chore: adds error reproduction files (to delete later)

working_dir_error_replication/reader.py

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+import asyncio
+import time
+from cognee.infrastructure.databases.graph.kuzu.adapter import KuzuAdapter
+
+# This will create the test.db if it doesn't exist
+
+
+async def main():
+    print("Reader: Waiting 2 seconds...")
+
+    time.sleep(5)
+    adapter = KuzuAdapter("test.db")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+
+    print(f"Reader: Found {result[0][0]} nodes")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+    print(f"Reader: Found {result[0][0]} nodes")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+    print(f"Reader: Found {result[0][0]} nodes")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+    print(f"Reader: Found {result[0][0]} nodes")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+    print(f"Reader: Found {result} nodes")
+    result = await adapter.query("MATCH (n:Node) RETURN COUNT(n)")
+    print(f"Reader: Found {result[0][0]} nodes")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())

working_dir_error_replication/run_subprocess_test.py

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+"""
+Run writer and reader in separate subprocesses to test Kuzu locks.
+"""
+
+import subprocess
+import time
+import os
+
+def main():
+    print("=== Kuzu Subprocess Lock Test ===")
+    print("Starting writer and reader in separate subprocesses...")
+    print("Writer will hold the database lock, reader should block or fail\n")
+    
+    start_time = time.time()
+    
+    # Start writer subprocess
+    writer_process = subprocess.Popen([os.sys.executable, "writer.py"])
+
+    reader_process = subprocess.Popen([os.sys.executable, "reader.py"])
+    
+    # Wait for both processes to complete
+    writer_process.wait()
+    reader_process.wait()
+    
+    total_time = time.time() - start_time
+    print(f"\nTotal execution time: {total_time:.2f}s")
+
+if __name__ == "__main__":
+    main()

working_dir_error_replication/writer.py

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+import asyncio
+from uuid import uuid4
+from cognee.infrastructure.databases.graph.kuzu.adapter import KuzuAdapter
+import time
+import uuid
+from cognee.modules.chunking.models.DocumentChunk import DocumentChunk
+from cognee.modules.data.processing.document_types import PdfDocument
+
+
+def create_node(name):
+    document = PdfDocument(
+        id=uuid.uuid4(),
+        name=name,
+        raw_data_location=name,
+        external_metadata="",
+        mime_type="",
+    )
+    return document
+
+async def main():
+    adapter = KuzuAdapter("test.db")
+    print("Writer: Starting...")
+    nodes = [create_node(f"Node{i}") for i in range(100)]
+    await adapter.add_nodes(nodes)
+
+    print("writer finished...")
+
+    time.sleep(100)
+
+if __name__ == "__main__":
+    asyncio.run(main())