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360f5c1179
### What problem does this PR solve? As title ### Type of change - [x] Refactoring Signed-off-by: Jin Hai <haijin.chn@gmail.com>
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
#
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# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
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#
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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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#
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import os
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import tiktoken
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from common.file_utils import get_project_base_directory
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tiktoken_cache_dir = get_project_base_directory()
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os.environ["TIKTOKEN_CACHE_DIR"] = tiktoken_cache_dir
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# encoder = tiktoken.encoding_for_model("gpt-3.5-turbo")
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encoder = tiktoken.get_encoding("cl100k_base")
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def num_tokens_from_string(string: str) -> int:
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"""Returns the number of tokens in a text string."""
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try:
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code_list = encoder.encode(string)
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return len(code_list)
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except Exception:
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return 0
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def total_token_count_from_response(resp):
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if resp is None:
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return 0
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if hasattr(resp, "usage") and hasattr(resp.usage, "total_tokens"):
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try:
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return resp.usage.total_tokens
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except Exception:
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pass
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if hasattr(resp, "usage_metadata") and hasattr(resp.usage_metadata, "total_tokens"):
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try:
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return resp.usage_metadata.total_tokens
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except Exception:
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pass
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if 'usage' in resp and 'total_tokens' in resp['usage']:
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try:
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return resp["usage"]["total_tokens"]
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except Exception:
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pass
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if 'usage' in resp and 'input_tokens' in resp['usage'] and 'output_tokens' in resp['usage']:
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try:
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return resp["usage"]["input_tokens"] + resp["usage"]["output_tokens"]
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except Exception:
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pass
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if 'meta' in resp and 'tokens' in resp['meta'] and 'input_tokens' in resp['meta']['tokens'] and 'output_tokens' in resp['meta']['tokens']:
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try:
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return resp["meta"]["tokens"]["input_tokens"] + resp["meta"]["tokens"]["output_tokens"]
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except Exception:
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pass
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return 0
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def truncate(string: str, max_len: int) -> str:
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"""Returns truncated text if the length of text exceed max_len."""
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return encoder.decode(encoder.encode(string)[:max_len])
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