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""" |
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Typing Module |
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Attributes: |
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Node (Node): Node Type |
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Edge (Edge): Edge Type |
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Element (Element): Element Type |
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Extractor (Extractor): Source of data for an Element |
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UniverseNode (UniverseNode): The Universe Node Type. All Node Types are the implicit children of UniverseNodeType. |
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""" |
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from collections.abc import Callable, Iterable |
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from typing import Any, NamedTuple, NewType, Protocol, TypeAlias, TypeVar, Union |
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import networkx as nx |
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import networkx_mermaid as nxm |
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import strawberry |
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NodeTuple: TypeAlias = tuple[str, Any] |
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EdgeTuple: TypeAlias = tuple[str, str, Any] |
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IdentifierStr = NewType('IdentifierStr', str) |
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IdentifierStr.__doc__ = 'A string that is a valid Python identifier (i.e., `isidentifier()` is True).' |
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NodeTypeAbsoluteId = NewType('NodeTypeAbsoluteId', tuple[str, str]) |
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NodeTypeAbsoluteId.__doc__ = 'A unique identifier for a node type.' |
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class UniverseNode: |
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"""The UniverseNode Type. All Node Types are the implicit children of the Universe Node Type.""" |
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# A node in a graph. |
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Node = Union[type[NamedTuple], NodeTuple] # noqa: UP007 |
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# An edge in a graph. |
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Edge = Union[type[NamedTuple], EdgeTuple] # noqa: UP007 |
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# An element in a graph. |
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Element = Union[Node, Edge] # noqa: UP007 |
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# A source of data for an element. |
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Extractor = Union[str, Callable[[Any], str]] # noqa: UP007 |
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T = TypeVar('T') |
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class Items(Protocol): |
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"""Protocol for callable objects that return an iterable of items.""" |
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def __call__(self, **kwargs: Any) -> Iterable[T]: # pragma: no cover |
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... |
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class Nodes(Protocol): |
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"""Protocol for callable objects that return an iterable of nodes.""" |
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def __call__(self, **kwargs: Any) -> Iterable[Node]: # pragma: no cover |
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... |
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class Edges(Protocol): |
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"""Protocol for callable objects that return an iterable of edges.""" |
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def __call__(self, **kwargs: Any) -> Iterable[Edge]: # pragma: no cover |
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... |
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class Predicate(Protocol): |
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"""Protocol for callable objects that evaluate a condition.""" |
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def __call__(self, **kwargs: Any) -> bool: # pragma: no cover |
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... |
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class Supplier(Protocol): |
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"""Protocol for callable objects that supply a value.""" |
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def __call__(self) -> Any: # pragma: no cover |
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... |
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82
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GraphRepresentation = Union[dict, nx.Graph, strawberry.Schema, nxm.typing.MermaidDiagram, str] # noqa: UP007 |
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