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add additional typing for calling events

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This commit is contained in:
Khaleel Al-Adhami 2024-10-22 11:49:23 -07:00
parent d63b3a2bce
commit c8df48728b
1 changed files with 47 additions and 41 deletions
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88
reflex/event.py
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@ -16,6 +16,7 @@ from typing import (
Generic,
List,
Optional,
Self,
Tuple,
Type,
TypeVar,
@ -1445,13 +1446,8 @@ class LiteralEventChainVar(ArgsFunctionOperation, LiteralVar, EventChainVar):
)
G = ParamSpec("G")
IndividualEventType = Union[EventSpec, EventHandler, Callable[G, Any], Var[Any]]
EventType = Union[IndividualEventType[G], List[IndividualEventType[G]]]
P = ParamSpec("P")
Q = ParamSpec("Q")
T = TypeVar("T")
V = TypeVar("V")
V2 = TypeVar("V2")
@ -1474,49 +1470,47 @@ if sys.version_info >= (3, 10):
self.func = func
@overload
def __get__(
self: EventCallback[[V], T], instance: None, owner
) -> Callable[[Union[Var[V], V]], EventSpec]: ...
def __call__(
self: EventCallback[Concatenate[V, Q], T], value: V | Var[V]
) -> EventCallback[Q, T]: ...
@overload
def __get__(
self: EventCallback[[V, V2], T], instance: None, owner
) -> Callable[[Union[Var[V], V], Union[Var[V2], V2]], EventSpec]: ...
def __call__(
self: EventCallback[Concatenate[V, V2, Q], T],
value: V | Var[V],
value2: V2 | Var[V2],
) -> EventCallback[Q, T]: ...
@overload
def __get__(
self: EventCallback[[V, V2, V3], T], instance: None, owner
) -> Callable[
[Union[Var[V], V], Union[Var[V2], V2], Union[Var[V3], V3]],
EventSpec,
]: ...
def __call__(
self: EventCallback[Concatenate[V, V2, V3, Q], T],
value: V | Var[V],
value2: V2 | Var[V2],
value3: V3 | Var[V3],
) -> EventCallback[Q, T]: ...
@overload
def __get__(
self: EventCallback[[V, V2, V3, V4], T], instance: None, owner
) -> Callable[
[
Union[Var[V], V],
Union[Var[V2], V2],
Union[Var[V3], V3],
Union[Var[V4], V4],
],
EventSpec,
]: ...
def __call__(
self: EventCallback[Concatenate[V, V2, V3, V4, Q], T],
value: V | Var[V],
value2: V2 | Var[V2],
value3: V3 | Var[V3],
value4: V4 | Var[V4],
) -> EventCallback[Q, T]: ...
def __call__(self, *values) -> EventCallback: # type: ignore
"""Call the function with the values.
Args:
*values: The values to call the function with.
Returns:
The function with the values.
"""
return self.func(*values) # type: ignore
@overload
def __get__(
self: EventCallback[[V, V2, V3, V4, V5], T], instance: None, owner
) -> Callable[
[
Union[Var[V], V],
Union[Var[V2], V2],
Union[Var[V3], V3],
Union[Var[V4], V4],
Union[Var[V5], V5],
],
EventSpec,
]: ...
def __get__(self, instance: None, owner) -> Self: ...
@overload
def __get__(self, instance, owner) -> Callable[P, T]: ...
@ -1548,6 +1542,9 @@ if sys.version_info >= (3, 10):
return func # type: ignore
else:
class EventCallback(Generic[P, T]):
"""A descriptor that wraps a function to be used as an event."""
def event_handler(func: Callable[P, T]) -> Callable[P, T]:
"""Wrap a function to be used as an event.
@ -1560,6 +1557,15 @@ else:
return func
G = ParamSpec("G")
IndividualEventType = Union[
EventSpec, EventHandler, Callable[G, Any], EventCallback[G, Any], Var[Any]
]
EventType = Union[IndividualEventType[G], List[IndividualEventType[G]]]
class EventNamespace(types.SimpleNamespace):
"""A namespace for event related classes."""