two version of R2R are hereHEADmaster

1 files changed, 642 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/referencing/jsonschema.py b/.venv/lib/python3.12/site-packages/referencing/jsonschema.py
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+"""
+Referencing implementations for JSON Schema specs (historic & current).
+"""
+
+from __future__ import annotations
+
+from collections.abc import Iterable, Sequence, Set
+from typing import Any, Union
+
+from referencing import Anchor, Registry, Resource, Specification, exceptions
+from referencing._attrs import frozen
+from referencing._core import (
+    _UNSET,  # type: ignore[reportPrivateUsage]
+    Resolved as _Resolved,
+    Resolver as _Resolver,
+    _Unset,  # type: ignore[reportPrivateUsage]
+)
+from referencing.typing import URI, Anchor as AnchorType, Mapping
+
+#: A JSON Schema which is a JSON object
+ObjectSchema = Mapping[str, Any]
+
+#: A JSON Schema of any kind
+Schema = Union[bool, ObjectSchema]
+
+#: A Resource whose contents are JSON Schemas
+SchemaResource = Resource[Schema]
+
+#: A JSON Schema Registry
+SchemaRegistry = Registry[Schema]
+
+#: The empty JSON Schema Registry
+EMPTY_REGISTRY: SchemaRegistry = Registry()
+
+
+@frozen
+class UnknownDialect(Exception):
+    """
+    A dialect identifier was found for a dialect unknown by this library.
+
+    If it's a custom ("unofficial") dialect, be sure you've registered it.
+    """
+
+    uri: URI
+
+
+def _dollar_id(contents: Schema) -> URI | None:
+    if isinstance(contents, bool):
+        return
+    return contents.get("$id")
+
+
+def _legacy_dollar_id(contents: Schema) -> URI | None:
+    if isinstance(contents, bool) or "$ref" in contents:
+        return
+    id = contents.get("$id")
+    if id is not None and not id.startswith("#"):
+        return id
+
+
+def _legacy_id(contents: ObjectSchema) -> URI | None:
+    if "$ref" in contents:
+        return
+    id = contents.get("id")
+    if id is not None and not id.startswith("#"):
+        return id
+
+
+def _anchor(
+    specification: Specification[Schema],
+    contents: Schema,
+) -> Iterable[AnchorType[Schema]]:
+    if isinstance(contents, bool):
+        return
+    anchor = contents.get("$anchor")
+    if anchor is not None:
+        yield Anchor(
+            name=anchor,
+            resource=specification.create_resource(contents),
+        )
+
+    dynamic_anchor = contents.get("$dynamicAnchor")
+    if dynamic_anchor is not None:
+        yield DynamicAnchor(
+            name=dynamic_anchor,
+            resource=specification.create_resource(contents),
+        )
+
+
+def _anchor_2019(
+    specification: Specification[Schema],
+    contents: Schema,
+) -> Iterable[Anchor[Schema]]:
+    if isinstance(contents, bool):
+        return []
+    anchor = contents.get("$anchor")
+    if anchor is None:
+        return []
+    return [
+        Anchor(
+            name=anchor,
+            resource=specification.create_resource(contents),
+        ),
+    ]
+
+
+def _legacy_anchor_in_dollar_id(
+    specification: Specification[Schema],
+    contents: Schema,
+) -> Iterable[Anchor[Schema]]:
+    if isinstance(contents, bool):
+        return []
+    id = contents.get("$id", "")
+    if not id.startswith("#"):
+        return []
+    return [
+        Anchor(
+            name=id[1:],
+            resource=specification.create_resource(contents),
+        ),
+    ]
+
+
+def _legacy_anchor_in_id(
+    specification: Specification[ObjectSchema],
+    contents: ObjectSchema,
+) -> Iterable[Anchor[ObjectSchema]]:
+    id = contents.get("id", "")
+    if not id.startswith("#"):
+        return []
+    return [
+        Anchor(
+            name=id[1:],
+            resource=specification.create_resource(contents),
+        ),
+    ]
+
+
+def _subresources_of(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    """
+    Create a callable returning JSON Schema specification-style subschemas.
