Initial commit: Metro Warden TUI network operations center

2026-06-06 04:30:42 +00:00 · 2026-03-22 21:33:40 -04:00
commit 98a17d9b7e
45 changed files with 4215 additions and 0 deletions
@@ -0,0 +1,128 @@
+"""
+Registry Tab — displays loaded plugins and their status.
+
+Subscribes to registry.plugin.* events to show live plugin state.
+Allows loading/unloading plugins interactively.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Optional
+
+from textual.app import ComposeResult
+from textual.binding import Binding
+from textual.widget import Widget
+from textual.widgets import DataTable, Footer, Label, Static
+
+
+class RegistryTab(Widget):
+    """
+    Plugin registry viewer.
+
+    Shows all discovered plugins with their version, status, module path,
+    and load timestamp.  Pressing Enter on a row toggles load/unload.
+    """
+
+    DEFAULT_CSS = """
+    RegistryTab {
+        layout: vertical;
+        height: 1fr;
+        padding: 1 2;
+    }
+    RegistryTab .tab-title {
+        color: $primary;
+        text-style: bold;
+        height: 1;
+        margin-bottom: 1;
+    }
+    RegistryTab DataTable {
+        height: 1fr;
+        border: round $primary;
+    }
+    RegistryTab .hint {
+        height: 1;
+        color: $text-muted;
+        margin-top: 1;
+    }
+    """
+
+    BINDINGS = [
+        Binding("r", "refresh_registry", "Refresh"),
+        Binding("enter", "toggle_plugin", "Toggle"),
+    ]
+
+    COLUMNS = [
+        ("Name", 14),
+        ("Version", 9),
+        ("Status", 11),
+        ("Tags", 22),
+        ("Loaded At", 22),
+        ("Module", 32),
+        ("Error", 30),
+    ]
+
+    def compose(self) -> ComposeResult:
+        yield Static("//  REGISTRY  —  Plugin Manifest", classes="tab-title")
+        yield DataTable(id="registry-table", zebra_stripes=True, cursor_type="row")
+        yield Static(
+            "Press [bold]r[/bold] to refresh  |  [bold]Enter[/bold] to toggle load",
+            classes="hint",
+        )
+
+    def on_mount(self) -> None:
+        table = self.query_one("#registry-table", DataTable)
+        for col_label, width in self.COLUMNS:
+            table.add_column(col_label, width=width)
+
+        app = self.app
+        if hasattr(app, "bus"):
+            app.bus.subscribe("registry.plugin.*", self._on_registry_event)
+        self._refresh_table()
+
+    def _on_registry_event(self, topic: str, data: Any) -> None:
+        self.call_from_thread(self._refresh_table)
+
+    def _refresh_table(self) -> None:
+        table = self.query_one("#registry-table", DataTable)
+        table.clear()
+        app = self.app
+        if not hasattr(app, "registry"):
+            return
+        for record in sorted(app.registry.all_records(), key=lambda r: r.name):
+            loaded_at = record.loaded_at.strftime("%Y-%m-%d %H:%M:%S") if record.loaded_at else "—"
+            table.add_row(
+                record.name,
+                record.version,
+                record.status.name,
+                ", ".join(record.tags) or "—",
+                loaded_at,
+                record.module_path,
+                record.error or "—",
+            )
+
+    def action_refresh_registry(self) -> None:
+        self._refresh_table()
+
+    def action_toggle_plugin(self) -> None:
+        table = self.query_one("#registry-table", DataTable)
+        row_key = table.cursor_row
+        if row_key is None:
+            return
+        # Get plugin name from the focused row
+        try:
+            cell_value = table.get_cell_at((row_key, 0))
+        except Exception:
+            return
+        plugin_name = str(cell_value)
+        app = self.app
+        if not hasattr(app, "registry"):
+            return
+        record = app.registry.get(plugin_name)
+        if record is None:
+            return
+        from core.registry import PluginStatus
+        if record.status == PluginStatus.ACTIVE:
+            app.registry.unload(plugin_name)
+        else:
+            app.registry.load(plugin_name)
+        self._refresh_table()