v0.2.0 of nwb_schema_language - parentization

.github/workflows/tests.yml

@@ -46,6 +46,10 @@ jobs:
         run: pytest
         working-directory: nwb_linkml
 
+      - name: Run nwb_schema_language Tests
+        run: pytest
+        working-directory: nwb_schema_language
+
       - name: Coveralls Parallel
         uses: coverallsapp/github-action@v2.3.0
         if: runner.os != 'macOS'

nwb_linkml/pyproject.toml

@@ -12,7 +12,7 @@ dependencies = [
     "nwb-models>=0.2.0",
     "pyyaml>=6.0",
     "linkml-runtime>=1.7.7",
-    "nwb-schema-language>=0.1.3",
+    "nwb-schema-language>=0.2.0",
     "rich>=13.5.2",
     #"linkml>=1.7.10",
     "linkml @ git+https://github.com/sneakers-the-rat/linkml@nwb-linkml",

nwb_linkml/src/nwb_linkml/adapters/adapter.py

@@ -170,6 +170,10 @@ class Adapter(BaseModel):
                 # so skip to avoid combinatoric walking
                 if key == "imports" and type(input).__name__ == "SchemaAdapter":
                     continue
+                # nwb_schema_language objects have a reference to their parent,
+                # which causes cycles
+                if key == "parent":
+                    continue
                 val = getattr(input, key)
                 yield (key, val)
                 if isinstance(val, (BaseModel, dict, list)):

nwb_linkml/src/nwb_linkml/adapters/group.py

@@ -29,7 +29,7 @@ class GroupAdapter(ClassAdapter):
         """
         # Handle container groups with only * quantity unnamed groups
         if (
-            len(self.cls.groups) > 0
+            self.cls.groups
             and not self.cls.links
             and all([self._check_if_container(g) for g in self.cls.groups])
         ):  # and \
@@ -38,8 +38,8 @@ class GroupAdapter(ClassAdapter):
 
         # handle if we are a terminal container group without making a new class
         if (
-            len(self.cls.groups) == 0
-            and len(self.cls.datasets) == 0
+            not self.cls.groups
+            and not self.cls.datasets
             and self.cls.neurodata_type_inc is not None
             and self.parent is not None
         ):
@@ -177,15 +177,17 @@ class GroupAdapter(ClassAdapter):
         # Datasets are simple, they are terminal classes, and all logic
         # for creating slots vs. classes is handled by the adapter class
         dataset_res = BuildResult()
-        for dset in self.cls.datasets:
-            dset_adapter = DatasetAdapter(cls=dset, parent=self)
-            dataset_res += dset_adapter.build()
+        if self.cls.datasets:
+            for dset in self.cls.datasets:
+                dset_adapter = DatasetAdapter(cls=dset, parent=self)
+                dataset_res += dset_adapter.build()
 
         group_res = BuildResult()
 
-        for group in self.cls.groups:
-            group_adapter = GroupAdapter(cls=group, parent=self)
-            group_res += group_adapter.build()
+        if self.cls.groups:
+            for group in self.cls.groups:
+                group_adapter = GroupAdapter(cls=group, parent=self)
+                group_res += group_adapter.build()
 
         res = dataset_res + group_res
 

nwb_linkml/src/nwb_linkml/adapters/namespaces.py

@@ -9,11 +9,12 @@ import contextlib
 from copy import copy
 from pathlib import Path
 from pprint import pformat
-from typing import Dict, List, Optional
+from typing import Dict, Generator, List, Optional
 
 from linkml_runtime.dumpers import yaml_dumper
 from linkml_runtime.linkml_model import Annotation, SchemaDefinition
 from pydantic import Field, model_validator
+import networkx as nx
 
 from nwb_linkml.adapters.adapter import Adapter, BuildResult
 from nwb_linkml.adapters.schema import SchemaAdapter
@@ -31,6 +32,9 @@ class NamespacesAdapter(Adapter):
     schemas: List[SchemaAdapter]
     imported: List["NamespacesAdapter"] = Field(default_factory=list)
 
+    _completed: bool = False
+    """whether we have run the :meth:`.complete_namespace` method"""
+
     @classmethod
     def from_yaml(cls, path: Path) -> "NamespacesAdapter":
         """
@@ -65,7 +69,7 @@ class NamespacesAdapter(Adapter):
                 needed_adapter = NamespacesAdapter.from_yaml(needed_source_ns)
                 ns_adapter.imported.append(needed_adapter)
 
-        ns_adapter.populate_imports()
+        ns_adapter.complete_namespaces()
 
         return ns_adapter
 
@@ -76,6 +80,9 @@ class NamespacesAdapter(Adapter):
         Build the NWB namespace to the LinkML Schema
         """
 
+        if not self._completed:
+            self.complete_namespaces()
+
         sch_result = BuildResult()
         for sch in self.schemas:
             if progress is not None:
@@ -149,6 +156,50 @@ class NamespacesAdapter(Adapter):
                     break
         return self
 
