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# Copyright Pincer 2021-Present |
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# Full MIT License can be found in `LICENSE` at the project root. |
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from inspect import getfullargspec, Parameter, Signature |
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from typing import Any, Union, Callable, Mapping, List |
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from .types import Coro, TypeCache |
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from ..objects.message.context import MessageContext |
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def should_pass_cls(call: Union[Coro, Callable[..., Any]]) -> bool: |
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# TODO: fix docs |
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""" |
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Checks whether a callable requires a self/cls as first parameter. |
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Parameters |
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---------- |
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call: Union[Coro, Callable[..., Any]] |
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The callable to check. |
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Returns |
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------- |
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bool |
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Whether the callable requires a self/cls as first parameter. |
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""" |
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args = getfullargspec(call).args |
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return len(args) >= 1 and args[0] in ["self", "cls"] |
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def should_pass_gateway(call: Union[Coro, Callable[..., Any]]) -> bool: |
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# TODO: fix docs |
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""" |
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Checks whether a callable requires a dispatcher as last parameter. |
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Parameters |
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---------- |
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call: Union[Coro, Callable[..., Any]] |
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The callable to check. |
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Returns |
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------- |
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bool |
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Whether the callable requires a dispatcher as first parameter. |
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""" |
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args = getfullargspec(call).args |
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return len(args) >= 1 and args[1] in ["gateway", "shard"] |
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context_types = [Signature.empty, MessageContext] |
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def should_pass_ctx(sig: Mapping[str, Parameter], params: List[str]) -> bool: |
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# TODO: fix docs |
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""" |
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Parameters |
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---------- |
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sig |
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params |
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Returns |
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------- |
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""" |
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if not params: |
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return False |
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annotation = sig[params[0]].annotation |
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if isinstance(annotation, str): |
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TypeCache() |
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annotation = eval(annotation, TypeCache.cache, globals()) |
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return ( |
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annotation == MessageContext |
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or params[0] == "ctx" |
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) |
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Pincer-org /
Pincer
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