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212 lines
6.2 KiB
212 lines
6.2 KiB
from typing import Any, Callable, Dict, Iterable, List, Set, SupportsIndex, Union, overload |
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from . import events |
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class ObservableDict(dict): |
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def __init__(self, data: Dict, on_change: Callable) -> None: |
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super().__init__(data) |
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for key, value in self.items(): |
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super().__setitem__(key, make_observable(value, on_change)) |
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self.on_change = lambda: events.handle_event(on_change, events.ObservableChangeEventArguments(sender=self)) |
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def pop(self, k: Any, d: Any = None) -> Any: |
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item = super().pop(k, d) |
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self.on_change() |
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return item |
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def popitem(self) -> Any: |
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item = super().popitem() |
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self.on_change() |
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return item |
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def update(self, *args: Any, **kwargs: Any) -> None: |
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super().update(make_observable(dict(*args, **kwargs), self.on_change)) |
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self.on_change() |
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def clear(self) -> None: |
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super().clear() |
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self.on_change() |
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def setdefault(self, __key: Any, __default: Any = None) -> Any: |
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item = super().setdefault(__key, make_observable(__default, self.on_change)) |
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self.on_change() |
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return item |
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def __setitem__(self, __key: Any, __value: Any) -> None: |
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super().__setitem__(__key, make_observable(__value, self.on_change)) |
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self.on_change() |
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def __delitem__(self, __key: Any) -> None: |
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super().__delitem__(__key) |
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self.on_change() |
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def __or__(self, other: Any) -> Any: |
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return super().__or__(other) |
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def __ior__(self, other: Any) -> Any: |
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super().__ior__(make_observable(dict(other), self.on_change)) |
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self.on_change() |
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return self |
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class ObservableList(list): |
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def __init__(self, data: List, on_change: Callable) -> None: |
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super().__init__(data) |
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for i, item in enumerate(self): |
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super().__setitem__(i, make_observable(item, on_change)) |
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self.on_change = lambda: events.handle_event(on_change, events.ObservableChangeEventArguments(sender=self)) |
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def append(self, item: Any) -> None: |
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super().append(make_observable(item, self.on_change)) |
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self.on_change() |
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def extend(self, iterable: Iterable) -> None: |
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super().extend(make_observable(list(iterable), self.on_change)) |
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self.on_change() |
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def insert(self, index: SupportsIndex, obj: Any) -> None: |
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super().insert(index, make_observable(obj, self.on_change)) |
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self.on_change() |
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def remove(self, value: Any) -> None: |
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super().remove(value) |
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self.on_change() |
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def pop(self, index: SupportsIndex = -1) -> Any: |
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item = super().pop(index) |
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self.on_change() |
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return item |
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def clear(self) -> None: |
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super().clear() |
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self.on_change() |
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def sort(self, **kwargs: Any) -> None: |
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super().sort(**kwargs) |
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self.on_change() |
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def reverse(self) -> None: |
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super().reverse() |
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self.on_change() |
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def __delitem__(self, key: Union[SupportsIndex, slice]) -> None: |
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super().__delitem__(key) |
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self.on_change() |
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def __setitem__(self, key: Union[SupportsIndex, slice], value: Any) -> None: |
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super().__setitem__(key, make_observable(value, self.on_change)) |
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self.on_change() |
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def __add__(self, other: Any) -> Any: |
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return super().__add__(other) |
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def __iadd__(self, other: Any) -> Any: |
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super().__iadd__(make_observable(other, self.on_change)) |
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self.on_change() |
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return self |
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class ObservableSet(set): |
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def __init__(self, data: set, on_change: Callable) -> None: |
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super().__init__(data) |
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for item in self: |
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super().add(make_observable(item, on_change)) |
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self.on_change = lambda: events.handle_event(on_change, events.ObservableChangeEventArguments(sender=self)) |
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def add(self, item: Any) -> None: |
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super().add(make_observable(item, self.on_change)) |
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self.on_change() |
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def remove(self, item: Any) -> None: |
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super().remove(item) |
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self.on_change() |
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def discard(self, item: Any) -> None: |
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super().discard(item) |
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self.on_change() |
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def pop(self) -> Any: |
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item = super().pop() |
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self.on_change() |
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return item |
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def clear(self) -> None: |
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super().clear() |
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self.on_change() |
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def update(self, *s: Iterable[Any]) -> None: |
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super().update(make_observable(set(*s), self.on_change)) |
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self.on_change() |
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def intersection_update(self, *s: Iterable[Any]) -> None: |
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super().intersection_update(*s) |
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self.on_change() |
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def difference_update(self, *s: Iterable[Any]) -> None: |
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super().difference_update(*s) |
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self.on_change() |
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def symmetric_difference_update(self, *s: Iterable[Any]) -> None: |
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super().symmetric_difference_update(*s) |
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self.on_change() |
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def __or__(self, other: Any) -> Any: |
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return super().__or__(other) |
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def __ior__(self, other: Any) -> Any: |
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super().__ior__(make_observable(other, self.on_change)) |
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self.on_change() |
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return self |
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def __and__(self, other: Any) -> set: |
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return super().__and__(other) |
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def __iand__(self, other: Any) -> Any: |
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super().__iand__(make_observable(other, self.on_change)) |
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self.on_change() |
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return self |
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def __sub__(self, other: Any) -> set: |
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return super().__sub__(other) |
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def __isub__(self, other: Any) -> Any: |
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super().__isub__(make_observable(other, self.on_change)) |
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self.on_change() |
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return self |
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def __xor__(self, other: Any) -> set: |
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return super().__xor__(other) |
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def __ixor__(self, other: Any) -> Any: |
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super().__ixor__(make_observable(other, self.on_change)) |
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self.on_change() |
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return self |
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@overload |
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def make_observable(data: Dict, on_change: Callable) -> ObservableDict: |
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... |
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@overload |
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def make_observable(data: List, on_change: Callable) -> ObservableList: |
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... |
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@overload |
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def make_observable(data: Set, on_change: Callable) -> ObservableSet: |
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... |
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def make_observable(data: Any, on_change: Callable) -> Any: |
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if isinstance(data, dict): |
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return ObservableDict(data, on_change) |
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if isinstance(data, list): |
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return ObservableList(data, on_change) |
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if isinstance(data, set): |
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return ObservableSet(data, on_change) |
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return data
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