+    def complete_namespaces(self):
+        """
+        After loading the namespace, and after any imports have been added afterwards,
+        this must be called to complete the definitions of the contained schema objects.
+
+        This is not automatic because NWB doesn't have a formal dependency resolution system,
+        so it is often impossible to know which imports are needed until after the namespace
+        adapter has been instantiated.
+
+        It **is** automatically called if it hasn't been already by the :meth:`.build` method.
+        """
+        self.populate_imports()
+        self._roll_down_inheritance()
+
+        for i in self.imported:
+            i.complete_namespaces()
+
+        self._completed = True
+
+    def _roll_down_inheritance(self):
+        """
+        nwb-schema-language inheritance doesn't work like normal python inheritance -
+        instead of inheriting everything at the 'top level' of a class, it also
+        recursively merges all properties from the parent objects.
+
+        References:
+            https://github.com/NeurodataWithoutBorders/pynwb/issues/1954
+        """
+        pass
+
+    def inheritance_graph(self) -> nx.DiGraph:
+        """
+        Make a graph of all ``neurodata_types`` in the namespace and imports such that
+        each node contains the group or dataset it describes,
+        and has directed edges pointing at all the classes that inherit from it.
+
+        In the case that the inheriting class does not itself have a ``neurodata_type_def``,
+        it is
+        """
+        g = nx.DiGraph()
+        for sch in self.all_schemas():
+            for cls in sch.created_classes:
+                pass
+
     def find_type_source(self, name: str) -> SchemaAdapter:
         """
         Given some neurodata_type_inc, find the schema that it's defined in.
@@ -279,3 +330,13 @@ class NamespacesAdapter(Adapter):
             if name in sources:
                 return ns.name
         return None
+
+    def all_schemas(self) -> Generator[SchemaAdapter, None, None]:
+        """
+        Iterator over all schemas including imports
+        """
+        for sch in self.schemas:
+            yield sch
+        for imported in self.imported:
+            for sch in imported:
+                yield sch

nwb_linkml/tests/test_adapters/test_adapter_namespaces.py

@@ -1,6 +1,7 @@
 import pytest
-
-from nwb_linkml.adapters import SchemaAdapter
+from pathlib import Path
+from nwb_linkml.adapters import NamespacesAdapter, SchemaAdapter
+from nwb_schema_language import Attribute, Group, Namespace, Dataset, Namespaces, Schema, FlatDtype
 
 
 @pytest.mark.parametrize(
@@ -48,8 +49,7 @@ def test_skip_imports(nwb_core_fixture):
     assert all([ns == "core" for ns in namespaces])
 
 
-@pytest.mark.skip()
-def test_populate_inheritance(nwb_core_fixture):
+def test_roll_down_inheritance():
     """
     Classes should receive and override the properties of their parents
     when they have neurodata_type_inc
@@ -59,4 +59,74 @@ def test_populate_inheritance(nwb_core_fixture):
     Returns:
 
     """
-    pass
+    parent_cls = Group(
+        neurodata_type_def="Parent",
+        doc="parent",
+        attributes=[
+            Attribute(name="a", dims=["a", "b"], shape=[1, 2], doc="a", value="a"),
+            Attribute(name="b", dims=["c", "d"], shape=[3, 4], doc="b", value="b"),
+        ],
+        datasets=[
+            Dataset(
+                name="data",
+                dims=["a", "b"],
+                shape=[1, 2],
+                doc="data",
+                attributes=[
+                    Attribute(name="c", dtype=FlatDtype.int32, doc="c"),
+                    Attribute(name="d", dtype=FlatDtype.int32, doc="d"),
+                ],
+            )
+        ],
+    )
+    parent_sch = Schema(source="parent.yaml")
+    parent_ns = Namespaces(
+        namespaces=[
+            Namespace(
+                author="hey",
+                contact="sup",
+                name="parent",
+                doc="a parent",
+                version="1",
+                schema=[parent_sch],
+            )
+        ]
+    )
+
+    child_cls = Group(
+        neurodata_type_def="Child",
+        neurodata_type_inc="Parent",
+        doc="child",
+        attributes=[Attribute(name="a", doc="a")],
+        datasets=[
+            Dataset(
+                name="data",
+                doc="data again",
+                attributes=[Attribute(name="a", doc="c", value="z"), Attribute(name="c", doc="c")],
+            )
+        ],
+    )
+    child_sch = Schema(source="child.yaml")
+    child_ns = Namespaces(
+        namespaces=[
+            Namespace(
+                author="hey",
+                contact="sup",
+                name="child",
+                doc="a child",
+                version="1",
+                schema=[child_sch, Schema(namespace="parent")],
+            )
+        ]
+    )
+
+    parent_schema_adapter = SchemaAdapter(path=Path("parent.yaml"), groups=[parent_cls])
+    parent_ns_adapter = NamespacesAdapter(namespaces=parent_ns, schemas=[parent_schema_adapter])
+    child_schema_adapter = SchemaAdapter(path=Path("child.yaml"), groups=[child_cls])
+    child_ns_adapter = NamespacesAdapter(
+        namespaces=child_ns, schemas=[child_schema_adapter], imported=[parent_ns_adapter]
+    )
+
+    child_ns_adapter.complete_namespaces()
+
+    child = child_ns_adapter.get("Child")

nwb_schema_language/Makefile

@@ -6,7 +6,7 @@ SHELL := bash
 .SUFFIXES:
 .SECONDARY:
 
-RUN = poetry run
+RUN = pdm run
 # get values from about.yaml file
 SCHEMA_NAME = $(shell ${SHELL} ./utils/get-value.sh name)
 SOURCE_SCHEMA_PATH = $(shell ${SHELL} ./utils/get-value.sh source_schema_path)
@@ -107,7 +107,7 @@ gen-project: $(PYMODEL)
 	$(RUN) gen-project ${GEN_PARGS} -d $(DEST) $(SOURCE_SCHEMA_PATH) && mv $(DEST)/*.py $(PYMODEL)
 
 gen-pydantic: $(PYMODEL)
-	$(RUN) gen-pydantic $(SOURCE_SCHEMA_PATH) --pydantic_version 2 > $(PYMODEL)/nwb_schema_pydantic.py
+	$(RUN) generate_pydantic
 	$(RUN) run_patches --phase post_generation_pydantic
 
 test: test-schema test-python test-examples

nwb_schema_language/pyproject.toml

@@ -9,7 +9,7 @@ dependencies = [
     "linkml-runtime>=1.7.7",
     "pydantic>=2.3.0",
 ]
-version = "0.1.3"
+version = "0.2.0"
 description = "Translation of the nwb-schema-language to LinkML"
 readme = "README.md"
 
