mirror of
https://github.com/NousResearch/hermes-agent.git
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1b081e4891
The default max_iterations/agent.max_turns budget was set when long agentic runs were rare; complex tasks now routinely exceed 90 tool calls. Raise the default to 500 across every surface that hardcodes the fallback: AIAgent constructor, DEFAULT_CONFIG, CLI resolution chain, gateway env bridge, cron scheduler, and TUI gateway. Explicit user config values are unaffected (deep-merge preserves them; no _config_version bump needed). Docs (en + zh-Hans), CLI help text, tips, and pinned tests updated to match.
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
"""Per-agent iteration budget — thread-safe consume/refund counter.
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Extracted from ``run_agent.py``. Each ``AIAgent`` instance (parent or
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subagent) holds an :class:`IterationBudget`; the parent's cap comes from
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``max_iterations`` (default 500), each subagent's cap comes from
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``delegation.max_iterations`` (default 50).
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``run_agent`` re-exports ``IterationBudget`` so existing
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``from run_agent import IterationBudget`` imports keep working unchanged.
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"""
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from __future__ import annotations
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import threading
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class IterationBudget:
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"""Thread-safe iteration counter for an agent.
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Each agent (parent or subagent) gets its own ``IterationBudget``.
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The parent's budget is capped at ``max_iterations`` (default 500).
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Each subagent gets an independent budget capped at
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``delegation.max_iterations`` (default 50) — this means total
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iterations across parent + subagents can exceed the parent's cap.
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Users control the per-subagent limit via ``delegation.max_iterations``
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in config.yaml.
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``execute_code`` (programmatic tool calling) iterations are refunded via
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:meth:`refund` so they don't eat into the budget.
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"""
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def __init__(self, max_total: int):
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self.max_total = max_total
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self._used = 0
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self._lock = threading.Lock()
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def consume(self) -> bool:
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"""Try to consume one iteration. Returns True if allowed."""
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with self._lock:
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if self._used >= self.max_total:
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return False
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self._used += 1
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return True
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def refund(self) -> None:
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"""Give back one iteration (e.g. for execute_code turns)."""
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with self._lock:
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if self._used > 0:
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self._used -= 1
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@property
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def used(self) -> int:
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with self._lock:
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return self._used
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@property
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def remaining(self) -> int:
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with self._lock:
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return max(0, self.max_total - self._used)
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__all__ = ["IterationBudget"]
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