Python 3.13 support

.github/actions/poetry-python-install/action.yaml

@@ -5,7 +5,7 @@ inputs:
   python-version:
     description: Python version
     required: true
-    default: '3.9'
+    default: '3.10'
   poetry-version:
     description: Poetry version
     required: true

.github/workflows/pytest.yaml

@@ -9,8 +9,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
-        fastapi-version: ['0.110', '0.111', '0.112']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
+        fastapi-version: ['0.115']
     env:
       BACKEND_DIR: ./backend
     steps:

backend/chainlit/__init__.py

@@ -44,7 +44,7 @@
 )
 from chainlit.step import Step, step
 from chainlit.sync import make_async, run_sync
-from chainlit.types import InputAudioChunk, OutputAudioChunk, ChatProfile, Starter
+from chainlit.types import ChatProfile, InputAudioChunk, OutputAudioChunk, Starter
 from chainlit.user import PersistedUser, User
 from chainlit.user_session import user_session
 from chainlit.utils import make_module_getattr
@@ -57,9 +57,9 @@
     author_rename,
     header_auth_callback,
     oauth_callback,
-    on_audio_start,
     on_audio_chunk,
     on_audio_end,
+    on_audio_start,
     on_chat_end,
     on_chat_resume,
     on_chat_start,

backend/chainlit/auth.py

@@ -52,9 +52,8 @@ def create_jwt(data: User) -> str:
     to_encode: Dict[str, Any] = data.to_dict()
     to_encode.update(
         {
-            "exp": datetime.utcnow() + timedelta(
-                seconds=config.project.user_session_timeout
-            ),
+            "exp": datetime.utcnow()
+            + timedelta(seconds=config.project.user_session_timeout),
         }
     )
     encoded_jwt = jwt.encode(to_encode, get_jwt_secret(), algorithm="HS256")

backend/chainlit/config.py

@@ -29,7 +29,7 @@
 if TYPE_CHECKING:
     from chainlit.action import Action
     from chainlit.message import Message
-    from chainlit.types import InputAudioChunk, ChatProfile, Starter, ThreadDict
+    from chainlit.types import ChatProfile, InputAudioChunk, Starter, ThreadDict
     from chainlit.user import User
     from fastapi import Request, Response
 
@@ -272,9 +272,9 @@ class CodeSettings:
     password_auth_callback: Optional[
         Callable[[str, str], Awaitable[Optional["User"]]]
     ] = None
-    header_auth_callback: Optional[
-        Callable[[Headers], Awaitable[Optional["User"]]]
-    ] = None
+    header_auth_callback: Optional[Callable[[Headers], Awaitable[Optional["User"]]]] = (
+        None
+    )
     oauth_callback: Optional[
         Callable[[str, str, Dict[str, str], "User"], Awaitable[Optional["User"]]]
     ] = None
@@ -293,9 +293,9 @@ class CodeSettings:
     set_chat_profiles: Optional[
         Callable[[Optional["User"]], Awaitable[List["ChatProfile"]]]
     ] = None
-    set_starters: Optional[
-        Callable[[Optional["User"]], Awaitable[List["Starter"]]]
-    ] = None
+    set_starters: Optional[Callable[[Optional["User"]], Awaitable[List["Starter"]]]] = (
+        None
+    )
 
 
 @dataclass()

backend/chainlit/server.py

@@ -895,7 +895,7 @@ async def get_file(
             detail="Unauthorized",
         )
 
-     #TODO: Causes 401 error. See https://github.com/Chainlit/chainlit/issues/1472
+    # TODO: Causes 401 error. See https://github.com/Chainlit/chainlit/issues/1472
     # if current_user:
     #     if not session.user or session.user.identifier != current_user.identifier:
     #         raise HTTPException(

backend/pyproject.toml

@@ -39,13 +39,13 @@ chainlit = 'chainlit.cli:cli'
 script = "build.py"
 
 [tool.poetry.dependencies]
-python = ">=3.9,<4.0.0"
+python = ">=3.10,<4.0.0"
 httpx = ">=0.23.0"
 literalai = "0.0.623"
 dataclasses_json = "^0.6.7"
-fastapi = ">=0.110.1,<0.113"
-starlette = "^0.37.2"
-uvicorn = "^0.25.0"
+fastapi = ">=0.115.3,<0.116"
+starlette = "^0.41.2"
+uvicorn = "^0.32.0"
 python-socketio = "^5.11.0"
 aiofiles = "^23.1.0"
 syncer = "^2.0.3"
@@ -62,7 +62,6 @@ lazify = "^0.4.0"
 packaging = "^23.1"
 python-multipart = "^0.0.9"
 pyjwt = "^2.8.0"
-numpy = "^1.26"
 
 [tool.poetry.group.tests]
 optional = true
@@ -101,7 +100,7 @@ mypy-boto3-dynamodb = "^1.34.113"
 pandas-stubs = { version = "^2.2.2", python = ">=3.9" }
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 
 
 [[tool.mypy.overrides]]
@@ -122,9 +121,6 @@ module = [
 ignore_missing_imports = true
 
 
-
-
-
 [tool.poetry.group.custom-data]
 optional = true
 

backend/tests/test_server.py

@@ -1,19 +1,19 @@
+import datetime  # Added import for datetime
 import os
-from pathlib import Path
 import pathlib
+import tempfile
+from pathlib import Path
 from typing import Callable
 from unittest.mock import AsyncMock, Mock, create_autospec, mock_open
-import datetime  # Added import for datetime
 
 import pytest
-import tempfile
-from chainlit.session import WebsocketSession
 from chainlit.auth import get_current_user
 from chainlit.config import APP_ROOT, ChainlitConfig, load_config
 from chainlit.server import app
-from fastapi.testclient import TestClient
+from chainlit.session import WebsocketSession
 from chainlit.types import FileReference
 from chainlit.user import PersistedUser  # Added import for PersistedUser
+from fastapi.testclient import TestClient
 
 
 @pytest.fixture