@@ -20,6 +20,7 @@ documentation = "https://nwb-linkml.readthedocs.io"
 
 [project.scripts]
 run_patches = "nwb_schema_language.patches:main"
+generate_pydantic = "nwb_schema_language.generator:generate"
 
 [tool.pdm]
 [tool.pdm.dev-dependencies]

nwb_schema_language/src/nwb_schema_language/__init__.py

@@ -22,10 +22,10 @@ try:
     DTypeType = Union[List[CompoundDtype], FlatDtype, ReferenceDtype]
 
 
-except (NameError, RecursionError):
+except (NameError, RecursionError) as e:
     warnings.warn(
         "Error importing pydantic classes, passing because we might be in the process of patching"
-        " them, but it is likely they are broken and you will be unable to use them!",
+        f" them, but it is likely they are broken and you will be unable to use them!\n{e}",
         stacklevel=1,
     )
 

nwb_schema_language/src/nwb_schema_language/datamodel/nwb_schema_pydantic.py

@@ -1,14 +1,13 @@
 from __future__ import annotations
-from datetime import datetime, date
-from enum import Enum
-from typing import List, Dict, Optional, Any, Union
-from pydantic import BaseModel as BaseModel, Field
-import sys
 
-if sys.version_info >= (3, 8):
-    from typing import Literal
-else:
-    from typing_extensions import Literal
+import re
+import sys
+from datetime import date, datetime, time
+from decimal import Decimal
+from enum import Enum
+from typing import Any, ClassVar, Dict, List, Literal, Optional, Union
+
+from pydantic import BaseModel, ConfigDict, Field, RootModel, field_validator, model_validator
 
 
 metamodel_version = "None"
@@ -16,11 +15,81 @@ version = "None"
 
 
 class ConfiguredBaseModel(BaseModel):
+    model_config = ConfigDict(
+        validate_assignment=False,
+        validate_default=True,
+        extra="forbid",
+        arbitrary_types_allowed=True,
+        use_enum_values=True,
+        strict=False,
+    )
     pass
 
 
-class ReftypeOptions(str, Enum):
+class LinkMLMeta(RootModel):
+    root: Dict[str, Any] = {}
+    model_config = ConfigDict(frozen=True)
 
+    def __getattr__(self, key: str):
+        return getattr(self.root, key)
+
+    def __getitem__(self, key: str):
+        return self.root[key]
+
+    def __setitem__(self, key: str, value):
+        self.root[key] = value
+
+    def __contains__(self, key: str) -> bool:
+        return key in self.root
+
+
+class ParentizeMixin(BaseModel):
+
+    @model_validator(mode="after")
+    def parentize(self):
+        """Set the parent attribute for all our fields they have one"""
+        for field_name in self.model_fields:
+            if field_name == "parent":
+                continue
+            field = getattr(self, field_name)
+            if not isinstance(field, list):
+                field = [field]
+            for item in field:
+                if hasattr(item, "parent"):
+                    item.parent = self
+
+        return self
+
+
+linkml_meta = LinkMLMeta(
+    {
+        "default_prefix": "nwb_schema_language",
+        "default_range": "string",
+        "description": "Translation of the nwb-schema-language to LinkML",
+        "id": "https://w3id.org/p2p_ld/nwb-schema-language",
+        "imports": ["linkml:types"],
+        "license": "GNU GPL v3.0",
+        "name": "nwb-schema-language",
+        "prefixes": {
+            "linkml": {"prefix_prefix": "linkml", "prefix_reference": "https://w3id.org/linkml/"},
+            "nwb_schema_language": {
+                "prefix_prefix": "nwb_schema_language",
+                "prefix_reference": "https://w3id.org/p2p_ld/nwb-schema-language/",
+            },
+            "schema": {"prefix_prefix": "schema", "prefix_reference": "http://schema.org/"},
+        },
+        "see_also": ["https://p2p_ld.github.io/nwb-schema-language"],
+        "settings": {
+            "email": {"setting_key": "email", "setting_value": "\\S+@\\S+{\\.\\w}+"},
+            "protected_string": {"setting_key": "protected_string", "setting_value": "^[A-Za-z_][A-Za-z0-9_]*$"},
+        },
+        "source_file": "/Users/jonny/git/p2p-ld/nwb-linkml/nwb_schema_language/src/nwb_schema_language/schema/nwb_schema_language.yaml",
+        "title": "nwb-schema-language",
+    }
+)
+
+
+class ReftypeOptions(str, Enum):
     # Reference to another group or dataset of the given target_type
     ref = "ref"
     # Reference to another group or dataset of the given target_type
@@ -32,7 +101,6 @@ class ReftypeOptions(str, Enum):
 
 
 class QuantityEnum(str, Enum):
-
     # Zero or more instances, equivalent to zero_or_many
     ASTERISK = "*"
     # Zero or one instances, equivalent to zero_or_one
@@ -48,7 +116,6 @@ class QuantityEnum(str, Enum):
 
 
 class FlatDtype(str, Enum):
-
     # single precision floating point (32 bit)
     float = "float"
     # single precision floating point (32 bit)
@@ -100,164 +167,642 @@ class FlatDtype(str, Enum):
 
