def get_backend_cls(backend, loader=None):
"""Get backend class by name/alias"""
loader = loader or current_app.loader
if backend not in _backend_cache:
aliases = dict(BACKEND_ALIASES, **loader.override_backends)
_backend_cache[backend] = get_cls_by_name(backend, aliases)
return _backend_cache[backend]
def get_backend_cls(backend, loader=None):
"""Get backend class by name/alias"""
loader = loader or current_app.loader
if backend not in _backend_cache:
aliases = dict(BACKEND_ALIASES, **loader.override_backends)
try:
_backend_cache[backend] = get_cls_by_name(backend, aliases)
except ValueError, exc:
raise ValueError("Unknown result backend: %r. "
"Did you spell it correctly? (%s)" % (backend,
exc))
def get_backend_cls(backend, loader=None):
"""Get backend class by name/alias"""
loader = loader or current_app.loader
if backend not in _backend_cache:
aliases = dict(BACKEND_ALIASES, **loader.override_backends)
try:
_backend_cache[backend] = get_cls_by_name(backend, aliases)
except ValueError, exc:
raise ValueError("Unknown result backend: %r. "
"Did you spell it correctly? (%s)" %
(backend, exc))
def config_from_object(self, obj, silent=False):
if isinstance(obj, basestring):
try:
obj = get_cls_by_name(obj, imp=self.import_from_cwd)
except (ImportError, AttributeError):
if silent:
return False
raise
if not hasattr(obj, "__getitem__"):
obj = DictAttribute(obj)
self._conf = obj
return True
def config_from_object(self, obj, silent=False):
if isinstance(obj, basestring):
try:
obj = get_cls_by_name(obj, imp=self.import_from_cwd)
except (ImportError, AttributeError):
if silent:
return False
raise
if not hasattr(obj, "__getitem__"):
obj = DictAttribute(obj)
self._conf = obj
return True
def find_symbol(origin, sym):
"""Find symbol in module relative by ``origin``.
E.g. if ``origin`` is an object in the module ``package.foo``,
then::
>>> find_symbol(origin, '.bar.my_symbol')
will return the object ``my_symbol`` from module ``package.bar``.
"""
return get_cls_by_name(sym,
package=find_package(getattr(origin, '__module__', None
or origin.__class__.__module__)))
def find_symbol(origin, sym):
"""Find symbol in module relative by ``origin``.
E.g. if ``origin`` is an object in the module ``package.foo``,
then::
>>> find_symbol(origin, '.bar.my_symbol')
will return the object ``my_symbol`` from module ``package.bar``.
"""
return get_cls_by_name(sym,
package=find_package(
getattr(origin, '__module__', None
or origin.__class__.__module__)))
def test_get_cls_by_name__instance_returns_instance(self):
instance = object()
self.assertIs(utils.get_cls_by_name(instance), instance)
def get_cls_by_name(self, name):
from celery.utils import get_cls_by_name, import_from_cwd
return get_cls_by_name(name, imp=import_from_cwd)
def get_backend_cls(backend):
"""Get backend class by name/alias"""
if backend not in _backend_cache:
aliases = dict(BACKEND_ALIASES, **current_loader().override_backends)
_backend_cache[backend] = get_cls_by_name(backend, aliases)
return _backend_cache[backend]
def get_cls_by_name(self, name):
from celery.utils import get_cls_by_name, import_from_cwd
return get_cls_by_name(name, imp=import_from_cwd)
def get_backend_cls(backend):
"""Get backend class by name/alias"""
if backend not in _backend_cache:
_backend_cache[backend] = get_cls_by_name(backend, BACKEND_ALIASES)
return _backend_cache[backend]
def get_loader_cls(loader):
"""Get loader class by name/alias"""
return get_cls_by_name(loader, LOADER_ALIASES)
def get_implementation(cls):
return get_cls_by_name(cls, ALIASES)
def loader(self):
return get_cls_by_name('loader.NodeLoader', imp = import_from_cwd)(app = self)
def test_get_cls_by_name__instance_returns_instance(self):
instance = object()
self.assertIs(utils.get_cls_by_name(instance), instance)
def get_backend_cls(backend):
if backend not in _backend_cache:
_backend_cache[backend] = get_cls_by_name(backend, BACKEND_ALIASES)
return _backend_cache[backend]
def instance_dir(self):
return get_cls_by_name('cyme.conf.CYME_INSTANCE_DIR')
def get_loader_cls(loader):
"""Get loader class by name/alias"""
return get_cls_by_name(loader, LOADER_ALIASES)
def get_backend_cls(backend):
"""Get backend class by name/alias"""
if backend not in _backend_cache:
aliases = dict(BACKEND_ALIASES, **current_loader().override_backends)
_backend_cache[backend] = get_cls_by_name(backend, aliases)
return _backend_cache[backend]
def get_result(self):
if not self._result:
from celery.utils import get_cls_by_name
Task = get_cls_by_name(self.task_name)
self._result = Task.AsyncResult(self.task_id)
return self._result
