Teknium
49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
"""Per-agent iteration budget — thread-safe consume/refund counter.
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Each ``AIAgent`` (parent or subagent) holds its own :class:`IterationBudget`: the parent's
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cap is ``max_iterations`` (default 500), each subagent's ``delegation.max_iterations``
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(default 50), so total iterations across parent + subagents can exceed the parent's cap.
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``run_agent`` re-exports the class so ``from run_agent import IterationBudget`` keeps working.
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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; ``execute_code`` (programmatic tool calling)
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iterations are refunded via :meth:`refund` so they don't eat into the budget."""
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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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