 
 class Namespace(ConfiguredBaseModel):
-
-    doc: str = Field(..., description="""Description of corresponding object.""")
-    name: str = Field(...)
-    full_name: Optional[str] = Field(
-        None, description="""Optional string with extended full name for the namespace."""
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {
+            "from_schema": "https://w3id.org/p2p_ld/nwb-schema-language",
+            "slot_usage": {"name": {"name": "name", "required": True}},
+        }
     )
-    version: str = Field(...)
+
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
+    )
+    name: str = Field(
+        ...,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    full_name: Optional[str] = Field(
+        None,
+        description="""Optional string with extended full name for the namespace.""",
+        json_schema_extra={"linkml_meta": {"alias": "full_name", "domain_of": ["Namespace"]}},
+    )
+    version: str = Field(..., json_schema_extra={"linkml_meta": {"alias": "version", "domain_of": ["Namespace"]}})
     date: Optional[datetime] = Field(
-        None, description="""Date that a namespace was last modified or released"""
+        None,
+        description="""Date that a namespace was last modified or released""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "date",
+                "domain_of": ["Namespace"],
+                "examples": [{"value": "2017-04-25 17:14:13"}],
+                "slot_uri": "schema:dateModified",
+            }
+        },
     )
     author: List[str] | str = Field(
-        default_factory=list,
+        ...,
         description="""List of strings with the names of the authors of the namespace.""",
+        json_schema_extra={"linkml_meta": {"alias": "author", "domain_of": ["Namespace"], "slot_uri": "schema:author"}},
     )
     contact: List[str] | str = Field(
-        default_factory=list,
+        ...,
         description="""List of strings with the contact information for the authors. Ordering of the contacts should match the ordering of the authors.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "contact",
+                "domain_of": ["Namespace"],
+                "slot_uri": "schema:email",
+                "structured_pattern": {"interpolated": True, "syntax": "{email}"},
+            }
+        },
     )
     schema_: Optional[List[Schema]] = Field(
+        None,
         alias="schema",
-        default_factory=list,
         description="""List of the schema to be included in this namespace.""",
+        json_schema_extra={"linkml_meta": {"alias": "schema_", "domain_of": ["Namespace"]}},
     )
 
 
 class Namespaces(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
-    namespaces: Optional[List[Namespace]] = Field(default_factory=list)
+    namespaces: Optional[List[Namespace]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "namespaces", "domain_of": ["Namespaces"]}}
+    )
 
 
 class Schema(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {
+            "from_schema": "https://w3id.org/p2p_ld/nwb-schema-language",
+            "rules": [
+                {
+                    "description": "If namespace is absent, source is required",
+                    "postconditions": {"slot_conditions": {"source": {"name": "source", "required": True}}},
+                    "preconditions": {
+                        "slot_conditions": {"namespace": {"name": "namespace", "value_presence": "ABSENT"}}
+                    },
+                },
+                {
+                    "description": "If source is absent, namespace is required.",
+                    "postconditions": {"slot_conditions": {"namespace": {"name": "namespace", "required": True}}},
+                    "preconditions": {"slot_conditions": {"source": {"name": "source", "value_presence": "ABSENT"}}},
+                },
+                {
+                    "description": "If namespace is present, source is cannot be",
+                    "postconditions": {"slot_conditions": {"source": {"name": "source", "value_presence": "ABSENT"}}},
+                    "preconditions": {
+                        "slot_conditions": {"namespace": {"name": "namespace", "value_presence": "PRESENT"}}
+                    },
+                },
+                {
+                    "description": "If source is present, namespace cannot be.",
+                    "postconditions": {
+                        "slot_conditions": {"namespace": {"name": "namespace", "value_presence": "ABSENT"}}
+                    },
+                    "preconditions": {"slot_conditions": {"source": {"name": "source", "value_presence": "PRESENT"}}},
+                },
+            ],
+        }
+    )
 
     source: Optional[str] = Field(
         None,
         description="""describes the name of the YAML (or JSON) file with the schema specification. The schema files should be located in the same folder as the namespace file.""",
+        json_schema_extra={"linkml_meta": {"alias": "source", "domain_of": ["Schema"]}},
     )
     namespace: Optional[str] = Field(
         None,
         description="""describes a named reference to another namespace. In contrast to source, this is a reference by name to a known namespace (i.e., the namespace is resolved during the build and must point to an already existing namespace). This mechanism is used to allow, e.g., extension of a core namespace (here the NWB core namespace) without requiring hard paths to the files describing the core namespace. Either source or namespace must be specified, but not both.""",
+        json_schema_extra={"linkml_meta": {"alias": "namespace", "domain_of": ["Schema"]}},
     )
     title: Optional[str] = Field(
-        None, description="""a descriptive title for a file for documentation purposes."""
+        None,
+        description="""a descriptive title for a file for documentation purposes.""",
+        json_schema_extra={"linkml_meta": {"alias": "title", "domain_of": ["Schema"]}},
     )
     neurodata_types: Optional[List[Union[Dataset, Group]]] = Field(
-        default_factory=list,
+        None,
         description="""an optional list of strings indicating which data types should be included from the given specification source or namespace. The default is null indicating that all data types should be included.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "neurodata_types",
+                "any_of": [{"range": "Dataset"}, {"range": "Group"}],
+                "domain_of": ["Schema"],
+            }
+        },
+    )
+    doc: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
     )
-    doc: Optional[str] = Field(None)
 
