chore!: Drop support for Python 3.9

CONTRIBUTING.md

@@ -4,7 +4,7 @@ Here you'll find a contributing guide to get started with development.
 
 ## Environment
 
-For local development, it is required to have Python 3.9 (or a later version) installed.
+For local development, it is required to have Python 3.10 (or a later version) installed.
 
 We use [uv](https://docs.astral.sh/uv/) for project management. Install it and set up your IDE accordingly.
 

README.md

@@ -9,7 +9,7 @@ check out the [Apify SDK for Python](https://docs.apify.com/sdk/python) instead.
 
 ## Installation
 
-Requires Python 3.9+
+Requires Python 3.10+
 
 You can install the package from its [PyPI listing](https://pypi.org/project/apify-shared).
 To do that, simply run `pip install apify-shared` in your terminal.

mypy.ini

@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.9
+python_version = 3.10
 files = scripts, src, tests
 check_untyped_defs = True
 disallow_incomplete_defs = True

pyproject.toml

@@ -9,17 +9,18 @@ keywords = ["apify", "api", "shared", "scraping", "automation"]
 
 classifiers = [
     "Development Status :: 5 - Production/Stable",
+    "Environment :: Console",
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Topic :: Software Development :: Libraries",
 ]
 
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 
 # We use inclusive ordered comparison clause for non-Apify packages intentionally in order to enhance the Apify
 # packages's compatibility with a wide range of external packages. This decision was discussed in detail in

src/apify_shared/types.py

@@ -1,10 +1,10 @@
 from __future__ import annotations
 
-from typing import Any, Union
+from typing import Any
 
 # Type for representing json-serializable values.
 # It's close enough to the real thing supported by json.parse,
 # and the best we can do until mypy supports recursive types.
 # It was suggested in a discussion with (and approved by) Guido van Rossum,
 # so I'd consider it correct enough.
-JSONSerializable = Union[str, int, float, bool, None, dict[str, Any], list[Any]]
+JSONSerializable = str | int | float | bool | None | dict[str, Any] | list[Any]

src/apify_shared/utils.py

@@ -78,7 +78,7 @@ def is_file_or_bytes(value: Any) -> bool:
     but then the check would be super complex, judging from how the 'requests' library does it.
     This way should be good enough for the vast majority of use cases, if it causes issues, we can improve it later.
     """
-    return isinstance(value, (bytes, bytearray, io.IOBase))
+    return isinstance(value, (bytes | bytearray | io.IOBase))
 
 
 @ignore_docs