+
+    Relies on specifying the set of keywords containing subschemas in their
+    values, in a subobject's values, or in a subarray.
+    """
+
+    def subresources_of(contents: Schema) -> Iterable[ObjectSchema]:
+        if isinstance(contents, bool):
+            return
+        for each in in_value:
+            if each in contents:
+                yield contents[each]
+        for each in in_subarray:
+            if each in contents:
+                yield from contents[each]
+        for each in in_subvalues:
+            if each in contents:
+                yield from contents[each].values()
+
+    return subresources_of
+
+
+def _subresources_of_with_crazy_items(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    """
+    Specifically handle older drafts where there are some funky keywords.
+    """
+
+    def subresources_of(contents: Schema) -> Iterable[ObjectSchema]:
+        if isinstance(contents, bool):
+            return
+        for each in in_value:
+            if each in contents:
+                yield contents[each]
+        for each in in_subarray:
+            if each in contents:
+                yield from contents[each]
+        for each in in_subvalues:
+            if each in contents:
+                yield from contents[each].values()
+
+        items = contents.get("items")
+        if items is not None:
+            if isinstance(items, Sequence):
+                yield from items
+            else:
+                yield items
+
+    return subresources_of
+
+
+def _subresources_of_with_crazy_items_dependencies(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    """
+    Specifically handle older drafts where there are some funky keywords.
+    """
+
+    def subresources_of(contents: Schema) -> Iterable[ObjectSchema]:
+        if isinstance(contents, bool):
+            return
+        for each in in_value:
+            if each in contents:
+                yield contents[each]
+        for each in in_subarray:
+            if each in contents:
+                yield from contents[each]
+        for each in in_subvalues:
+            if each in contents:
+                yield from contents[each].values()
+
+        items = contents.get("items")
+        if items is not None:
+            if isinstance(items, Sequence):
+                yield from items
+            else:
+                yield items
+        dependencies = contents.get("dependencies")
+        if dependencies is not None:
+            values = iter(dependencies.values())
+            value = next(values, None)
+            if isinstance(value, Mapping):
+                yield value
+                yield from values
+
+    return subresources_of
+
+
+def _subresources_of_with_crazy_aP_items_dependencies(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    """
+    Specifically handle even older drafts where there are some funky keywords.
+    """
+
+    def subresources_of(contents: ObjectSchema) -> Iterable[ObjectSchema]:
+        for each in in_value:
+            if each in contents:
+                yield contents[each]
+        for each in in_subarray:
+            if each in contents:
+                yield from contents[each]
+        for each in in_subvalues:
+            if each in contents:
+                yield from contents[each].values()
+
+        items = contents.get("items")
+        if items is not None:
+            if isinstance(items, Sequence):
+                yield from items
+            else:
+                yield items
+        dependencies = contents.get("dependencies")
+        if dependencies is not None:
+            values = iter(dependencies.values())
+            value = next(values, None)
+            if isinstance(value, Mapping):
+                yield value
+                yield from values
+
+        for each in "additionalItems", "additionalProperties":
+            value = contents.get(each)
+            if isinstance(value, Mapping):
+                yield value
+
+    return subresources_of
+
+
+def _maybe_in_subresource(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    in_child = in_subvalues | in_subarray
+
+    def maybe_in_subresource(
+        segments: Sequence[int | str],
+        resolver: _Resolver[Any],
+        subresource: Resource[Any],
+    ) -> _Resolver[Any]:
+        _segments = iter(segments)
+        for segment in _segments:
+            if segment not in in_value and (
+                segment not in in_child or next(_segments, None) is None
+            ):
+                return resolver
+        return resolver.in_subresource(subresource)
+
+    return maybe_in_subresource
+
+
