mirror of
https://github.com/samjage/metro-warden.git
synced 2026-06-06 03:00:41 +00:00
129 lines
3.7 KiB
Python
129 lines
3.7 KiB
Python
"""
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Registry Tab — displays loaded plugins and their status.
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Subscribes to registry.plugin.* events to show live plugin state.
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Allows loading/unloading plugins interactively.
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"""
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from __future__ import annotations
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from typing import Any, Optional
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from textual.app import ComposeResult
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from textual.binding import Binding
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from textual.widget import Widget
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from textual.widgets import DataTable, Footer, Label, Static
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class RegistryTab(Widget):
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"""
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Plugin registry viewer.
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Shows all discovered plugins with their version, status, module path,
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and load timestamp. Pressing Enter on a row toggles load/unload.
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"""
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DEFAULT_CSS = """
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RegistryTab {
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layout: vertical;
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height: 1fr;
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padding: 1 2;
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}
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RegistryTab .tab-title {
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color: $primary;
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text-style: bold;
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height: 1;
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margin-bottom: 1;
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}
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RegistryTab DataTable {
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height: 1fr;
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border: round $primary;
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}
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RegistryTab .hint {
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height: 1;
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color: $text-muted;
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margin-top: 1;
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}
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"""
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BINDINGS = [
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Binding("r", "refresh_registry", "Refresh"),
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Binding("enter", "toggle_plugin", "Toggle"),
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]
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COLUMNS = [
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("Name", 14),
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("Version", 9),
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("Status", 11),
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("Tags", 22),
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("Loaded At", 22),
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("Module", 32),
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("Error", 30),
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]
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def compose(self) -> ComposeResult:
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yield Static("// REGISTRY — Plugin Manifest", classes="tab-title")
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yield DataTable(id="registry-table", zebra_stripes=True, cursor_type="row")
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yield Static(
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"Press [bold]r[/bold] to refresh | [bold]Enter[/bold] to toggle load",
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classes="hint",
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)
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def on_mount(self) -> None:
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table = self.query_one("#registry-table", DataTable)
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for col_label, width in self.COLUMNS:
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table.add_column(col_label, width=width)
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app = self.app
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if hasattr(app, "bus"):
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app.bus.subscribe("registry.plugin.*", self._on_registry_event)
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self._refresh_table()
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def _on_registry_event(self, topic: str, data: Any) -> None:
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self.call_from_thread(self._refresh_table)
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def _refresh_table(self) -> None:
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table = self.query_one("#registry-table", DataTable)
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table.clear()
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app = self.app
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if not hasattr(app, "registry"):
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return
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for record in sorted(app.registry.all_records(), key=lambda r: r.name):
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loaded_at = record.loaded_at.strftime("%Y-%m-%d %H:%M:%S") if record.loaded_at else "—"
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table.add_row(
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record.name,
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record.version,
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record.status.name,
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", ".join(record.tags) or "—",
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loaded_at,
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record.module_path,
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record.error or "—",
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)
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def action_refresh_registry(self) -> None:
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self._refresh_table()
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def action_toggle_plugin(self) -> None:
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table = self.query_one("#registry-table", DataTable)
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row_key = table.cursor_row
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if row_key is None:
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return
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# Get plugin name from the focused row
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try:
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cell_value = table.get_cell_at((row_key, 0))
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except Exception:
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return
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plugin_name = str(cell_value)
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app = self.app
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if not hasattr(app, "registry"):
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return
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record = app.registry.get(plugin_name)
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if record is None:
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return
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from core.registry import PluginStatus
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if record.status == PluginStatus.ACTIVE:
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app.registry.unload(plugin_name)
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else:
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app.registry.load(plugin_name)
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self._refresh_table()
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