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

chapter1/context/tests/manual/show_sample_tasks.py

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+#!/usr/bin/env python3
+"""
+Demo script to showcase sample tasks with PDF functionality
+"""
+
+import os
+import sys
+from pathlib import Path
+
+from _bootstrap import add_project_root
+
+add_project_root()
+
+from main import get_sample_tasks, ensure_sample_pdfs
+
+def main():
+    """Demo the sample tasks"""
+    print("\n" + "="*60)
+    print("🎯 CONTEXT-AWARE AGENT - SAMPLE TASKS DEMO")
+    print("="*60)
+    
+    # Ensure PDFs exist
+    print("\n📄 Checking for sample PDFs...")
+    if ensure_sample_pdfs():
+        print("✅ Sample PDFs are ready!")
+    else:
+        print("⚠️ Could not create sample PDFs, will use online alternatives")
+    
+    # Get sample tasks
+    tasks = get_sample_tasks()
+    
+    print(f"\n📋 Found {len(tasks)} sample tasks:")
+    print("-"*60)
+    
+    for i, task in enumerate(tasks, 1):
+        print(f"\n{i}. {task['name']}")
+        print(f"   📝 {task['description']}")
+        print(f"   📊 Complexity: {'⭐' * (i if i <= 3 else 3)}")
+        
+        # Show a preview of the task
+        task_preview = task['task'].replace('\n', ' ')[:100] + "..."
+        print(f"   💬 Preview: {task_preview}")
+    
+    print("\n" + "="*60)
+    print("💡 USAGE TIPS:")
+    print("-"*60)
+    print("1. Run 'python main.py' to enter interactive mode")
+    print("2. Type 'sample 2' to test PDF parsing capabilities")
+    print("3. Type 'sample 5' for the most comprehensive test")
+    print("4. Switch modes with 'mode no_reasoning' to see ablation effects")
+    
+    print("\n" + "="*60)
+    print("🔬 ABLATION TESTING:")
+    print("-"*60)
+    print("Try running the same task in different modes:")
+    print("  • full         - Everything works perfectly")
+    print("  • no_history   - Agent forgets what it did")
+    print("  • no_reasoning - No planning, chaotic execution")
+    print("  • no_tool_calls - Can't do anything!")
+    print("  • no_tool_results - Works blind, gets confused")
+    
+    print("\n" + "="*60)
+    print("📊 PDF TASKS:")
+    print("-"*60)
+    
+    # Check if local PDFs exist
+    pdf_dir = Path("fixtures/pdfs")
+    if pdf_dir.exists():
+        pdfs = list(pdf_dir.glob("*.pdf"))
+        if pdfs:
+            print(f"✅ Found {len(pdfs)} local PDF files:")
+            for pdf in pdfs:
+                print(f"   • {pdf.name}")
+            print("\nTask #2 will use these local PDFs for testing.")
+        else:
+            print("⚠️ No PDFs found in fixtures/pdfs/")
+    else:
+        print("📥 PDF directory not found. Run 'create_pdfs' command to generate samples.")
+    
+    print("\n" + "="*60)
+    print("Ready to test! Run 'python main.py' to start.")
+    print("="*60 + "\n")
+
+
+if __name__ == "__main__":
+    main()