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paths

paths #

Path rendering — shared by the navigation and bridge layers.

[render_path][] turns a path node into a readable root.a[..].b string for error messages.

render_path(node) #

A readable root.a[..].b rendering of a path position, for error messages.

Source code in capturegraph-lib/capturegraph/procedures/procedure/authoring/paths.py 
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def render_path(node: Procedure) -> str:
    """A readable ``root.a[..].b`` rendering of a path position, for error messages."""
    from capturegraph.procedures.nodes.destination.access import (
        GetRoot,
        PathAppend,
        PathField,
        PathIndex,
        PathKey,
        PathKeys,
        PathValues,
    )

    if isinstance(node, GetRoot):
        return "root"
    if isinstance(node, PathField):
        return f"{render_path(node.source)}.{node.field}"
    if isinstance(node, PathIndex):
        return f"{render_path(node.source)}[{node.index}]"
    if isinstance(node, PathKey):
        return f"{render_path(node.source)}[key]"
    if isinstance(node, PathAppend):
        return f"{render_path(node.source)}[+]"
    if isinstance(node, (PathKeys, PathValues)):
        return f"{render_path(node.source)}.{type(node).__name__}"
    return str(node)