Made an application for supporting sustainable local businesses in San Pancho.
Never really got completed, but it has some useful Svelte components for maps that we can reuse.
http://greenspots.dctrl.space
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76 lines
1.9 KiB
76 lines
1.9 KiB
2 years ago
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import inspect
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import typing as t
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from functools import wraps
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from .utils import _PassArg
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from .utils import pass_eval_context
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V = t.TypeVar("V")
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def async_variant(normal_func): # type: ignore
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def decorator(async_func): # type: ignore
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pass_arg = _PassArg.from_obj(normal_func)
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need_eval_context = pass_arg is None
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if pass_arg is _PassArg.environment:
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def is_async(args: t.Any) -> bool:
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return t.cast(bool, args[0].is_async)
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else:
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def is_async(args: t.Any) -> bool:
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return t.cast(bool, args[0].environment.is_async)
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@wraps(normal_func)
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def wrapper(*args, **kwargs): # type: ignore
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b = is_async(args)
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if need_eval_context:
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args = args[1:]
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if b:
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return async_func(*args, **kwargs)
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return normal_func(*args, **kwargs)
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if need_eval_context:
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wrapper = pass_eval_context(wrapper)
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wrapper.jinja_async_variant = True
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return wrapper
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return decorator
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_common_primitives = {int, float, bool, str, list, dict, tuple, type(None)}
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async def auto_await(value: t.Union[t.Awaitable["V"], "V"]) -> "V":
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# Avoid a costly call to isawaitable
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if type(value) in _common_primitives:
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return t.cast("V", value)
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if inspect.isawaitable(value):
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return await t.cast("t.Awaitable[V]", value)
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return t.cast("V", value)
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async def auto_aiter(
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iterable: "t.Union[t.AsyncIterable[V], t.Iterable[V]]",
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) -> "t.AsyncIterator[V]":
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if hasattr(iterable, "__aiter__"):
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async for item in t.cast("t.AsyncIterable[V]", iterable):
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yield item
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else:
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for item in t.cast("t.Iterable[V]", iterable):
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yield item
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async def auto_to_list(
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value: "t.Union[t.AsyncIterable[V], t.Iterable[V]]",
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) -> t.List["V"]:
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return [x async for x in auto_aiter(value)]
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