Start graph explorer contract

This commit is contained in:
2026-05-18 14:08:01 +02:00
parent ae4f567a2b
commit eec7e2a9f6
10 changed files with 1429 additions and 4 deletions

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@@ -0,0 +1,511 @@
from __future__ import annotations
from datetime import datetime, timezone
from typing import Any
DISPLAY_STATES = ("show", "blur", "hide")
LAYER_ORDER = (
"repository",
"service",
"capability",
"interface",
"dependency",
"binding",
"library",
)
_KIND_LAYER = {
"Repository": "repository",
"ServiceDeclaration": "service",
"CapabilityDeclaration": "capability",
"InterfaceDeclaration": "interface",
"DependencyDeclaration": "dependency",
"BindingAssertion": "binding",
"Library": "library",
}
_LAYER_COLORS = {
"repository": "#475569",
"service": "#0f766e",
"capability": "#2563eb",
"interface": "#7c3aed",
"dependency": "#b45309",
"binding": "#be123c",
"library": "#0891b2",
}
_EDGE_STRENGTH = {
"provides": "strong",
"exposes": "strong",
"available_via": "medium",
"consumes": "medium",
"uses_interface": "medium",
"declares": "weak",
}
def fabric_graph_explorer_manifest(base_url: str = "") -> dict[str, Any]:
"""Return the host manifest for the reusable graph explorer shell."""
return {
"apiVersion": "railiance.fabric/v1alpha1",
"kind": "GraphExplorerManifest",
"id": "railiance-fabric.registry-map",
"title": "Railiance Fabric Registry Map",
"description": "Manifest for exploring registered Fabric ecosystem entities.",
"engine": {
"suggested_package": "graph-explorer-engine",
"preferred_library": "cytoscape",
"display_state_owner": "host-or-engine",
},
"endpoints": {
"graph": {
"method": "GET",
"url": f"{base_url}/exports/graph-explorer",
},
"manifest": {
"method": "GET",
"url": f"{base_url}/exports/graph-explorer/manifest",
},
},
"identity": {
"node_id_field": "id",
"stable_key_field": "stableKey",
"edge_id_field": "id",
"source_field": "source",
"target_field": "target",
},
"layers": [
{
"id": layer,
"label": layer.replace("_", " ").title(),
"order": index,
"color": _LAYER_COLORS[layer],
}
for index, layer in enumerate(LAYER_ORDER)
],
"grouping_fields": ["domain", "repo", "layer", "kind", "lifecycle", "unresolved"],
"search_fields": [
"id",
"stableKey",
"label",
"name",
"description",
"repo",
"domain",
"kind",
"layer",
"edgeType",
],
"filter": {
"actions": list(DISPLAY_STATES),
"fields": [
{"id": "kind", "label": "Kind", "type": "string"},
{"id": "layer", "label": "Layer", "type": "string"},
{"id": "repo", "label": "Repo", "type": "string"},
{"id": "domain", "label": "Domain", "type": "string"},
{"id": "lifecycle", "label": "Lifecycle", "type": "string"},
{"id": "reviewState", "label": "Review State", "type": "string"},
{"id": "unresolved", "label": "Unresolved", "type": "boolean"},
{"id": "edgeType", "label": "Edge Type", "type": "string"},
{"id": "strength", "label": "Strength", "type": "string"},
{"id": "sameLayer", "label": "Same Layer", "type": "boolean"},
{"id": "text", "label": "Text", "type": "string"},
],
},
"visual_encodings": {
"node_color": "layer",
"node_shape": "kind",
"node_size": "confidence",
"edge_width": "strength",
"edge_style": "sameLayer",
"edge_opacity": "displayState",
},
"detail": {
"node_fields": [
"name",
"kind",
"layer",
"repo",
"domain",
"lifecycle",
"unresolved",
"description",
"sourceReferences",
"deepLinks",
],
"edge_fields": [
"edgeType",
"strength",
"source",
"target",
"sourceLayer",
"targetLayer",
"sameLayer",
"deepLinks",
],
},
"modes": [
{
"id": "full",
"label": "Full",
"description": "Show the complete registered ecosystem graph.",
},
{
"id": "selected-path",
"label": "Selected Path",
"description": "Show selected nodes with predecessor and successor context.",
"requires_selection": True,
},
{
"id": "neighborhood",
"label": "Neighborhood",
"description": "Show the selected node neighborhood by configurable depth.",
"requires_selection": True,
},
{
"id": "onboarding-gaps",
"label": "Onboarding Gaps",
"description": "Highlight registered repos without accepted Fabric graph snapshots.",
},
{
"id": "unresolved",
"label": "Unresolved",
"description": "Highlight dependencies that have no accepted provider binding.",
},
],
"profile_persistence": "none",
"shareable_state": {
"url_parameters": True,
"profile_id": False,
"state_blob": True,
},
}
def fabric_graph_explorer_payload(
graph: dict[str, Any],
repositories: list[dict[str, Any]] | None = None,
snapshot_repo_slugs: set[str] | None = None,
) -> dict[str, Any]:
"""Project a Fabric graph export into the shared graph explorer payload."""