 
-class Group(ConfiguredBaseModel):
+class Group(ConfiguredBaseModel, ParentizeMixin):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
     neurodata_type_def: Optional[str] = Field(
         None,
         description="""Used alongside neurodata_type_inc to indicate inheritance, naming, and mixins""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "neurodata_type_def",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
     )
     neurodata_type_inc: Optional[str] = Field(
         None,
         description="""Used alongside neurodata_type_def to indicate inheritance, naming, and mixins""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "neurodata_type_inc",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    name: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    default_name: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "default_name",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
+    )
+    quantity: Optional[Union[QuantityEnum, int]] = Field(
+        "1",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "quantity",
+                "any_of": [{"minimum_value": 1, "range": "integer"}, {"range": "QuantityEnum"}],
+                "domain_of": ["Group", "Link", "Dataset"],
+                "ifabsent": "int(1)",
+                "todos": ["logic to check that the corresponding class can only be " "implemented quantity times."],
+            }
+        },
+    )
+    linkable: Optional[bool] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "linkable", "domain_of": ["Group", "Dataset"]}}
+    )
+    attributes: Optional[List[Attribute]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "attributes", "domain_of": ["Group", "Dataset"]}}
+    )
+    datasets: Optional[List[Dataset]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "datasets", "domain_of": ["Group", "Datasets"]}}
+    )
+    groups: Optional[List[Group]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "groups", "domain_of": ["Group", "Groups"]}}
+    )
+    links: Optional[List[Link]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "links", "domain_of": ["Group"]}}
+    )
+    parent: Optional[Group] = Field(
+        None,
+        exclude=True,
+        description="""The parent group that contains this dataset or group""",
+        json_schema_extra={"linkml_meta": {"alias": "parent", "domain_of": ["Group", "Attribute", "Dataset"]}},
     )
-    name: Optional[str] = Field(None)
-    default_name: Optional[str] = Field(None)
-    doc: str = Field(..., description="""Description of corresponding object.""")
-    quantity: Optional[Union[QuantityEnum, int]] = Field(1)
-    linkable: Optional[bool] = Field(None)
-    attributes: Optional[List[Attribute]] = Field(default_factory=list)
-    datasets: Optional[List[Dataset]] = Field(default_factory=list)
-    groups: Optional[List[Group]] = Field(default_factory=list)
-    links: Optional[List[Link]] = Field(default_factory=list)
 
 
 class Groups(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
-    groups: Optional[List[Group]] = Field(default_factory=list)
+    groups: Optional[List[Group]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "groups", "domain_of": ["Group", "Groups"]}}
+    )
 
 
 class Link(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
-    name: Optional[str] = Field(None)
-    doc: str = Field(..., description="""Description of corresponding object.""")
+    name: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
+    )
     target_type: str = Field(
         ...,
         description="""Describes the neurodata_type of the target that the reference points to""",
+        json_schema_extra={"linkml_meta": {"alias": "target_type", "domain_of": ["Link", "ReferenceDtype"]}},
+    )
+    quantity: Optional[Union[QuantityEnum, int]] = Field(
+        "1",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "quantity",
+                "any_of": [{"minimum_value": 1, "range": "integer"}, {"range": "QuantityEnum"}],
+                "domain_of": ["Group", "Link", "Dataset"],
+                "ifabsent": "int(1)",
+                "todos": ["logic to check that the corresponding class can only be " "implemented quantity times."],
+            }
+        },
     )
-    quantity: Optional[Union[QuantityEnum, int]] = Field(1)
 
 
 class Datasets(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
-    datasets: Optional[List[Dataset]] = Field(default_factory=list)
+    datasets: Optional[List[Dataset]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "datasets", "domain_of": ["Group", "Datasets"]}}
+    )
 
 
 class ReferenceDtype(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language"})
 
     target_type: str = Field(
         ...,
         description="""Describes the neurodata_type of the target that the reference points to""",
+        json_schema_extra={"linkml_meta": {"alias": "target_type", "domain_of": ["Link", "ReferenceDtype"]}},
     )
     reftype: Optional[ReftypeOptions] = Field(
-        None, description="""describes the kind of reference"""
+        None,
+        description="""describes the kind of reference""",
+        json_schema_extra={"linkml_meta": {"alias": "reftype", "domain_of": ["ReferenceDtype"]}},
     )
 
 
 class CompoundDtype(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {
+            "from_schema": "https://w3id.org/p2p_ld/nwb-schema-language",
+            "slot_usage": {
+                "dtype": {
+                    "any_of": [{"range": "ReferenceDtype"}, {"range": "FlatDtype"}],
+                    "multivalued": False,
+                    "name": "dtype",
+                    "required": True,
+                },
+                "name": {"name": "name", "required": True},
+            },
+        }
+    )
 
-    name: str = Field(...)
-    doc: str = Field(..., description="""Description of corresponding object.""")
-    dtype: Union[FlatDtype, ReferenceDtype] = Field(...)
+    name: str = Field(
+        ...,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
+    )
+    dtype: Union[FlatDtype, ReferenceDtype] = Field(
+        ...,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dtype",
+                "any_of": [{"range": "ReferenceDtype"}, {"range": "FlatDtype"}],
+                "domain_of": ["CompoundDtype", "DtypeMixin"],
+            }
+        },
+    )
 
 
 class DtypeMixin(ConfiguredBaseModel):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {
+            "from_schema": "https://w3id.org/p2p_ld/nwb-schema-language",
+            "mixin": True,
+            "rules": [
+                {
+                    "postconditions": {"slot_conditions": {"dtype": {"multivalued": False, "name": "dtype"}}},
+                    "preconditions": {"slot_conditions": {"dtype": {"name": "dtype", "range": "FlatDtype"}}},
+                }
+            ],
+        }
+    )
 
