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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68 lines
1.9 KiB
68 lines
1.9 KiB
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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