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58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
# ========= Copyright 2023-2026 @ CAMEL-AI.org. All Rights Reserved. =========
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ========= Copyright 2023-2026 @ CAMEL-AI.org. All Rights Reserved. =========
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from typing import Optional, Tuple
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from camel.terminators.base import BaseTerminator
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class TokenLimitTerminator(BaseTerminator):
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r"""Terminate agent if number of tokens reached to token limit threshold.
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Args:
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token_limit (int): Token limit threshold.
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"""
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def __init__(self, token_limit: int):
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super().__init__()
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self.token_limit = token_limit
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def _validate(self):
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if self.token_limit <= 0:
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raise ValueError(
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f"`token_limit` should be a "
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f"value larger than 0, got {self.token_limit}."
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)
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def is_terminated(self, num_tokens: int) -> Tuple[bool, Optional[str]]:
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r"""Whether terminate the agent by checking number of
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used tokens reached to token limit.
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Args:
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num_tokens (int): Number of tokens.
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Returns:
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tuple: A tuple containing whether the agent should be
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terminated and a string of termination reason.
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"""
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if self._terminated:
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return True, self._termination_reason
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if num_tokens >= self.token_limit:
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self._terminated = True
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self._termination_reason = "max_tokens_exceeded"
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return self._terminated, self._termination_reason
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def reset(self):
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r"""Reset the terminator."""
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self._terminated = False
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self._termination_reason = None
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