24 lines
1013 B
Python
24 lines
1013 B
Python
#!/usr/bin/env python3
|
|
"""Read the in-app browser / preview pane in the Hermes desktop GUI.
|
|
|
|
The preview's content lives in the renderer (a sandboxed ``<webview>``), so this
|
|
round-trips through the gateway's blocking-prompt bridge like ``read_terminal``
|
|
(``preview.read.request`` -> ``preview.read.respond``). Registered as action=read of
|
|
`desktop_preview`; the agent dispatches here with the injected callback.
|
|
"""
|
|
|
|
from typing import Callable, Optional
|
|
|
|
from tools.read_terminal_tool import read_pane
|
|
|
|
|
|
def read_preview_tool(
|
|
start: Optional[int] = None, count: Optional[int] = None, callback: Optional[Callable] = None
|
|
) -> str:
|
|
"""Return the active preview tab's contents (+ metadata) as a JSON string."""
|
|
return read_pane(callback, (("start", start, 0), ("count", count, 1)), (
|
|
"read_preview is only available in the Hermes desktop app.",
|
|
"start and count must be integers.",
|
|
"Failed to read the preview pane: ",
|
|
"No preview tab is open, or the read timed out."))
|