = load_collection_from_url(coll_cls, url,
content_type=
self._config['content_type'])
ents = [mb.get_entity() for mb in coll]
else:
ents = []
return ents
def _data_callback(cls, value, options):
# Set the default for the report directory.
if options.report_directory is None:
options.report_directory = os.path.dirname(value)
coll_cls = get_collection_class(cls.registration_resource)
rpr = as_representer(object.__new__(coll_cls), JsonMime)
reg_items = rpr.from_stream(open(value, 'rU'))
# FIXME: This should be treated properly in everest.
if IMemberResource in provided_by(reg_items):
ents = [reg_items.get_entity()]
else:
ents = [rc.get_entity() for rc in reg_items]
return ents
def create_staging_collection(resource):
"""
Helper function to create a staging collection for the given registered
resource.
:param resource: registered resource
:type resource: class implementing or instance providing or subclass of
a registered resource interface.
"""
ent_cls = get_entity_class(resource)
coll_cls = get_collection_class(resource)
agg = StagingAggregate(ent_cls)
return coll_cls.create_from_aggregate(agg)
def _data_callback(cls, value, options):
# Set the default for the report directory.
if options.report_directory is None:
options.report_directory = os.path.dirname(value)
coll_cls = get_collection_class(cls.registration_resource)
rpr = as_representer(object.__new__(coll_cls), JsonMime)
reg_items = rpr.from_stream(open(value, 'rU'))
# FIXME: This should be treated properly in everest.
if IMemberResource in provided_by(reg_items):
ents = [reg_items.get_entity()]
else:
ents = [rc.get_entity() for rc in reg_items]
return ents
def get_collection(self, resource):
if not self.__is_initialized:
raise RuntimeError('Repository needs to be initialized.')
ent_cls = get_entity_class(resource)
root_coll = self.__cache.get(ent_cls)
if root_coll is None:
# Create a new root aggregate.
root_agg = self.__agg_cls.create(ent_cls, self.session_factory,
self)
# Create a new root collection.
coll_cls = get_collection_class(resource)
root_coll = coll_cls.create_from_aggregate(root_agg)
self.__cache[ent_cls] = root_coll
return root_coll.clone()
def get_collection(self, resource):
if not self.__is_initialized:
raise RuntimeError('Repository needs to be initialized.')
ent_cls = get_entity_class(resource)
root_coll = self.__cache.get(ent_cls)
if root_coll is None:
# Create a new root aggregate.
root_agg = self.__agg_cls.create(ent_cls, self.session_factory,
self)
# Create a new root collection.
coll_cls = get_collection_class(resource)
root_coll = coll_cls.create_from_aggregate(root_agg)
self.__cache[ent_cls] = root_coll
return root_coll.clone()
def __process_link(self, link, attr):
if not self.__is_link(link):
raise ValueError('Value for nested attribute "%s" '
'is not a link.' % attr.repr_name)
if attr.kind == RESOURCE_ATTRIBUTE_KINDS.MEMBER:
kind = RESOURCE_KINDS.MEMBER
rc_cls = get_member_class(attr.value_type)
else:
kind = RESOURCE_KINDS.COLLECTION
rc_cls = get_collection_class(attr.value_type)
return self._mapping.create_linked_data_element(link,
kind,
relation=
rc_cls.relation,
title=rc_cls.title)
def __dump_entities(self, entity_class):
cache = self._get_cache(entity_class)
coll_cls = get_collection_class(entity_class)
mb_cls = get_member_class(entity_class)
fn = get_write_collection_path(coll_cls,
self._config['content_type'],
directory=self._config['directory'])
# Wrap the entities in a temporary collection.
coll = create_staging_collection(coll_cls)
for ent in cache.iterator():
coll.add(mb_cls.create_from_entity(ent))
# Open stream for writing and dump the collection.
stream = file(fn, 'w')
with stream:
dump_resource(coll, stream,
content_type=self._config['content_type'])
def __dump_entities(self, entity_class):
cache = self._get_cache(entity_class)
coll_cls = get_collection_class(entity_class)
mb_cls = get_member_class(entity_class)
fn = get_write_collection_path(coll_cls,
self._config['content_type'],
directory=self._config['directory'])
# Wrap the entities in a temporary collection.
coll = create_staging_collection(coll_cls)
for ent in cache.iterator():
coll.add(mb_cls.create_from_entity(ent))
# Open stream for writing and dump the collection.
stream = file(fn, 'w')
with stream:
dump_resource(coll,
stream,
content_type=self._config['content_type'])
def __collect_mapped_attributes(self, mapped_class, key):
if isinstance(key, MappedAttributeKey):
names = key.names
else:
names = key
collected_mp_attrs = OrderedDict()
is_mapped_cls = mapped_class is self.__mapped_cls
if len(names) == 0 and is_mapped_cls:
