ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/browser-use-rpa/browser-use/examples/api/search/search_url.py

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+"""
+Search URL API Example
+
+This example shows how to use the Browser Use API to extract specific
+content from a given URL based on your query.
+
+Usage:
+    # Copy this function and customize the parameters
+    result = await search_url("https://example.com", "what to find", depth=2)
+"""
+
+import asyncio
+import os
+
+import aiohttp
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+
+async def search_url(url: str, query: str, depth: int = 2):
+	# Validate API key exists
+	api_key = os.getenv('BROWSER_USE_API_KEY')
+	if not api_key:
+		print('❌ Error: BROWSER_USE_API_KEY environment variable is not set.')
+		print('Please set your API key: export BROWSER_USE_API_KEY="your_api_key_here"')
+		return None
+
+	payload = {'url': url, 'query': query, 'depth': depth}
+
+	headers = {'Authorization': f'Bearer {api_key}', 'Content-Type': 'application/json'}
+
+	print('Testing Search URL API...')
+	print(f'URL: {url}')
+	print(f'Query: {query}')
+	print(f'Depth: {depth}')
+	print('-' * 50)
+
+	try:
+		async with aiohttp.ClientSession() as session:
+			async with session.post(
+				'https://api.browser-use.com/api/v1/search-url',
+				json=payload,
+				headers=headers,
+				timeout=aiohttp.ClientTimeout(total=300),
+			) as response:
+				if response.status == 200:
+					result = await response.json()
+					print('✅ Success!')
+					print(f'URL processed: {result.get("url", "N/A")}')
+					content = result.get('content', '')
+					print(f'Content: {content}')
+					return result
+				else:
+					error_text = await response.text()
+					print(f'❌ Error {response.status}: {error_text}')
+					return None
+	except Exception as e:
+		print(f'❌ Exception: {str(e)}')
+		return None
+
+
+if __name__ == '__main__':
+	# Example 1: Extract pricing info
+	asyncio.run(search_url('https://browser-use.com/#pricing', 'Find pricing information for Browser Use'))
+
+	# Example 2: News article analysis
+	# asyncio.run(search_url("https://techcrunch.com", "latest startup funding news", depth=3))
+
+	# Example 3: Product research
+	# asyncio.run(search_url("https://github.com/browser-use/browser-use", "installation instructions", depth=2))

chapter9/browser-use-rpa/browser-use/examples/api/search/simple_search.py

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+"""
+Simple Search API Example
+
+This example shows how to use the Browser Use API to search and extract
+content from multiple websites based on a query.
+
+Usage:
+    # Copy this function and customize the parameters
+    result = await simple_search("your search query", max_websites=5, depth=2)
+"""
+
+import asyncio
+import os
+
+import aiohttp
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+
+async def simple_search(query: str, max_websites: int = 5, depth: int = 2):
+	# Validate API key exists
+	api_key = os.getenv('BROWSER_USE_API_KEY')
+	if not api_key:
+		print('❌ Error: BROWSER_USE_API_KEY environment variable is not set.')
+		print('Please set your API key: export BROWSER_USE_API_KEY="your_api_key_here"')
+		return None
+
+	payload = {'query': query, 'max_websites': max_websites, 'depth': depth}
+
+	headers = {'Authorization': f'Bearer {api_key}', 'Content-Type': 'application/json'}
+
+	print('Testing Simple Search API...')
+	print(f'Query: {query}')
+	print(f'Max websites: {max_websites}')
+	print(f'Depth: {depth}')
+	print('-' * 50)
+
+	try:
+		async with aiohttp.ClientSession() as session:
+			async with session.post(
+				'https://api.browser-use.com/api/v1/simple-search',
+				json=payload,
+				headers=headers,
+				timeout=aiohttp.ClientTimeout(total=300),
+			) as response:
+				if response.status == 200:
+					result = await response.json()
+					print('✅ Success!')
+					print(f'Results: {len(result.get("results", []))} websites processed')
+					for i, item in enumerate(result.get('results', [])[:2], 1):
+						print(f'\n{i}. {item.get("url", "N/A")}')
+						content = item.get('content', '')
+						print(f'   Content: {content}')
+					return result
+				else:
+					error_text = await response.text()
+					print(f'❌ Error {response.status}: {error_text}')
+					return None
+	except Exception as e:
+		print(f'❌ Exception: {str(e)}')
+		return None
+
+
+if __name__ == '__main__':
+	# Example 1: Basic search
+	asyncio.run(simple_search('latest AI news'))
+
+	# Example 2: Custom parameters
+	# asyncio.run(simple_search("python web scraping", max_websites=3, depth=3))
+
+	# Example 3: Research query
+	# asyncio.run(simple_search("climate change solutions 2024", max_websites=7, depth=2))