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212 | #!/usr/bin/env python3
"""
Simple trajectory inspector for browsing agent conversation trajectories.
[not dim]
More information about the usage: [bold green]https://mini-swe-agent.com/latest/usage/inspector/[/bold green]
[/not dim]
"""
import json
import os
from pathlib import Path
import typer
from rich.text import Text
from textual.app import App, ComposeResult
from textual.binding import Binding
from textual.containers import Container, Vertical, VerticalScroll
from textual.widgets import Footer, Header, Static
from minisweagent.agents.interactive_textual import _messages_to_steps
app = typer.Typer(rich_markup_mode="rich", add_completion=False)
class TrajectoryInspector(App):
BINDINGS = [
Binding("right,l", "next_step", "Step++"),
Binding("left,h", "previous_step", "Step--"),
Binding("0", "first_step", "Step=0"),
Binding("$", "last_step", "Step=-1"),
Binding("j,down", "scroll_down", "Scroll down"),
Binding("k,up", "scroll_up", "Scroll up"),
Binding("L", "next_trajectory", "Next trajectory"),
Binding("H", "previous_trajectory", "Previous trajectory"),
Binding("q", "quit", "Quit"),
]
def __init__(self, trajectory_files: list[Path]):
css_path = os.environ.get(
"MSWEA_INSPECTOR_STYLE_PATH", str(Path(__file__).parent.parent / "config" / "mini.tcss")
)
self.__class__.CSS = Path(css_path).read_text()
super().__init__()
self.trajectory_files = trajectory_files
self._i_trajectory = 0
self._i_step = 0
self.messages = []
self.steps = []
if trajectory_files:
self._load_current_trajectory()
# --- Basics ---
@property
def i_step(self) -> int:
"""Current step index."""
return self._i_step
@i_step.setter
def i_step(self, value: int) -> None:
"""Set current step index, automatically clamping to valid bounds."""
if value != self._i_step and self.n_steps > 0:
self._i_step = max(0, min(value, self.n_steps - 1))
self.query_one(VerticalScroll).scroll_to(y=0, animate=False)
self.update_content()
@property
def n_steps(self) -> int:
"""Number of steps in current trajectory."""
return len(self.steps)
@property
def i_trajectory(self) -> int:
"""Current trajectory index."""
return self._i_trajectory
@i_trajectory.setter
def i_trajectory(self, value: int) -> None:
"""Set current trajectory index, automatically clamping to valid bounds."""
if value != self._i_trajectory and self.n_trajectories > 0:
self._i_trajectory = max(0, min(value, self.n_trajectories - 1))
self._load_current_trajectory()
self.query_one(VerticalScroll).scroll_to(y=0, animate=False)
self.update_content()
@property
def n_trajectories(self) -> int:
"""Number of trajectory files."""
return len(self.trajectory_files)
def _load_current_trajectory(self) -> None:
"""Load the currently selected trajectory file."""
if not self.trajectory_files:
self.messages = []
self.steps = []
return
trajectory_file = self.trajectory_files[self.i_trajectory]
try:
data = json.loads(trajectory_file.read_text())
if isinstance(data, list):
self.messages = data
elif isinstance(data, dict) and "messages" in data:
self.messages = data["messages"]
else:
raise ValueError("Unrecognized trajectory format")
self.steps = _messages_to_steps(self.messages)
self._i_step = 0
except (json.JSONDecodeError, FileNotFoundError, ValueError) as e:
self.messages = []
self.steps = []
self.notify(f"Error loading {trajectory_file.name}: {e}", severity="error")
@property
def current_trajectory_name(self) -> str:
"""Get the name of the current trajectory file."""
if not self.trajectory_files:
return "No trajectories"
return self.trajectory_files[self.i_trajectory].name
def compose(self) -> ComposeResult:
yield Header()
with Container(id="main"):
with VerticalScroll():
yield Vertical(id="content")
yield Footer()
def on_mount(self) -> None:
self.update_content()
def update_content(self) -> None:
"""Update the displayed content."""
container = self.query_one("#content", Vertical)
container.remove_children()
if not self.steps:
container.mount(Static("No trajectory loaded or empty trajectory"))
self.title = "Trajectory Inspector - No Data"
return
for message in self.steps[self.i_step]:
if isinstance(message["content"], list):
content_str = "\n".join([item["text"] for item in message["content"]])
else:
content_str = str(message["content"])
message_container = Vertical(classes="message-container")
container.mount(message_container)
role = message["role"].replace("assistant", "mini-swe-agent")
message_container.mount(Static(role.upper(), classes="message-header"))
message_container.mount(Static(Text(content_str, no_wrap=False), classes="message-content"))
self.title = (
f"Trajectory {self.i_trajectory + 1}/{self.n_trajectories} - "
f"{self.current_trajectory_name} - "
f"Step {self.i_step + 1}/{self.n_steps}"
)
# --- Navigation actions ---
def action_next_step(self) -> None:
self.i_step += 1
def action_previous_step(self) -> None:
self.i_step -= 1
def action_first_step(self) -> None:
self.i_step = 0
def action_last_step(self) -> None:
self.i_step = self.n_steps - 1
def action_next_trajectory(self) -> None:
self.i_trajectory += 1
def action_previous_trajectory(self) -> None:
self.i_trajectory -= 1
def action_scroll_down(self) -> None:
vs = self.query_one(VerticalScroll)
vs.scroll_to(y=vs.scroll_target_y + 15)
def action_scroll_up(self) -> None:
vs = self.query_one(VerticalScroll)
vs.scroll_to(y=vs.scroll_target_y - 15)
@app.command(help=__doc__)
def main(
path: str = typer.Argument(".", help="Directory to search for trajectory files or specific trajectory file"),
) -> None:
path_obj = Path(path)
if path_obj.is_file():
trajectory_files = [path_obj]
elif path_obj.is_dir():
trajectory_files = sorted(path_obj.rglob("*.traj.json"))
if not trajectory_files:
raise typer.BadParameter(f"No trajectory files found in '{path}'")
else:
raise typer.BadParameter(f"Error: Path '{path}' does not exist")
inspector = TrajectoryInspector(trajectory_files)
inspector.run()
if __name__ == "__main__":
app()
|
