108 lines
4.6 KiB
Python
108 lines
4.6 KiB
Python
# Copyright (c) ModelScope Contributors. All rights reserved.
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import json
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import re
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from typing import List, Optional, Tuple, Union
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from swift.infer_engine import Function
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from swift.template import Prompt
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from .base import BaseAgentTemplate
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class HyV3PreviewAgentTemplate(BaseAgentTemplate):
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HYTK = ''
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def get_toolcall(self, response: str) -> List[Function]:
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# Parse tool calls from <tool_calls>...<tool_call>name<tool_sep>...<arg_key>...<arg_value>...</tool_call>...
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tool_call_blocks = re.findall(rf'<tool_call{self.HYTK}>(.*?)</tool_call{self.HYTK}>', response, re.DOTALL)
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functions = []
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for block in tool_call_blocks:
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# Extract function name: text before <tool_sep>
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name_match = re.match(rf'(.*?)<tool_sep{self.HYTK}>', block, re.DOTALL)
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if not name_match:
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continue
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name = name_match.group(1).strip()
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# Extract arg_key/arg_value pairs together to avoid misalignment
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pairs = re.findall(
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rf'<arg_key{self.HYTK}>(.*?)</arg_key{self.HYTK}>\s*<arg_value{self.HYTK}>(.*?)</arg_value{self.HYTK}>',
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block, re.DOTALL)
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arguments = {}
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for k, v in pairs:
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k = k.strip()
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v = v.strip()
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parsed = self._parse_json(v)
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arguments[k] = parsed if parsed is not None else v
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functions.append(Function(name=name, arguments=arguments))
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if len(functions) == 0:
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# compat react_en
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return super().get_toolcall(response)
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return functions
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def _get_tool_responses(self, tool_messages):
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res_tool = []
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for tool_message in tool_messages:
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tool_content = tool_message['content']
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res_tool.append(f'<tool_response{self.HYTK}>\n{tool_content}\n</tool_response{self.HYTK}>')
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tool_responses = '\n'.join(res_tool)
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return f'<tool_responses{self.HYTK}>\n{tool_responses}\n</tool_responses{self.HYTK}>'
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def _get_tool_calls(self, tool_calls: List[str]):
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tool_calls_str = '\n'.join(tool_calls)
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return f'<tool_calls{self.HYTK}>\n{tool_calls_str}\n</tool_calls{self.HYTK}>'
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def _format_tool_responses(
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self,
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assistant_content: str,
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tool_messages,
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) -> Tuple[str, 'Prompt']:
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with_action = self.keyword.action in assistant_content and self.keyword.action_input in assistant_content
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if with_action:
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return super()._format_tool_responses(assistant_content, tool_messages)
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res = [f'<|hy_eos{self.HYTK}|>', self._get_tool_responses(tool_messages), f'<|hy_Assistant{self.HYTK}|>']
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return assistant_content, res
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def _format_tools(self, tools: List[Union[str, dict]], system: Optional[str] = None, user_message=None) -> str:
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tool_descs = [json.dumps(self.wrap_tool(tool), ensure_ascii=False) for tool in tools]
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system = system or ''
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if system:
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system = f'{system}\n\n'
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return f"""{system}# Tools
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You may call one or more functions to assist with the user query.
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You are provided with function signatures within <tools></tools> XML tags:
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<tools>
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""" + '\n'.join(tool_descs) + f"""
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</tools>
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For function call returns, you should first print <tool_calls{self.HYTK}>
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For each function call, you should return object like:
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<tool_call{self.HYTK}>{{function-name}}<tool_sep{self.HYTK}>
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<arg_key{self.HYTK}>{{arg-key-1}}</arg_key{self.HYTK}>
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<arg_value{self.HYTK}>{{arg-value-1}}</arg_value{self.HYTK}>
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<arg_key{self.HYTK}>{{arg-key-2}}</arg_key{self.HYTK}>
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<arg_value{self.HYTK}>{{arg-value-2}}</arg_value{self.HYTK}>
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...
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</tool_call{self.HYTK}>
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At the end of function call returns, you should print </tool_calls{self.HYTK}>"""
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def _format_tool_calls(self, tool_call_messages):
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tool_calls = []
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for message in tool_call_messages:
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tool_call = self._parse_tool_call(message['content'])
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name = tool_call['name']
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arguments = tool_call['arguments']
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arg_lines = []
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if isinstance(arguments, dict):
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for k, v in arguments.items():
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if not isinstance(v, str):
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v = json.dumps(v, ensure_ascii=False)
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arg_lines.append(f'<arg_key{self.HYTK}>{k}</arg_key{self.HYTK}>\n'
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f'<arg_value{self.HYTK}>{v}</arg_value{self.HYTK}>')
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arg_str = '\n'.join(arg_lines)
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tool_calls.append(f'<tool_call{self.HYTK}>{name}<tool_sep{self.HYTK}>\n{arg_str}\n</tool_call{self.HYTK}>')
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return self._get_tool_calls(tool_calls)
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class HyV3AgentTemplate(HyV3PreviewAgentTemplate):
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HYTK = ':opensource'
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