def test_optional_list_of_str_param():
@serde
class Params:
p: Optional[List[str]] = None
params = from_url(Params, "?p=1")
assert params.p == ["1"]
params = from_url(Params, "")
assert params.p is None
def test_int_param():
@serde
class Params:
p: int
params = from_url(Params, "?p=1")
assert params.p == 1
with pytest.raises(InvalidPageParametersError):
from_url(Params, "")
def test_optional_str_param():
@serde
class Params:
p: Optional[str] = None
params = from_url(Params, "?p=1")
assert params.p == "1"
params = from_url(Params, "")
assert params.p is None
def test_list_of_str_param():
@serde
class Params:
p: List[str]
params = from_url(Params, "?p=1")
assert params.p == ["1"]
with pytest.raises(InvalidPageParametersError):
from_url(Params, "")
def test_bool_param():
@serde
class Params:
p: bool
params = from_url(Params, "?p=true")
assert params.p is True
params = from_url(Params, "?p=false")
assert params.p is False
def test_optional_list_of_float_param():
@serde
class Params:
p: Optional[List[float]] = None
params = from_url(Params, "?p=1")
assert params.p == [1.0]
params = from_url(Params, "")
assert params.p is None
def test_list_of_float_param():
@serde
class Params:
p: List[float]
params = from_url(Params, "?p=1")
assert params.p == [1.0]
with pytest.raises(InvalidPageParametersError):
from_url(Params, "")
def test_optional_float_param():
@serde
class Params:
p: Optional[float] = None
params = from_url(Params, "?p=1")
assert isinstance(params.p, float)
assert params.p == 1.0
params = from_url(Params, "")
assert params.p is None
def test_optional_int_param():
@serde
class Params:
p: Optional[int] = None
params = from_url(Params, "?p=1")
assert isinstance(params.p, int)
assert params.p == 1
params = from_url(Params, "")
assert params.p is None
def test_optional_bool_param():
@serde
class Params:
p: Optional[bool] = None
params = from_url(Params, "?p=true")
assert params.p is True
params = from_url(Params, "?p=false")
assert params.p is False
params = from_url(Params, "")
assert params.p is None
def test_ignore_unknown_flag():
@serde
class StrictParams:
a: Optional[int] = None
with pytest.raises(InvalidPageParametersError) as e:
from_url(StrictParams, "?foo=1", ignore_unknown=False)
assert "unexpected parameter foo" in str(e.value)
@serde
class NonStrictParams:
a: Optional[int] = None
from_url(NonStrictParams, "?foo=1")
def render_page(pathname: str, param_string: str, current_path_data):
if pathname is None:
raise PreventUpdate
logger.debug("Attempting to render page %s", pathname)
if pathname != "/" and pathname.endswith("/") or pathname.endswith(
"#"):
pathname = pathname[:-1]
if current_path_data:
# If nothing in the path / param_string has changed, don't actually do anything.
# NOTE: this is kind of a hack, since sometimes we have buttons w/ href='#',
# and we don't want to actually re-render the pages content when clicked.
if (current_path_data["pathname"] == pathname
and current_path_data["param_string"] == param_string):
raise PreventUpdate
updated_data = {"pathname": pathname, "param_string": param_string}
try:
PageClass = Page.by_name(pathname)
if PageClass.permissions:
if not current_user.is_authenticated:
PageClass = Page.by_name("/login")
params = PageClass.Params(next_pathname=pathname,
next_params=param_string)
return PageClass.from_params(params).render() + (
None, updated_data)
if PageClass.permissions > current_user.permissions:
raise NotPermittedError(
"You do not have adequate permissions to view this page"
)
params = from_url(PageClass.Params, param_string)
return PageClass.from_params(params).render() + (None,
updated_data)
except RegistrationError:
return (
[],
[],
[],
dbc.Toast(f"Page {pathname} not found",
header="404",
icon="danger"),
updated_data,
)
except InvalidPageParametersError as e:
return (
[],
[],
[],
dbc.Toast(str(e), header="Bad page parameters", icon="danger"),
updated_data,
)
except Exception as e:
logger.exception(e)
return (
[],
[],
[],
dbc.Toast(str(e), header=e.__class__.__name__, icon="danger"),
updated_data,
)
def test_from_url_and_serialize():
@serde
class Params:
a: int
params = from_url(Params, "?a=1")
assert params.a == 1
assert params == deserialize(Params, serialize(params))
