[CI/Build] Add support for Python 3.13 (#13164)

Signed-off-by: mgoin <michael@neuralmagic.com>
Signed-off-by: mgoin <mgoin64@gmail.com>
Co-authored-by: Cyrus Leung <tlleungac@connect.ust.hk>

CMakeLists.txt

@@ -30,7 +30,7 @@ install(CODE "set(CMAKE_INSTALL_LOCAL_ONLY TRUE)" ALL_COMPONENTS)
 # Supported python versions.  These versions will be searched in order, the
 # first match will be selected.  These should be kept in sync with setup.py.
 #
-set(PYTHON_SUPPORTED_VERSIONS "3.9" "3.10" "3.11" "3.12")
+set(PYTHON_SUPPORTED_VERSIONS "3.9" "3.10" "3.11" "3.12", "3.13")
 
 # Supported AMD GPU architectures.
 set(HIP_SUPPORTED_ARCHS "gfx906;gfx908;gfx90a;gfx942;gfx950;gfx1030;gfx1100;gfx1101;gfx1200;gfx1201")

docs/getting_started/quickstart.md

@@ -8,7 +8,7 @@ This guide will help you quickly get started with vLLM to perform:
 ## Prerequisites
 
 - OS: Linux
-- Python: 3.9 -- 3.12
+- Python: 3.9 -- 3.13
 
 ## Installation
 

pyproject.toml

@@ -24,13 +24,14 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Intended Audience :: Developers",
     "Intended Audience :: Information Technology",
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Topic :: Scientific/Engineering :: Information Analysis",
 ]
-requires-python = ">=3.9,<3.13"
+requires-python = ">=3.9,<3.14"
 dynamic = [ "version", "dependencies", "optional-dependencies"]
 
 [project.urls]

vllm/config/__init__.py

@@ -191,7 +191,17 @@ def get_attr_docs(cls: type[Any]) -> dict[str, str]:
             yield a, b
             a = b
 
-    cls_node = ast.parse(textwrap.dedent(inspect.getsource(cls))).body[0]
+    try:
+        cls_node = ast.parse(textwrap.dedent(inspect.getsource(cls))).body[0]
+    except (OSError, KeyError, TypeError):
+        # HACK: Python 3.13+ workaround - set missing __firstlineno__
+        # Workaround can be removed after we upgrade to pydantic==2.12.0
+        with open(inspect.getfile(cls)) as f:
+            for i, line in enumerate(f):
+                if f"class {cls.__name__}" in line and ":" in line:
+                    cls.__firstlineno__ = i + 1
+                    break
+        cls_node = ast.parse(textwrap.dedent(inspect.getsource(cls))).body[0]
 
     if not isinstance(cls_node, ast.ClassDef):
         raise TypeError("Given object was not a class.")