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65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
from typing import Any, ClassVar, Optional
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from langchain.prompts import BasePromptTemplate, PromptTemplate
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from pydantic import BaseModel, Field
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from crewai.utilities import I18N
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class Prompts(BaseModel):
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"""Manages and generates prompts for a generic agent with support for different languages."""
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i18n: I18N = Field(default=I18N())
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tools: list[Any] = Field(default=[])
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system_template: Optional[str] = None
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prompt_template: Optional[str] = None
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response_template: Optional[str] = None
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SCRATCHPAD_SLICE: ClassVar[str] = "\n{agent_scratchpad}"
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def task_execution(self) -> BasePromptTemplate:
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"""Generate a standard prompt for task execution."""
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slices = ["role_playing"]
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if len(self.tools) > 0:
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slices.append("tools")
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else:
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slices.append("no_tools")
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slices.append("task")
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if not self.system_template and not self.prompt_template:
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return self._build_prompt(slices)
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else:
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return self._build_prompt(
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slices,
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self.system_template,
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self.prompt_template,
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self.response_template,
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)
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def _build_prompt(
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self,
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components: list[str],
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system_template=None,
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prompt_template=None,
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response_template=None,
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) -> BasePromptTemplate:
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"""Constructs a prompt string from specified components."""
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if not system_template and not prompt_template:
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prompt_parts = [self.i18n.slice(component) for component in components]
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prompt_parts.append(self.SCRATCHPAD_SLICE)
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prompt = PromptTemplate.from_template("".join(prompt_parts))
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else:
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prompt_parts = [
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self.i18n.slice(component)
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for component in components
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if component != "task"
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]
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system = system_template.replace("{{ .System }}", "".join(prompt_parts))
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prompt = prompt_template.replace(
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"{{ .Prompt }}",
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"".join([self.i18n.slice("task"), self.SCRATCHPAD_SLICE]),
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)
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response = response_template.split("{{ .Response }}")[0]
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prompt = PromptTemplate.from_template(f"{system}\n{prompt}\n{response}")
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return prompt
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