Hermes Agent
b222b28856
Replace repeated asyncio.run() calls with a single event loop that persists across all interview questions. The old approach created and destroyed loops per question, orphaning MCP stdio transports and causing 'Event loop is closed' errors on ~50% of questions. Also adds clean shutdown: closes MCP sessions before closing the loop. Ref #36
253 lines
8.1 KiB
Python
253 lines
8.1 KiB
Python
import logging
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import subprocess
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import typer
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from timmy.agent import create_timmy
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from timmy.prompts import STATUS_PROMPT
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from timmy.tool_safety import format_action_description, get_impact_level
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logger = logging.getLogger(__name__)
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app = typer.Typer(help="Timmy — sovereign AI agent")
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# Stable session ID — Agno persists conversation history in SQLite keyed on this.
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# Every `timmy chat` invocation reuses the same session so context carries over.
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_CLI_SESSION_ID = "cli"
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# Shared option definitions (reused across commands for consistency).
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_BACKEND_OPTION = typer.Option(
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None,
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"--backend",
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"-b",
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help="Inference backend: 'ollama' (default) | 'airllm' | 'auto'",
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)
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_MODEL_SIZE_OPTION = typer.Option(
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None,
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"--model-size",
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"-s",
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help="AirLLM model size when --backend airllm: '8b' | '70b' | '405b'",
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)
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def _handle_tool_confirmation(agent, run_output, session_id: str):
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"""Prompt user to approve/reject dangerous tool calls.
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When Agno pauses a run because a tool requires confirmation, this
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function displays the action, asks for approval via stdin, and
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resumes or rejects the run accordingly.
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Returns the final RunOutput after all confirmations are resolved.
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"""
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max_rounds = 10 # safety limit
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for _ in range(max_rounds):
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status = getattr(run_output, "status", None)
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is_paused = status == "PAUSED" or str(status) == "RunStatus.paused"
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if not is_paused:
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return run_output
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reqs = getattr(run_output, "active_requirements", None) or []
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if not reqs:
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return run_output
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for req in reqs:
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if not getattr(req, "needs_confirmation", False):
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continue
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te = req.tool_execution
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tool_name = getattr(te, "tool_name", "unknown")
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tool_args = getattr(te, "tool_args", {}) or {}
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description = format_action_description(tool_name, tool_args)
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impact = get_impact_level(tool_name)
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typer.echo()
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typer.echo(typer.style("Tool confirmation required", bold=True))
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typer.echo(f" Impact: {impact.upper()}")
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typer.echo(f" {description}")
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typer.echo()
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approved = typer.confirm("Allow this action?", default=False)
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if approved:
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req.confirm()
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logger.info("CLI: approved %s", tool_name)
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else:
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req.reject(note="User rejected from CLI")
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logger.info("CLI: rejected %s", tool_name)
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# Resume the run so the agent sees the confirmation result
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try:
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run_output = agent.continue_run(
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run_response=run_output, stream=False, session_id=session_id
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)
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except Exception as exc:
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logger.error("CLI: continue_run failed: %s", exc)
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typer.echo(f"Error resuming: {exc}", err=True)
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return run_output
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return run_output
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@app.command()
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def tick(
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prompt: str | None = typer.Argument(
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None, help="Optional journal prompt for Timmy to reflect on"
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),
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):
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"""Run one thinking cycle. Pass a prompt to ask Timmy a specific question."""
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import asyncio
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from timmy.thinking import thinking_engine
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thought = asyncio.run(thinking_engine.think_once(prompt=prompt))
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if thought:
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typer.echo(f"[{thought.seed_type}] {thought.content}")
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else:
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typer.echo("No thought produced (thinking disabled or Ollama down).")
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@app.command()
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def think(
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topic: str = typer.Argument(..., help="Topic to reason about"),
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backend: str | None = _BACKEND_OPTION,
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model_size: str | None = _MODEL_SIZE_OPTION,
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):
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"""Ask Timmy to think carefully about a topic."""
