Support Python 3.9

Fixes #82 and haddock3 also requires 3.9

pyproject.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 packages = [{include = "bartender", from = "src"}]
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.9"
 # TODO upgrade to pydantic v2
 fastapi = "^0.99.0"
 uvicorn = {version = "^0.21.1", extras = ["standard"]}

src/bartender/config.py

@@ -3,7 +3,7 @@
 
 from pathlib import Path
 from tempfile import gettempdir
-from typing import Annotated, Any
+from typing import Annotated, Any, Union
 
 from fastapi import Depends, Request
 from jsonschema import Draft202012Validator
@@ -41,17 +41,17 @@ class ApplicatonConfiguration(BaseModel):
     """
 
     command_template: str
-    input_schema: dict[Any, Any] | None = None
-    summary: str | None = None
-    description: str | None = None
+    input_schema: Union[dict[Any, Any], None] = None
+    summary: Union[str, None] = None
+    description: Union[str, None] = None
     upload_needs: list[str] = []
     allowed_roles: list[str] = []
 
     @validator("input_schema")
     def check_input_schema(
         cls,  # noqa: N805
-        v: dict[Any, Any] | None,  # noqa: WPS111
-    ) -> dict[Any, Any] | None:
+        v: Union[dict[Any, Any], None],  # noqa: WPS111
+    ) -> Union[dict[Any, Any], None]:
         """Validate input schema.
 
         Args:
@@ -128,10 +128,10 @@ class InteractiveApplicationConfiguration(BaseModel):
 
     command_template: str
     input_schema: dict[Any, Any]
-    summary: str | None = None
-    description: str | None = None
+    summary: Union[str, None] = None
+    description: Union[str, None] = None
     timeout: confloat(gt=0, le=60) = 30.0  # type: ignore
-    job_application: str | None = None
+    job_application: Union[str, None] = None
 
     @validator("input_schema")
     def check_input_schema(

src/bartender/web/api/job/interactive_apps.py

@@ -5,7 +5,7 @@
 from contextlib import asynccontextmanager
 from os.path import join
 from pathlib import Path
-from typing import Any, AsyncGenerator, Literal
+from typing import Any, AsyncGenerator, Literal, Union
 
 from aiofiles import open
 from aiofiles.tempfile import TemporaryDirectory
@@ -75,10 +75,10 @@ def build_command(
     return template.render(**payload)
 
 
-MediaEncoding = Literal["base64"] | Literal["utf-8"]  # -- 3.10>= union type
+MediaEncoding = Union[Literal["base64"], Literal["utf-8"]]
 
 
-def encoding_of_prop(prop: dict[Any, Any]) -> MediaEncoding | None:
+def encoding_of_prop(prop: dict[Any, Any]) -> Union[MediaEncoding, None]:
     """
     Determines the encoding of a property.
 
@@ -147,7 +147,7 @@ async def write_file(encoded_data: str, encoding: MediaEncoding, fn: str) -> Non
         await fh.write(decoded_data)
 
 
-def get_path_in_payload(data: dict[Any, Any], path: str) -> Any | None:
+def get_path_in_payload(data: dict[Any, Any], path: str) -> Union[Any, None]:
     """
     Get the value at the specified path in the given dictionary.