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Documentation Index

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PromptExpanderAgent Module

The PromptExpanderAgent class expands short prompts into detailed, comprehensive prompts for better task execution.

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Key Difference from QueryRewriterAgent

  • QueryRewriterAgent: Optimizes queries for search/retrieval (RAG)
  • PromptExpanderAgent: Expands prompts for detailed task execution

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Supported Strategies

  • BASIC: Simple expansion with clarity improvements
  • DETAILED: Rich expansion with context, constraints, and examples
  • STRUCTURED: Expansion with clear structure (task, format, requirements)
  • CREATIVE: Expansion with creative flair and vivid language
  • AUTO: Automatically selects the best strategy based on prompt analysis

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Import

from praisonaiagents import PromptExpanderAgent, ExpandStrategy

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Quick Example

from praisonaiagents import PromptExpanderAgent, ExpandStrategy

agent = PromptExpanderAgent()

# Basic expansion
result = agent.expand("write a movie script in 3 lines")
print(result.expanded_prompt)

# Detailed expansion
result = agent.expand("blog about AI", strategy=ExpandStrategy.DETAILED)
print(result.expanded_prompt)

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Constructor

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PromptExpanderAgent()

Creates a new PromptExpanderAgent instance. Parameters:
ParameterTypeDefaultDescription
namestr"Prompt Expander"Agent name
modelstr"gpt-4o-mini"LLM model to use
verboseboolFalseEnable verbose logging
temperaturefloat0.7Temperature for generation (higher = more creative)
toolslist[]Optional tools for context gathering

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Methods

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expand(prompt, strategy)

Expands a prompt using the specified strategy. Parameters:
  • prompt (str): The original short prompt
  • strategy (ExpandStrategy): Expansion strategy to use (default: AUTO)
Returns: ExpandResult - Contains expanded prompt and metadata

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ExpandStrategy Enum

class ExpandStrategy(Enum):
    BASIC = "basic"
    DETAILED = "detailed"
    STRUCTURED = "structured"
    CREATIVE = "creative"
    AUTO = "auto"

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ExpandResult

@dataclass
class ExpandResult:
    original_prompt: str
    expanded_prompt: str
    strategy_used: ExpandStrategy
    metadata: Dict[str, Any]

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Examples

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Creative Expansion

from praisonaiagents import PromptExpanderAgent, ExpandStrategy

agent = PromptExpanderAgent(model="gpt-4o-mini", )
result = agent.expand("write a poem", strategy=ExpandStrategy.CREATIVE)
print(result.expanded_prompt)

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With Tools for Context

from praisonaiagents import PromptExpanderAgent
from praisonaiagents import internet_search

agent = PromptExpanderAgent(tools=[internet_search], )
result = agent.expand("latest AI developments")
# Gathers context first, then expands

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Structured Expansion

from praisonaiagents import PromptExpanderAgent, ExpandStrategy

agent = PromptExpanderAgent()
result = agent.expand(
    "create a REST API",
    strategy=ExpandStrategy.STRUCTURED
)
# Returns structured prompt with task, format, requirements