1 files changed, 49 insertions, 0 deletions
diff --git a/bsie/matcher/nodes.py b/bsie/matcher/nodes.py
new file mode 100644
index 0000000..047e7d1
--- /dev/null
+++ b/bsie/matcher/nodes.py
@@ -0,0 +1,49 @@
+
+# standard imports
+from dataclasses import dataclass
+import typing
+
+# bsie imports
+from bsie.utils import bsfs, ns
+
+# exports
+__all__: typing.Sequence[str] = (
+    'Entity',
+    'Face',
+    'Node',
+    'Person',
+    'Preview',
+    'Tag',
+    )
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Node: # pylint: disable=missing-class-docstring
+    # FIXME: Only allow changes to uri after init
+    uri: typing.Optional[bsfs.URI] = None
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Entity(Node): # pylint: disable=missing-class-docstring
+    node_type: bsfs.URI = ns.bsn.Entity
+    ucid: str
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Face(Node): # pylint: disable=missing-class-docstring
+    node_type: bsfs.URI = ns.bsn.Face
+    ucid: str
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Person(Node): # pylint: disable=missing-class-docstring
+    node_type: bsfs.URI = ns.bsn.Person
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Preview(Node): # pylint: disable=missing-class-docstring
+    node_type: bsfs.URI = ns.bsn.Preview
+    ucid: str
+    size: int
+
+@dataclass(kw_only=True, unsafe_hash=True)
+class Tag(Node): # pylint: disable=missing-class-docstring
+    node_type: bsfs.URI = ns.bsn.Tag
+    label: str
+
+## EOF ##