     dtype: Optional[Union[List[CompoundDtype], FlatDtype, ReferenceDtype]] = Field(
-        default_factory=list
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dtype",
+                "any_of": [{"range": "FlatDtype"}, {"range": "CompoundDtype"}, {"range": "ReferenceDtype"}],
+                "domain_of": ["CompoundDtype", "DtypeMixin"],
+            }
+        },
     )
 
 
 class Attribute(DtypeMixin):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {
+            "from_schema": "https://w3id.org/p2p_ld/nwb-schema-language",
+            "mixins": ["DtypeMixin"],
+            "slot_usage": {
+                "name": {"name": "name", "required": True},
+                "parent": {"any_of": [{"range": "Group"}, {"range": "Dataset"}], "name": "parent"},
+            },
+        }
+    )
 
-    name: str = Field(...)
-    dims: Optional[List[Union[Any, str]]] = Field(None)
-    shape: Optional[List[Union[Any, int, str]]] = Field(None)
+    name: str = Field(
+        ...,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    dims: Optional[List[Union[Any, str]]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dims",
+                "any_of": [{"range": "string"}, {"range": "AnyType"}],
+                "domain_of": ["Attribute", "Dataset"],
+                "todos": [
+                    "Can't quite figure out how to allow an array of arrays - see "
+                    "https://github.com/linkml/linkml/issues/895"
+                ],
+            }
+        },
+    )
+    shape: Optional[List[Union[Any, int, str]]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "shape",
+                "any_of": [
+                    {"minimum_value": 1, "range": "integer"},
+                    {"equals_string": "null", "range": "string"},
+                    {"range": "AnyType"},
+                ],
+                "domain_of": ["Attribute", "Dataset"],
+                "todos": [
+                    "Can't quite figure out how to allow an array of arrays - see "
+                    "https://github.com/linkml/linkml/issues/895"
+                ],
+            }
+        },
+    )
     value: Optional[Any] = Field(
-        None, description="""Optional constant, fixed value for the attribute."""
+        None,
+        description="""Optional constant, fixed value for the attribute.""",
+        json_schema_extra={"linkml_meta": {"alias": "value", "domain_of": ["Attribute", "Dataset"]}},
     )
     default_value: Optional[Any] = Field(
-        None, description="""Optional default value for variable-valued attributes."""
+        None,
+        description="""Optional default value for variable-valued attributes.""",
+        json_schema_extra={"linkml_meta": {"alias": "default_value", "domain_of": ["Attribute", "Dataset"]}},
+    )
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
     )
-    doc: str = Field(..., description="""Description of corresponding object.""")
     required: Optional[bool] = Field(
         True,
         description="""Optional boolean key describing whether the attribute is required. Default value is True.""",
+        json_schema_extra={"linkml_meta": {"alias": "required", "domain_of": ["Attribute"], "ifabsent": "true"}},
+    )
+    parent: Optional[Union[Dataset, Group]] = Field(
+        None,
+        exclude=True,
+        description="""The parent group that contains this dataset or group""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "parent",
+                "any_of": [{"range": "Group"}, {"range": "Dataset"}],
+                "domain_of": ["Group", "Attribute", "Dataset"],
+            }
+        },
+    )
+    dtype: Optional[Union[List[CompoundDtype], FlatDtype, ReferenceDtype]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dtype",
+                "any_of": [{"range": "FlatDtype"}, {"range": "CompoundDtype"}, {"range": "ReferenceDtype"}],
+                "domain_of": ["CompoundDtype", "DtypeMixin"],
+            }
+        },
     )
-    dtype: Optional[Union[List[CompoundDtype], FlatDtype, ReferenceDtype]] = Field(None)
 
 
-class Dataset(DtypeMixin):
+class Dataset(ConfiguredBaseModel, ParentizeMixin):
+    linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta(
+        {"from_schema": "https://w3id.org/p2p_ld/nwb-schema-language", "mixins": ["DtypeMixin"]}
+    )
 