# Bootstrapping: fetch resource attributes and create new
# mapped attributes.
rc_attrs = get_resource_class_attributes(self.__mapped_cls)
for rc_attr in itervalues_(rc_attrs):
attr_key = names + (rc_attr.resource_attr,)
attr_mp_opts = \
self.__configurations[-1].get_attribute_options(attr_key)
new_mp_attr = MappedAttribute(rc_attr, options=attr_mp_opts)
collected_mp_attrs[new_mp_attr.resource_attr] = new_mp_attr
else:
# Indirect access - fetch mapped attributes from some other
# class' mapping and clone.
if is_mapped_cls:
mp = self
elif len(names) == 0 and self.__is_collection_mapping:
if provides_member_resource(mapped_class):
# Mapping a polymorphic member class.
mapped_coll_cls = get_collection_class(mapped_class)
else:
# Mapping a derived collection class.
mapped_coll_cls = mapped_class
mp = self.__mp_reg.find_or_create_mapping(mapped_coll_cls)
else:
mp = self.__mp_reg.find_or_create_mapping(mapped_class)
mp_attrs = mp.get_attribute_map()
for mp_attr in itervalues_(mp_attrs):
attr_key = names + (mp_attr.name,)
attr_mp_opts = \
dict(((k, v)
for (k, v) in
iteritems_(self.__configurations[-1]
.get_attribute_options(attr_key))
if not v is None))
clnd_mp_attr = mp_attr.clone(options=attr_mp_opts)
collected_mp_attrs[mp_attr.resource_attr] = clnd_mp_attr
return collected_mp_attrs
def __collect_mapped_attributes(self, mapped_class, key):
if isinstance(key, MappedAttributeKey):
names = key.names
else:
names = key
collected_mp_attrs = OrderedDict()
is_mapped_cls = mapped_class is self.__mapped_cls
if len(names) == 0 and is_mapped_cls:
# Bootstrapping: fetch resource attributes and create new
# mapped attributes.
rc_attrs = get_resource_class_attributes(self.__mapped_cls)
for rc_attr in itervalues_(rc_attrs):
attr_key = names + (rc_attr.resource_attr,)
attr_mp_opts = \
self.__configurations[-1].get_attribute_options(attr_key)
new_mp_attr = MappedAttribute(rc_attr, options=attr_mp_opts)
collected_mp_attrs[new_mp_attr.resource_attr] = new_mp_attr
else:
# Indirect access - fetch mapped attributes from some other
# class' mapping and clone.
if is_mapped_cls:
mp = self
elif len(names) == 0 and self.__is_collection_mapping:
if provides_member_resource(mapped_class):
# Mapping a polymorphic member class.
mapped_coll_cls = get_collection_class(mapped_class)
else:
# Mapping a derived collection class.
mapped_coll_cls = mapped_class
mp = self.__mp_reg.find_or_create_mapping(mapped_coll_cls)
else:
mp = self.__mp_reg.find_or_create_mapping(mapped_class)
mp_attrs = mp.get_attribute_map()
for mp_attr in itervalues_(mp_attrs):
attr_key = names + (mp_attr.name,)
attr_mp_opts = \
dict(((k, v)
for (k, v) in
iteritems_(self.__configurations[-1]
.get_attribute_options(attr_key))
if not v is None))
clnd_mp_attr = mp_attr.clone(options=attr_mp_opts)
collected_mp_attrs[mp_attr.name] = clnd_mp_attr
return collected_mp_attrs
def get_collection(self, resource):
"""
Get a clone of the root collection for the given registered resource.
:param resource: Registered resource.
:raises RuntimeError: If the repository has not been initialized yet.
"""
if not self.__is_initialized:
raise RuntimeError('Repository needs to be initialized.')
ent_cls = get_entity_class(resource)
root_coll = self.__cache.get(ent_cls)
if root_coll is None:
coll_cls = get_collection_class(resource)
agg = self.__agg_cls.create(ent_cls, self.session_factory)
root_coll = coll_cls.create_from_aggregate(agg)
self.__cache[ent_cls] = root_coll
clone = root_coll.clone()
clone.__repository__ = self
return clone
def __get_q_tag(self, attr):
if not attr.namespace is None:
q_tag = '{%s}%s' % (attr.namespace, attr.repr_name)
else:
if attr.kind == ResourceAttributeKinds.TERMINAL:
xml_ns = \
self.mapping.configuration.get_option(XML_NAMESPACE_OPTION)
else:
if attr.kind == ResourceAttributeKinds.MEMBER:
attr_type = get_member_class(attr.value_type)
elif attr.kind == ResourceAttributeKinds.COLLECTION:
attr_type = get_collection_class(attr.value_type)
mp = self.mapping.mapping_registry.find_mapping(attr_type)
if not mp is None:
xml_ns = mp.configuration.get_option(XML_NAMESPACE_OPTION)
else:
# Not mapped.
xml_ns = None
if not xml_ns is None:
q_tag = '{%s}%s' % (xml_ns, attr.repr_name)
else:
q_tag = attr.repr_name
return q_tag
