def register(self, app: App) -> None:
for name, hasher in self.hashers.items():
hasher_class = import_string(hasher)
app.singleton(
hasher_class,
hasher_class,
aliases=f"hasher.{name}",
tags=["password_hasher"],
)
app.alias(f"hasher.{self.default}", PasswordHasher)
def test_imports_module(self):
var = import_string("tests")
assert isinstance(var, types.ModuleType)
def test_raises_if_string_malformed(self):
with pytest.raises(ImportError):
import_string("tests.test_utils.")
def test_raises_if_no_attribute(self):
with pytest.raises(ImportError):
import_string("tests.test_utils.invalid_import")
def test_returns_argument_if_not_string(self):
a = 1
var = import_string(a)
assert var == a
def test_imports_using_string(self):
var = import_string("tests.test_utils.variable_to_import")
assert var == variable_to_import
def include(self, module_name: str, callback: str = "configure") -> None:
fn_path = module_name + "." + callback
fn = import_string(fn_path)
fn(self)
def factory(app: App) -> Authenticator:
options_ = options or {}
provider = app.get(f"user_provider.{user_provider}")
cls = import_string(klass)
return cls(provider, **options_)
def _jinja_renderer(self, env: jinja2.Environment) -> JinjaRenderer:
processors = [
import_string(cp) if isinstance(cp, str) else cp
for cp in self.context_processors
]
return JinjaRenderer(env, processors)