     neurodata_type_def: Optional[str] = Field(
         None,
         description="""Used alongside neurodata_type_inc to indicate inheritance, naming, and mixins""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "neurodata_type_def",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
     )
     neurodata_type_inc: Optional[str] = Field(
         None,
         description="""Used alongside neurodata_type_def to indicate inheritance, naming, and mixins""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "neurodata_type_inc",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    name: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "name",
+                "domain_of": ["Namespace", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    default_name: Optional[str] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "default_name",
+                "domain_of": ["Group", "Dataset"],
+                "structured_pattern": {"interpolated": True, "syntax": "{protected_string}"},
+            }
+        },
+    )
+    dims: Optional[List[Union[Any, str]]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dims",
+                "any_of": [{"range": "string"}, {"range": "AnyType"}],
+                "domain_of": ["Attribute", "Dataset"],
+                "todos": [
+                    "Can't quite figure out how to allow an array of arrays - see "
+                    "https://github.com/linkml/linkml/issues/895"
+                ],
+            }
+        },
+    )
+    shape: Optional[List[Union[Any, int, str]]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "shape",
+                "any_of": [
+                    {"minimum_value": 1, "range": "integer"},
+                    {"equals_string": "null", "range": "string"},
+                    {"range": "AnyType"},
+                ],
+                "domain_of": ["Attribute", "Dataset"],
+                "todos": [
+                    "Can't quite figure out how to allow an array of arrays - see "
+                    "https://github.com/linkml/linkml/issues/895"
+                ],
+            }
+        },
     )
-    name: Optional[str] = Field(None)
-    default_name: Optional[str] = Field(None)
-    dims: Optional[List[Union[Any, str]]] = Field(None)
-    shape: Optional[List[Union[Any, int, str]]] = Field(None)
     value: Optional[Any] = Field(
-        None, description="""Optional constant, fixed value for the attribute."""
+        None,
+        description="""Optional constant, fixed value for the attribute.""",
+        json_schema_extra={"linkml_meta": {"alias": "value", "domain_of": ["Attribute", "Dataset"]}},
     )
     default_value: Optional[Any] = Field(
-        None, description="""Optional default value for variable-valued attributes."""
+        None,
+        description="""Optional default value for variable-valued attributes.""",
+        json_schema_extra={"linkml_meta": {"alias": "default_value", "domain_of": ["Attribute", "Dataset"]}},
     )
-    doc: str = Field(..., description="""Description of corresponding object.""")
-    quantity: Optional[Union[QuantityEnum, int]] = Field(1)
-    linkable: Optional[bool] = Field(None)
-    attributes: Optional[List[Attribute]] = Field(None)
-    dtype: Optional[Union[List[CompoundDtype], FlatDtype, ReferenceDtype]] = Field(None)
+    doc: str = Field(
+        ...,
+        description="""Description of corresponding object.""",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "doc",
+                "domain_of": ["Namespace", "Schema", "Group", "Attribute", "Link", "Dataset", "CompoundDtype"],
+            }
+        },
+    )
+    quantity: Optional[Union[QuantityEnum, int]] = Field(
+        "1",
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "quantity",
+                "any_of": [{"minimum_value": 1, "range": "integer"}, {"range": "QuantityEnum"}],
+                "domain_of": ["Group", "Link", "Dataset"],
+                "ifabsent": "int(1)",
+                "todos": ["logic to check that the corresponding class can only be " "implemented quantity times."],
+            }
+        },
+    )
+    linkable: Optional[bool] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "linkable", "domain_of": ["Group", "Dataset"]}}
+    )
+    attributes: Optional[List[Attribute]] = Field(
+        None, json_schema_extra={"linkml_meta": {"alias": "attributes", "domain_of": ["Group", "Dataset"]}}
+    )
+    parent: Optional[Group] = Field(
+        None,
+        exclude=True,
+        description="""The parent group that contains this dataset or group""",
+        json_schema_extra={"linkml_meta": {"alias": "parent", "domain_of": ["Group", "Attribute", "Dataset"]}},
+    )
+    dtype: Optional[Union[List[CompoundDtype], FlatDtype, ReferenceDtype]] = Field(
+        None,
+        json_schema_extra={
+            "linkml_meta": {
+                "alias": "dtype",
+                "any_of": [{"range": "FlatDtype"}, {"range": "CompoundDtype"}, {"range": "ReferenceDtype"}],
+                "domain_of": ["CompoundDtype", "DtypeMixin"],
+            }
+        },
+    )
+
+
+# Model rebuild
+# see https://pydantic-docs.helpmanual.io/usage/models/#rebuilding-a-model
+Namespace.model_rebuild()
+Namespaces.model_rebuild()
+Schema.model_rebuild()
+Group.model_rebuild()
+Groups.model_rebuild()
+Link.model_rebuild()
+Datasets.model_rebuild()
+ReferenceDtype.model_rebuild()
+CompoundDtype.model_rebuild()
+DtypeMixin.model_rebuild()
+Attribute.model_rebuild()
+Dataset.model_rebuild()

nwb_schema_language/src/nwb_schema_language/generator.py

@@ -0,0 +1,52 @@
+from pathlib import Path
+from dataclasses import dataclass
+
+from linkml.generators.pydanticgen import PydanticGenerator
+from linkml.generators.pydanticgen.build import ClassResult
+from linkml.generators.pydanticgen.template import Import, ObjectImport
+from linkml_runtime import SchemaView
+from pydantic import BaseModel, model_validator
+
+
+class ParentizeMixin(BaseModel):
+
+    @model_validator(mode="after")
+    def parentize(self):
+        """Set the parent attribute for all our fields they have one"""
+        for field_name in self.model_fields:
+            if field_name == "parent":
+                continue
+            field = getattr(self, field_name)
+            if not isinstance(field, list):
+                field = [field]
+            for item in field:
+                if hasattr(item, "parent"):
+                    item.parent = self
+
+        return self
+
+
+@dataclass
+class NWBSchemaLangGenerator(PydanticGenerator):
+
+    def __init__(self, *args, **kwargs):
+        kwargs["injected_classes"] = [ParentizeMixin]
+        kwargs["imports"] = [
+            Import(module="pydantic", objects=[ObjectImport(name="model_validator")])
+        ]
+        kwargs["black"] = True
+        super().__init__(*args, **kwargs)
+
+    def after_generate_class(self, cls: ClassResult, sv: SchemaView) -> ClassResult:
+        if cls.cls.name in ("Dataset", "Group"):
+            cls.cls.bases = ["ConfiguredBaseModel", "ParentizeMixin"]
+        return cls
+
+
+def generate():
+    schema = Path(__file__).parent / "schema" / "nwb_schema_language.yaml"
+    output = Path(__file__).parent / "datamodel" / "nwb_schema_pydantic.py"
+    generator = NWBSchemaLangGenerator(schema=schema)
+    generated = generator.serialize()
+    with open(output, "w") as ofile:
+        ofile.write(generated)