source_nodes = [node for node in graph.get("nodes", []) if isinstance(node, dict)]
source_edges = [edge for edge in graph.get("edges", []) if isinstance(edge, dict)]
repositories = repositories or []
snapshot_repo_slugs = snapshot_repo_slugs or set()
layers_by_id = {
str(node.get("id", "")): _layer_for_kind(str(node.get("kind", "")))
for node in source_nodes
}
source_repo_slugs = {
str(node.get("repo", "")).strip()
for node in source_nodes
if str(node.get("repo", "")).strip()
}
registered_repo_slugs = {
str(repo.get("slug", "")).strip()
for repo in repositories
if str(repo.get("slug", "")).strip()
}
repo_slugs = set(source_repo_slugs)
repo_slugs.update(registered_repo_slugs)
repo_slugs.update(snapshot_repo_slugs)
repo_slugs.discard("")
unresolved = _unresolved_dependency_ids(source_nodes, source_edges)
elements: list[dict[str, Any]] = []
repository_index = {str(repo.get("slug", "")): repo for repo in repositories}
for slug in sorted(repo_slugs):
repo = repository_index.get(slug, {})
has_snapshot = slug in snapshot_repo_slugs or slug in source_repo_slugs
is_registered = slug in registered_repo_slugs
repo_id = f"repo:{slug}"
elements.append(
{
"data": {
"id": repo_id,
"stableKey": repo_id,
"kind": "Repository",
"layer": "repository",
"label": str(repo.get("name") or slug),
"name": str(repo.get("name") or slug),
"description": (
"Registered repository with accepted Fabric graph snapshot."
if has_snapshot
else "Registered repository without an accepted Fabric graph snapshot."
),
"repo": slug,
"domain": "railiance",
"lifecycle": "active" if has_snapshot else "registered-only",
"reviewState": "accepted" if has_snapshot else "candidate",
"freshnessState": "current" if has_snapshot else "missing",
"unresolved": is_registered and not has_snapshot,
"confidence": 1.0 if has_snapshot else 0.3,
"visualSize": 56 if has_snapshot else 42,
"ownership": "registry",
"displayState": "show",
"visibilitySource": "default",
"visibilityReason": "default",
"sourceReferences": [],
"deepLinks": _repository_links(repo),
},
"classes": "repository accepted" if has_snapshot else "repository candidate unresolved",
}
)
for node in source_nodes:
node_id = str(node.get("id", ""))
if not node_id:
continue
kind = str(node.get("kind", ""))
layer = _layer_for_kind(kind)
is_unresolved = node_id in unresolved
attributes = node.get("attributes") if isinstance(node.get("attributes"), dict) else {}
elements.append(
{
"data": {
"id": node_id,
"stableKey": node_id,
"kind": kind,
"layer": layer,
"label": str(node.get("name") or node_id),
"name": str(node.get("name") or node_id),
"description": _node_description(kind, attributes),
"repo": str(node.get("repo", "")),
"domain": str(node.get("domain", "")),
"lifecycle": str(node.get("lifecycle", "")),
"reviewState": "accepted",
"freshnessState": "current",
"unresolved": is_unresolved,
"confidence": 0.45 if is_unresolved else 1.0,
"visualSize": 34 if layer == "binding" else 46 if is_unresolved else 50,
"ownership": "repo",
"attributes": attributes,
"displayState": "show",
"visibilitySource": "default",
"visibilityReason": "default",
"sourceReferences": _source_references(node),
"deepLinks": _node_links(node_id),
},
"classes": " ".join(
part
for part in (layer, kind, "unresolved" if is_unresolved else "accepted")
if part
),
}
)
edge_index = 0
for edge in source_edges:
source = str(edge.get("from", ""))
