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Refactoring: Clarifying the responsabilities of each component #102

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Refactoring: Clarifying the responsabilities of each component #102

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7154f65
Add type hints on __call__() (#3)
gabrieldemarmiesse Aug 21, 2023
bc7d51e
:wrench: Ensure no pending methods before accessing cache or resolver…
gabrieldemarmiesse Aug 21, 2023
d9bc095
Simplify doc generation (#2)
gabrieldemarmiesse Aug 23, 2023
f5b21ea
Resolver is now immutable (#4)
gabrieldemarmiesse Aug 23, 2023
0a47a1a
Put cache in the resover (#5)
gabrieldemarmiesse Aug 30, 2023
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2 changes: 1 addition & 1 deletion check_linter_assertions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,7 @@ def run_linter(linter: str) -> str:
str: `stdout`.
"""
p = subprocess.Popen(
[linter, source_dir],
[sys.executable, "-m", linter, source_dir],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
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18 changes: 16 additions & 2 deletions plum/dispatcher.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
from typing import Any, Callable, Dict, Optional, Tuple, TypeVar, Union
from typing import Any, Callable, Dict, Optional, Tuple, TypeVar, Union, overload

from .function import Function
from .overload import get_overloads
Expand All @@ -23,7 +23,21 @@ def __init__(self):
self.functions: Dict[str, Function] = {}
self.classes: Dict[str, Dict[str, Function]] = {}

def __call__(self, method: Optional[T] = None, precedence: int = 0) -> T:
@overload
def __call__(self, method: Callable[..., Any], precedence: int = 0) -> Function:
...

@overload
def __call__(
self, method: None, precedence: int = 0
) -> Callable[[Callable[..., Any]], Function]:
...

def __call__(
self,
method: Optional[Callable[..., Any]] = None,
precedence: int = 0,
) -> Union[Function, Callable[[Callable[..., Any]], Function]]:
"""Decorator to register for a particular signature.
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@gabrieldemarmiesse I wonder if this is the more accurate way to type what @dispatch does. What do you think of something like the following?

from typing import TypeVar, Protocol

F = TypeVar("F")

class FunctionProtocol(Function, Protocol[F]):
    __call__: F


    ...

    @overload
    def __call__(self, method: None, precedence: int = 0) -> Union[
        Callable[[F], FunctionProtocol[F]],
        Callable[[F, int], FunctionProtocol[F]],
    ]:
        ...

    def __call__(self, method: F, precedence: int = 0) -> FunctionProtocol[F]:
        ...

I'm not sure if that actually works, but it might better capture the spirit of @dispatch: retain what the function does originally, but add Function-functionality to it.


Args:
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