+def _maybe_in_subresource_crazy_items(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    in_child = in_subvalues | in_subarray
+
+    def maybe_in_subresource(
+        segments: Sequence[int | str],
+        resolver: _Resolver[Any],
+        subresource: Resource[Any],
+    ) -> _Resolver[Any]:
+        _segments = iter(segments)
+        for segment in _segments:
+            if segment == "items" and isinstance(
+                subresource.contents,
+                Mapping,
+            ):
+                return resolver.in_subresource(subresource)
+            if segment not in in_value and (
+                segment not in in_child or next(_segments, None) is None
+            ):
+                return resolver
+        return resolver.in_subresource(subresource)
+
+    return maybe_in_subresource
+
+
+def _maybe_in_subresource_crazy_items_dependencies(
+    in_value: Set[str] = frozenset(),
+    in_subvalues: Set[str] = frozenset(),
+    in_subarray: Set[str] = frozenset(),
+):
+    in_child = in_subvalues | in_subarray
+
+    def maybe_in_subresource(
+        segments: Sequence[int | str],
+        resolver: _Resolver[Any],
+        subresource: Resource[Any],
+    ) -> _Resolver[Any]:
+        _segments = iter(segments)
+        for segment in _segments:
+            if segment in {"items", "dependencies"} and isinstance(
+                subresource.contents,
+                Mapping,
+            ):
+                return resolver.in_subresource(subresource)
+            if segment not in in_value and (
+                segment not in in_child or next(_segments, None) is None
+            ):
+                return resolver
+        return resolver.in_subresource(subresource)
+
+    return maybe_in_subresource
+
+
+#: JSON Schema draft 2020-12
+DRAFT202012 = Specification(
+    name="draft2020-12",
+    id_of=_dollar_id,
+    subresources_of=_subresources_of(
+        in_value={
+            "additionalProperties",
+            "contains",
+            "contentSchema",
+            "else",
+            "if",
+            "items",
+            "not",
+            "propertyNames",
+            "then",
+            "unevaluatedItems",
+            "unevaluatedProperties",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf", "prefixItems"},
+        in_subvalues={
+            "$defs",
+            "definitions",
+            "dependentSchemas",
+            "patternProperties",
+            "properties",
+        },
+    ),
+    anchors_in=_anchor,
+    maybe_in_subresource=_maybe_in_subresource(
+        in_value={
+            "additionalProperties",
+            "contains",
+            "contentSchema",
+            "else",
+            "if",
+            "items",
+            "not",
+            "propertyNames",
+            "then",
+            "unevaluatedItems",
+            "unevaluatedProperties",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf", "prefixItems"},
+        in_subvalues={
+            "$defs",
+            "definitions",
+            "dependentSchemas",
+            "patternProperties",
+            "properties",
+        },
+    ),
+)
+#: JSON Schema draft 2019-09
+DRAFT201909 = Specification(
+    name="draft2019-09",
+    id_of=_dollar_id,
+    subresources_of=_subresources_of_with_crazy_items(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "contentSchema",
+            "else",
+            "if",
+            "not",
+            "propertyNames",
+            "then",
+            "unevaluatedItems",
+            "unevaluatedProperties",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={
+            "$defs",
+            "definitions",
+            "dependentSchemas",
+            "patternProperties",
+            "properties",
+        },
+    ),
+    anchors_in=_anchor_2019,
+    maybe_in_subresource=_maybe_in_subresource_crazy_items(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "contentSchema",
+            "else",
+            "if",
+            "not",
+            "propertyNames",
+            "then",
+            "unevaluatedItems",
+            "unevaluatedProperties",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={
+            "$defs",
+            "definitions",
+            "dependentSchemas",
+            "patternProperties",
+            "properties",
+        },
+    ),
+)
+#: JSON Schema draft 7
+DRAFT7 = Specification(
+    name="draft-07",
+    id_of=_legacy_dollar_id,
+    subresources_of=_subresources_of_with_crazy_items_dependencies(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "else",
+            "if",
+            "not",
+            "propertyNames",
+            "then",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+    anchors_in=_legacy_anchor_in_dollar_id,
