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"""

Unified Web Search Example

This example demonstrates the search_web tool that automatically tries

multiple search providers with fallback support.

Search Provider Priority:

1. Tavily (requires TAVILY_API_KEY + tavily-python)

2. Exa (requires EXA_API_KEY + exa_py)

3. You.com (requires YDC_API_KEY + youdotcom)

4. DuckDuckGo (requires duckduckgo_search package, no API key)

5. SearxNG (requires requests + running SearxNG instance)

Installation:

pip install praisonaiagents duckduckgo_search

Usage:

python web_search_example.py

"""

from praisonaiagents import Agent

from praisonaiagents.tools import search_web, get_available_providers

def main():

print("=" * 60)

print("Unified Web Search - Provider Status")

print("=" * 60)

# Check which providers are available

providers = get_available_providers()

for p in providers:

status = "✓ Available" if p["available"] else f"✗ {p['reason']}"

print(f" {p['name']:12} {status}")

print("\n" + "=" * 60)

print("Example 1: Basic Search")

print("=" * 60)

# Simple search - automatically uses best available provider

results = search_web("Python programming best practices", max_results=3)

if results and "error" not in results[0]:

print(f"\nFound {len(results)} results using {results[0].get('provider', 'unknown')}:\n")

for r in results:

print(f" Title: {r.get('title', 'N/A')[:60]}...")

print(f" URL: {r.get('url', 'N/A')}")

print()

else:

print(f"\nSearch failed: {results}")

print("=" * 60)

print("Example 2: Specify Providers")

print("=" * 60)

# Only try specific providers

results = search_web(

"machine learning tutorials",

max_results=3,

providers=["duckduckgo", "tavily"] # Try these in order

)

if results and "error" not in results[0]:

print(f"\nFound {len(results)} results using {results[0].get('provider', 'unknown')}:\n")

for r in results:

print(f" Title: {r.get('title', 'N/A')[:60]}...")

print(f" URL: {r.get('url', 'N/A')}")

print()

else:

print(f"\nSearch failed: {results}")

print("=" * 60)

print("Example 3: With PraisonAI Agent")

print("=" * 60)

# Use search_web as an agent tool

agent = Agent(

name="SearchAgent",

role="Web Researcher",

goal="Find and summarize information from the web",

instructions="Search the web and provide concise summaries of findings.",

tools=[search_web]

)

result = agent.start("What are the top 3 AI trends in 2025?")

print(f"\nAgent Response:\n{result}")

if __name__ == "__main__":

main()

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