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timmy = create_timmy(backend=backend, model_size=model_size)
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timmy.print_response(f"Think carefully about: {topic}", stream=True, session_id=_CLI_SESSION_ID)
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@app.command()
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def chat(
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message: str = typer.Argument(..., help="Message to send"),
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backend: str | None = _BACKEND_OPTION,
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model_size: str | None = _MODEL_SIZE_OPTION,
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new_session: bool = typer.Option(
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False,
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"--new",
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"-n",
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help="Start a fresh conversation (ignore prior context)",
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),
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):
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"""Send a message to Timmy.
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Conversation history persists across invocations. Use --new to start fresh.
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"""
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import uuid
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session_id = str(uuid.uuid4()) if new_session else _CLI_SESSION_ID
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timmy = create_timmy(backend=backend, model_size=model_size)
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# Use agent.run() so we can intercept paused runs for tool confirmation.
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run_output = timmy.run(message, stream=False, session_id=session_id)
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# Handle paused runs — dangerous tools need user approval
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run_output = _handle_tool_confirmation(timmy, run_output, session_id)
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# Print the final response
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content = run_output.content if hasattr(run_output, "content") else str(run_output)
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if content:
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from timmy.session import _clean_response
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typer.echo(_clean_response(content))
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@app.command()
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def status(
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backend: str | None = _BACKEND_OPTION,
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model_size: str | None = _MODEL_SIZE_OPTION,
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):
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"""Print Timmy's operational status."""
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timmy = create_timmy(backend=backend, model_size=model_size)
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timmy.print_response(STATUS_PROMPT, stream=False, session_id=_CLI_SESSION_ID)
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@app.command()
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def interview(
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backend: str | None = _BACKEND_OPTION,
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model_size: str | None = _MODEL_SIZE_OPTION,
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):
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"""Initialize Timmy and run a structured interview.
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Asks Timmy a series of questions about his identity, capabilities,
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values, and operation to verify he is working correctly.
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"""
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import asyncio
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from timmy.interview import InterviewEntry, format_transcript, run_interview
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from timmy.session import chat
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typer.echo("Initializing Timmy for interview...\n")
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# Use a single persistent event loop for the entire interview.
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# Calling asyncio.run() per question kills the loop between calls,
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# orphaning MCP stdio transports and causing "Event loop is closed."
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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try:
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# Force agent creation by calling chat once with a warm-up prompt
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try:
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loop.run_until_complete(
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chat("Hello, Timmy. We're about to start your interview.", session_id="interview")
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)
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except Exception as exc:
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typer.echo(f"Warning: Initialization issue — {exc}", err=True)
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def _on_answer(entry: InterviewEntry) -> None:
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typer.echo(f"[{entry.category}]")
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typer.echo(f" Q: {entry.question}")
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typer.echo(f" A: {entry.answer}")
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typer.echo()
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typer.echo("Starting interview...\n")
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transcript = run_interview(
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chat_fn=lambda msg: loop.run_until_complete(chat(msg, session_id="interview")),
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on_answer=_on_answer,
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)
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# Print full transcript at the end
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typer.echo("\n" + format_transcript(transcript))
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finally:
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# Clean shutdown: close MCP sessions, then the loop
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try:
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from timmy.mcp_tools import close_mcp_sessions
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loop.run_until_complete(close_mcp_sessions())
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except Exception:
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pass
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loop.close()
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@app.command()
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def up(
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dev: bool = typer.Option(False, "--dev", help="Enable hot-reload for development"),
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build: bool = typer.Option(True, "--build/--no-build", help="Rebuild images before starting"),
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):
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"""Start Timmy Time in Docker (dashboard + agents)."""
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cmd = ["docker", "compose"]
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if dev:
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cmd += ["-f", "docker-compose.yml", "-f", "docker-compose.dev.yml"]
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cmd += ["up", "-d"]
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if build:
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cmd.append("--build")
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mode = "dev mode (hot-reload active)" if dev else "production mode"
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typer.echo(f"Starting Timmy Time in {mode}...")
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result = subprocess.run(cmd)
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if result.returncode == 0:
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typer.echo(f"\n Timmy Time running at http://localhost:8000 ({mode})\n")
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else:
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typer.echo("Failed to start. Is Docker running?", err=True)
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raise typer.Exit(1)
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@app.command()
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def down():
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"""Stop all Timmy Time Docker containers."""
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subprocess.run(["docker", "compose", "down"], check=True)
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def main():
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app()
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