target = str(edge.get("to", ""))
edge_type = str(edge.get("type", ""))
if not source or not target:
continue
source_layer = layers_by_id.get(source, "unknown")
target_layer = layers_by_id.get(target, "unknown")
strength = _edge_strength(edge_type)
edge_id = f"edge:{edge_index}:{source}:{edge_type}:{target}"
edge_index += 1
elements.append(
{
"data": {
"id": edge_id,
"stableKey": edge_id,
"kind": "edge",
"layer": "relationship",
"label": edge_type,
"source": source,
"target": target,
"sourceLayer": source_layer,
"targetLayer": target_layer,
"edgeType": edge_type,
"dependencyType": edge_type,
"strength": strength,
"edgeWidth": _edge_width(strength),
"sameLayer": source_layer == target_layer,
"reviewState": "accepted",
"freshnessState": "current",
"displayState": "show",
"visibilitySource": "default",
"visibilityReason": "default",
"deepLinks": {},
},
"classes": " ".join(
part
for part in (
edge_type.replace(":", "-"),
strength,
"same-layer" if source_layer == target_layer else "",
)
if part
),
}
)
for slug in sorted(repo_slugs):
repo_id = f"repo:{slug}"
for node in source_nodes:
node_id = str(node.get("id", ""))
if str(node.get("repo", "")) != slug or not node_id:
continue
edge_id = f"edge:{edge_index}:{repo_id}:declares:{node_id}"
edge_index += 1
target_layer = layers_by_id.get(node_id, "unknown")
elements.append(
{
"data": {
"id": edge_id,
"stableKey": edge_id,
"kind": "edge",
"layer": "relationship",
"label": "declares",
"source": repo_id,
"target": node_id,
"sourceLayer": "repository",
"targetLayer": target_layer,
"edgeType": "declares",
"dependencyType": "declares",
"strength": "weak",
"edgeWidth": 1,
"sameLayer": False,
"reviewState": "accepted",
"freshnessState": "current",
"displayState": "show",
"visibilitySource": "default",
"visibilityReason": "default",
"deepLinks": {},
},
"classes": "declares weak",
}
)
visible_nodes = [element for element in elements if "source" not in element["data"]]
visible_edges = [element for element in elements if "source" in element["data"]]
return {
"apiVersion": "railiance.fabric/v1alpha1",
"kind": "GraphExplorerPayload",
"manifest_id": "railiance-fabric.registry-map",
"generated_at": _utc_now(),
"repository": {"slug": "registry", "name": "Railiance Fabric Registry"},
"mode": "full",
"profile": None,
"metrics": {
"node_count": len(visible_nodes),
"edge_count": len(visible_edges),
"hidden_count": 0,
"blurred_count": 0,
"registered_repo_count": len(registered_repo_slugs),
"repo_node_count": len(repo_slugs),
"registered_only_repo_count": sum(
1
for element in visible_nodes
if element["data"].get("repo") in registered_repo_slugs
and element["data"].get("lifecycle") == "registered-only"
),
"unresolved_count": len(unresolved),
},
"filter": {
"rules": [],
"manual_overrides": {},
"orphaned_overrides": [],
"precedence": "later rules override earlier rules; manual overrides win last",
"connected_edge_behavior": "edges connected to hidden nodes are hidden",
},
"elements": elements,
"hidden_elements": [],
}
def _utc_now() -> str:
return datetime.now(timezone.utc).replace(microsecond=0).isoformat().replace("+00:00", "Z")
def _layer_for_kind(kind: str) -> str:
return _KIND_LAYER.get(kind, kind.lower() or "unknown")
def _edge_strength(edge_type: str) -> str:
if edge_type.startswith("binds:"):
status = edge_type.split(":", 1)[1]
if status in {"missing", "disputed"}:
