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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69 lines
1.9 KiB
69 lines
1.9 KiB
2 years ago
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import typing as t
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from threading import local
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if t.TYPE_CHECKING:
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import typing_extensions as te
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from .core import Context
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_local = local()
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@t.overload
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def get_current_context(silent: "te.Literal[False]" = False) -> "Context":
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...
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@t.overload
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def get_current_context(silent: bool = ...) -> t.Optional["Context"]:
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...
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def get_current_context(silent: bool = False) -> t.Optional["Context"]:
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"""Returns the current click context. This can be used as a way to
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access the current context object from anywhere. This is a more implicit
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alternative to the :func:`pass_context` decorator. This function is
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primarily useful for helpers such as :func:`echo` which might be
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interested in changing its behavior based on the current context.
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To push the current context, :meth:`Context.scope` can be used.
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.. versionadded:: 5.0
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:param silent: if set to `True` the return value is `None` if no context
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is available. The default behavior is to raise a
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:exc:`RuntimeError`.
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"""
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try:
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return t.cast("Context", _local.stack[-1])
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except (AttributeError, IndexError) as e:
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if not silent:
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raise RuntimeError("There is no active click context.") from e
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return None
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def push_context(ctx: "Context") -> None:
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"""Pushes a new context to the current stack."""
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_local.__dict__.setdefault("stack", []).append(ctx)
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def pop_context() -> None:
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"""Removes the top level from the stack."""
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_local.stack.pop()
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def resolve_color_default(color: t.Optional[bool] = None) -> t.Optional[bool]:
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"""Internal helper to get the default value of the color flag. If a
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value is passed it's returned unchanged, otherwise it's looked up from
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the current context.
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"""
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if color is not None:
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return color
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ctx = get_current_context(silent=True)
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if ctx is not None:
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return ctx.color
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return None
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