nwb_schema_language/src/nwb_schema_language/patches.py

@@ -49,8 +49,15 @@ class Patch:
 patch_schema_slot = Patch(
     phase=Phases.post_generation_pydantic,
     path=Path("src/nwb_schema_language/datamodel/nwb_schema_pydantic.py"),
-    match=r"\n\s*(schema:)(.*Field\()(.*)",
-    replacement=r'\n    schema_:\2alias="schema", \3',
+    match=r"\n\s*(schema:)(.*Field\(\n\s*None,\n)(.*)",
+    replacement=r'\n    schema_:\2        alias="schema",\n\3',
+)
+
+patch_schema_slot_no_newline = Patch(
+    phase=Phases.post_generation_pydantic,
+    path=Path("src/nwb_schema_language/datamodel/nwb_schema_pydantic.py"),
+    match=r"\n\s*(schema:)(.*Field\(None,)(.*)",
+    replacement=r'\n    schema_:\2 alias="schema", \3',
 )
 
 patch_dtype_single_multiple = Patch(
@@ -74,6 +81,20 @@ patch_contact_single_multiple = Patch(
     replacement="contact: List[str] | str",
 )
 
+patch_validate_assignment = Patch(
+    phase=Phases.post_generation_pydantic,
+    path=Path("src/nwb_schema_language/datamodel/nwb_schema_pydantic.py"),
+    match=r"validate_assignment=True",
+    replacement="validate_assignment=False",
+)
+
+patch_exclude_parent = Patch(
+    phase=Phases.post_generation_pydantic,
+    path=Path("src/nwb_schema_language/datamodel/nwb_schema_pydantic.py"),
+    match=r"(parent:.*Field\(\n\s*None,\n)(.*)",
+    replacement=r"\1        exclude=True,\n\2",
+)
+
 
 def run_patches(phase: Phases, verbose: bool = False) -> None:
     """

nwb_schema_language/src/nwb_schema_language/schema/nwb_schema_language.yaml

@@ -78,6 +78,7 @@ classes:
       - datasets
       - groups
       - links
+      - parent
 
   Groups:
     slots:
@@ -94,9 +95,14 @@ classes:
       - default_value
       - doc
       - required
+      - parent
     slot_usage:
       name:
         required: true
+      parent:
+        any_of:
+          - range: Group
+          - range: Dataset
 
   Link:
     slots:
@@ -121,6 +127,7 @@ classes:
       - quantity
       - linkable
       - attributes
+      - parent
 
   Datasets:
     slots:
@@ -177,7 +184,7 @@ slots:
     description: Optional string with extended full name for the namespace.
   version:
     required: true
-    pattern: "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
+#    pattern: "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$"
   date:
     range: datetime
     slot_uri: schema:dateModified
@@ -207,7 +214,6 @@ slots:
   # schema
   source:
     description: describes the name of the YAML (or JSON) file with the schema specification. The schema files should be located in the same folder as the namespace file.
-    pattern: ".*\\.(yml|yaml|json)"
   namespace:
     description: describes a named reference to another namespace. In contrast to source, this is a reference by name to a known namespace (i.e., the namespace is resolved during the build and must point to an already existing namespace). This mechanism is used to allow, e.g., extension of a core namespace (here the NWB core namespace) without requiring hard paths to the files describing the core namespace. Either source or namespace must be specified, but not both.
   namespaces:
@@ -312,6 +318,11 @@ slots:
     description: describes the kind of reference
     range: reftype_options
 
+  # extra - not defined in nwb-schema-language but useful when working with class objects
+  parent:
+    description: The parent group that contains this dataset or group
+    range: Group
+    required: false
 
 
 enums:

nwb_schema_language/tests/test_data.py

@@ -1,23 +0,0 @@
-"""Data test."""
-
-import os
-import glob
-import unittest
-
-from linkml_runtime.loaders import yaml_loader
-from nwb_schema_language.datamodel.nwb_schema_language import Namespaces
-
-ROOT = os.path.join(os.path.dirname(__file__), "..")
-DATA_DIR = os.path.join(ROOT, "src", "data", "tests")
-
-EXAMPLE_FILES = glob.glob(os.path.join(DATA_DIR, "*.yaml"))
-
-
-class TestData(unittest.TestCase):
-    """Test data and datamodel."""
-
-    def test_namespaces(self):
-        """Date test."""
-        namespace_file = [f for f in EXAMPLE_FILES if "namespace.yaml" in f][0]
-        obj = yaml_loader.load(namespace_file, target_class=Namespaces)
-        assert obj

nwb_schema_language/tests/test_mixins.py

@@ -0,0 +1,31 @@
+from nwb_schema_language import Group, Dataset, Attribute
+
+
+def test_parentize_mixin():
+    """
+    the parentize mixin should populate the "parent" attribute for applicable children
+    """
+    dset_attr = Attribute(name="dset_attr", doc="")
+    dset = Dataset(
+        name="dataset", doc="", attributes=[dset_attr, {"name": "dict_based_attr", "doc": ""}]
+    )
+    group_attr = Attribute(name="group_attr", doc="")
+    group = Group(
+        name="group",
+        doc="",
+        attributes=[group_attr, {"name": "dict_based_attr", "doc": ""}],
+        datasets=[dset, {"name": "dict_based_dset", "doc": ""}],
+    )
+
+    assert dset_attr.parent is dset
+    assert dset.attributes[1].name == "dict_based_attr"
+    assert dset.attributes[1].parent is dset
+    assert dset.parent is group
+    assert group_attr.parent is group
+    assert group.attributes[1].name == "dict_based_attr"
+    assert group.attributes[1].parent is group
+    assert group.datasets[1].name == "dict_based_dset"
+    assert group.datasets[1].parent is group
+
+    dumped = group.model_dump()
+    assert "parent" not in dumped