return "weak"
if status == "accepted":
return "strong"
return "medium"
return _EDGE_STRENGTH.get(edge_type, "medium")
def _edge_width(strength: str) -> int:
return {"weak": 1, "medium": 3, "strong": 5}.get(strength, 2)
def _unresolved_dependency_ids(
nodes: list[dict[str, Any]],
edges: list[dict[str, Any]],
) -> set[str]:
dependency_ids = {
str(node.get("id", ""))
for node in nodes
if node.get("kind") == "DependencyDeclaration" and str(node.get("id", ""))
}
resolved: set[str] = set()
unresolved: set[str] = set()
for edge in edges:
edge_type = str(edge.get("type", ""))
source = str(edge.get("from", ""))
if source not in dependency_ids or not edge_type.startswith("binds:"):
continue
status = edge_type.split(":", 1)[1]
if status in {"accepted", "candidate"}:
resolved.add(source)
if status in {"missing", "disputed"}:
unresolved.add(source)
return (dependency_ids - resolved) | unresolved
def _node_description(kind: str, attributes: object) -> str:
if not isinstance(attributes, dict):
return ""
if kind == "CapabilityDeclaration":
return str(attributes.get("capability_type", ""))
if kind == "InterfaceDeclaration":
version = str(attributes.get("version", ""))
interface_type = str(attributes.get("interface_type", ""))
return " ".join(part for part in (interface_type, version) if part)
if kind == "DependencyDeclaration":
return str(
attributes.get("requires_capability_type")
or attributes.get("requires_capability_id")
or attributes.get("interface_type")
or ""
)
if kind == "BindingAssertion":
return str(attributes.get("status", ""))
return ""
def _source_references(node: dict[str, Any]) -> list[dict[str, str]]:
attributes = node.get("attributes")
references: list[dict[str, str]] = []
if isinstance(attributes, dict):
for source in attributes.get("source_links", []):
if isinstance(source, dict):
references.append({key: str(value) for key, value in source.items()})
return references
def _node_links(node_id: str) -> dict[str, str]:
return {"registry": f"/graph/nodes/{node_id}"}
def _repository_links(repository: dict[str, Any]) -> dict[str, str]:
slug = str(repository.get("slug", ""))
links = {"registry": f"/repositories/{slug}"} if slug else {}
state_hub_repo_id = str(repository.get("state_hub_repo_id") or "")
if state_hub_repo_id:
links["stateHubRepo"] = f"/repos/by-id/{state_hub_repo_id}"
return links

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@@ -9,6 +9,7 @@ from pathlib import Path
from typing import Any
from urllib.parse import parse_qs, urlparse
from .graph_explorer import fabric_graph_explorer_manifest, fabric_graph_explorer_payload
from .registry import (
RegistryError,
RegistryStore,
@@ -79,6 +80,14 @@ class RegistryHandler(BaseHTTPRequestHandler):
return HTTPStatus.OK, backstage_projection(self.store.combined_graph())
if parts == ["exports", "xregistry"]:
return HTTPStatus.OK, xregistry_projection(self.store.combined_graph())
if parts == ["exports", "graph-explorer"]:
return HTTPStatus.OK, fabric_graph_explorer_payload(
self.store.combined_graph(),
self.store.list_repositories(),
{str(snapshot["repo_slug"]) for snapshot in self.store.latest_snapshots()},
)
if parts == ["exports", "graph-explorer", "manifest"]:
return HTTPStatus.OK, fabric_graph_explorer_manifest()
if parts == ["artifacts"]:
return HTTPStatus.OK, self.store.list_artifacts(
repo_slug=_query_optional(query, "repo_slug"),