+    maybe_in_subresource=_maybe_in_subresource_crazy_items_dependencies(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "else",
+            "if",
+            "not",
+            "propertyNames",
+            "then",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+)
+#: JSON Schema draft 6
+DRAFT6 = Specification(
+    name="draft-06",
+    id_of=_legacy_dollar_id,
+    subresources_of=_subresources_of_with_crazy_items_dependencies(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "not",
+            "propertyNames",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+    anchors_in=_legacy_anchor_in_dollar_id,
+    maybe_in_subresource=_maybe_in_subresource_crazy_items_dependencies(
+        in_value={
+            "additionalItems",
+            "additionalProperties",
+            "contains",
+            "not",
+            "propertyNames",
+        },
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+)
+#: JSON Schema draft 4
+DRAFT4 = Specification(
+    name="draft-04",
+    id_of=_legacy_id,
+    subresources_of=_subresources_of_with_crazy_aP_items_dependencies(
+        in_value={"not"},
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+    anchors_in=_legacy_anchor_in_id,
+    maybe_in_subresource=_maybe_in_subresource_crazy_items_dependencies(
+        in_value={"additionalItems", "additionalProperties", "not"},
+        in_subarray={"allOf", "anyOf", "oneOf"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+)
+#: JSON Schema draft 3
+DRAFT3 = Specification(
+    name="draft-03",
+    id_of=_legacy_id,
+    subresources_of=_subresources_of_with_crazy_aP_items_dependencies(
+        in_subarray={"extends"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+    anchors_in=_legacy_anchor_in_id,
+    maybe_in_subresource=_maybe_in_subresource_crazy_items_dependencies(
+        in_value={"additionalItems", "additionalProperties"},
+        in_subarray={"extends"},
+        in_subvalues={"definitions", "patternProperties", "properties"},
+    ),
+)
+
+
+_SPECIFICATIONS: Registry[Specification[Schema]] = Registry(
+    {
+        dialect_id: Resource.opaque(specification)
+        for dialect_id, specification in [
+            ("https://json-schema.org/draft/2020-12/schema", DRAFT202012),
+            ("https://json-schema.org/draft/2019-09/schema", DRAFT201909),
+            ("http://json-schema.org/draft-07/schema", DRAFT7),
+            ("http://json-schema.org/draft-06/schema", DRAFT6),
+            ("http://json-schema.org/draft-04/schema", DRAFT4),
+            ("http://json-schema.org/draft-03/schema", DRAFT3),
+        ]
+    },
+)
+
+
+def specification_with(
+    dialect_id: URI,
+    default: Specification[Any] | _Unset = _UNSET,
+) -> Specification[Any]:
+    """
+    Retrieve the `Specification` with the given dialect identifier.
+
+    Raises:
+
+        `UnknownDialect`
+
+            if the given ``dialect_id`` isn't known
+
+    """
+    resource = _SPECIFICATIONS.get(dialect_id.rstrip("#"))
+    if resource is not None:
+        return resource.contents
+    if default is _UNSET:
+        raise UnknownDialect(dialect_id)
+    return default
+
+
+@frozen
+class DynamicAnchor:
+    """
+    Dynamic anchors, introduced in draft 2020.
+    """
+
+    name: str
+    resource: SchemaResource
+
+    def resolve(self, resolver: _Resolver[Schema]) -> _Resolved[Schema]:
+        """
+        Resolve this anchor dynamically.
+        """
+        last = self.resource
+        for uri, registry in resolver.dynamic_scope():
+            try:
+                anchor = registry.anchor(uri, self.name).value
+            except exceptions.NoSuchAnchor:
+                continue
+            if isinstance(anchor, DynamicAnchor):
+                last = anchor.resource
+        return _Resolved(
+            contents=last.contents,
+            resolver=resolver.in_subresource(last),
+        )
+
+
+def lookup_recursive_ref(resolver: _Resolver[Schema]) -> _Resolved[Schema]:
+    """
+    Recursive references (via recursive anchors), present only in draft 2019.
+
+    As per the 2019 specification (§ 8.2.4.2.1), only the ``#`` recursive
+    reference is supported (and is therefore assumed to be the relevant
+    reference).
+    """
+    resolved = resolver.lookup("#")
+    if isinstance(resolved.contents, Mapping) and resolved.contents.get(
+        "$recursiveAnchor",
+    ):
+        for uri, _ in resolver.dynamic_scope():
+            next_resolved = resolver.lookup(uri)
+            if not isinstance(
+                next_resolved.contents,
+                Mapping,
+            ) or not next_resolved.contents.get("$recursiveAnchor"):
+                break
+            resolved = next_resolved
+    return resolved