Update OpenAI client to use stable API and bump minimum version to 2.0.0

- Remove beta prefix from completions.parse
- Update OpenAI dependency to >=2.0.0
- Fix whitespace formatting
- Update all requirement files
- Clean up pyproject.toml dependencies

lightrag/llm/azure_openai.py

@@ -90,7 +90,7 @@ async def azure_openai_complete_if_cache(
         messages.append({"role": "user", "content": prompt})
 
     if "response_format" in kwargs:
-        response = await openai_async_client.beta.chat.completions.parse(
+        response = await openai_async_client.chat.completions.parse(
             model=model, messages=messages, **kwargs
         )
     else:

lightrag/llm/openai.py

@@ -241,7 +241,7 @@ async def openai_complete_if_cache(
     try:
         # Don't use async with context manager, use client directly
         if "response_format" in kwargs:
-            response = await openai_async_client.beta.chat.completions.parse(
+            response = await openai_async_client.chat.completions.parse(
                 model=model, messages=messages, **kwargs
             )
         else:
@@ -492,7 +492,9 @@ async def openai_complete_if_cache(
                             reasoning_content = safe_unicode_decode(
                                 reasoning_content.encode("utf-8")
                             )
-                        final_content = f"<think>{reasoning_content}</think>{final_content}"
+                        final_content = (
+                            f"<think>{reasoning_content}</think>{final_content}"
+                        )
                 else:
                     # COT disabled, only use regular content
                     final_content = content or ""

pyproject.toml

@@ -58,7 +58,7 @@ api = [
     "nano-vectordb",
     "networkx",
     "numpy>=1.24.0,<2.0.0",
-    "openai>=1.0.0,<3.0.0",
+    "openai>=2.0.0,<3.0.0",
     "pandas>=2.0.0,<2.4.0",
     "pipmaster",
     "pydantic",
@@ -115,7 +115,7 @@ offline-storage = [
 
 offline-llm = [
     # LLM provider dependencies
-    "openai>=1.0.0,<3.0.0",
+    "openai>=2.0.0,<3.0.0",
     "anthropic>=0.18.0,<1.0.0",
     "ollama>=0.1.0,<1.0.0",
     "zhipuai>=2.0.0,<3.0.0",

requirements-offline-llm.txt

@@ -14,6 +14,6 @@ google-api-core>=2.0.0,<3.0.0
 google-genai>=1.0.0,<2.0.0
 llama-index>=0.9.0,<1.0.0
 ollama>=0.1.0,<1.0.0
-openai>=1.0.0,<3.0.0
+openai>=2.0.0,<3.0.0
 voyageai>=0.2.0,<1.0.0
 zhipuai>=2.0.0,<3.0.0

requirements-offline.txt

@@ -19,7 +19,7 @@ google-genai>=1.0.0,<2.0.0
 llama-index>=0.9.0,<1.0.0
 neo4j>=5.0.0,<7.0.0
 ollama>=0.1.0,<1.0.0
-openai>=1.0.0,<3.0.0
+openai>=2.0.0,<3.0.0
 openpyxl>=3.0.0,<4.0.0
 pycryptodome>=3.0.0,<4.0.0
 pymilvus>=2.6.2,<3.0.0

uv.lock

@@ -2735,7 +2735,6 @@ requires-dist = [
     { name = "json-repair", marker = "extra == 'api'" },
     { name = "langfuse", marker = "extra == 'observability'", specifier = ">=3.8.1" },
     { name = "lightrag-hku", extras = ["api", "offline-llm", "offline-storage"], marker = "extra == 'offline'" },
-    { name = "lightrag-hku", extras = ["pytest"], marker = "extra == 'evaluation'" },
     { name = "llama-index", marker = "extra == 'offline-llm'", specifier = ">=0.9.0,<1.0.0" },
     { name = "nano-vectordb" },
     { name = "nano-vectordb", marker = "extra == 'api'" },
@@ -2745,14 +2744,15 @@ requires-dist = [
     { name = "numpy", specifier = ">=1.24.0,<2.0.0" },
     { name = "numpy", marker = "extra == 'api'", specifier = ">=1.24.0,<2.0.0" },
     { name = "ollama", marker = "extra == 'offline-llm'", specifier = ">=0.1.0,<1.0.0" },
-    { name = "openai", marker = "extra == 'api'", specifier = ">=1.0.0,<3.0.0" },
-    { name = "openai", marker = "extra == 'offline-llm'", specifier = ">=1.0.0,<3.0.0" },
+    { name = "openai", marker = "extra == 'api'", specifier = ">=2.0.0,<3.0.0" },
+    { name = "openai", marker = "extra == 'offline-llm'", specifier = ">=2.0.0,<3.0.0" },
     { name = "openpyxl", marker = "extra == 'api'", specifier = ">=3.0.0,<4.0.0" },
     { name = "pandas", specifier = ">=2.0.0,<2.4.0" },
     { name = "pandas", marker = "extra == 'api'", specifier = ">=2.0.0,<2.4.0" },
     { name = "passlib", extras = ["bcrypt"], marker = "extra == 'api'" },
     { name = "pipmaster" },
     { name = "pipmaster", marker = "extra == 'api'" },
+    { name = "pre-commit", marker = "extra == 'evaluation'" },
     { name = "pre-commit", marker = "extra == 'pytest'" },
     { name = "psutil", marker = "extra == 'api'" },
     { name = "pycryptodome", marker = "extra == 'api'", specifier = ">=3.0.0,<4.0.0" },
@@ -2764,7 +2764,9 @@ requires-dist = [
     { name = "pypdf", marker = "extra == 'api'", specifier = ">=6.1.0" },
     { name = "pypinyin" },
     { name = "pypinyin", marker = "extra == 'api'" },
+    { name = "pytest", marker = "extra == 'evaluation'", specifier = ">=8.4.2" },
     { name = "pytest", marker = "extra == 'pytest'", specifier = ">=8.4.2" },
+    { name = "pytest-asyncio", marker = "extra == 'evaluation'", specifier = ">=1.2.0" },
     { name = "pytest-asyncio", marker = "extra == 'pytest'", specifier = ">=1.2.0" },
     { name = "python-docx", marker = "extra == 'api'", specifier = ">=0.8.11,<2.0.0" },
     { name = "python-dotenv" },