Merge pull request #195 from khaeru/python-3.13

Confirm support for Python 3.13 and drop 3.8

Author: khaeru

.github/workflows/pytest.yaml

@@ -22,13 +22,13 @@ jobs:
         - ubuntu-latest
         - windows-latest
         python-version:
-        - "3.8"  # Earliest supported version
-        - "3.9"
+        - "3.9"          # Earliest supported version
         - "3.10"
         - "3.11"
-        - "3.12"  # Latest supported version
+        - "3.12"
+        - "3.13"  # Latest supported version
         # commented: only enable once next Python version enters RC
-        # - "3.13.0-rc.1"  # Development version
+        # - "3.14.0-rc.1"  # Development version
 
       fail-fast: false
 

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v1.11.1
+  rev: v1.12.0
   hooks:
   - id: mypy
     additional_dependencies:
@@ -15,7 +15,7 @@ repos:
     - types-requests
     args: []
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.6.0
+  rev: v0.6.9
   hooks:
   - id: ruff
   - id: ruff-format

doc/install.rst

@@ -4,7 +4,7 @@ Installation
 Dependencies
 ============
 
-:mod:`sdmx` is a pure `Python <https://python.org>`_ package requiring Python 3.8 or higher, which can be installed:
+:mod:`sdmx` is a pure `Python <https://python.org>`_ package requiring Python 3.9 or higher, which can be installed:
 
 - from `the Python website <https://www.python.org/downloads/>`_, or
 - using a scientific Python distribution that includes other packages useful for data analysis, such as

doc/whatsnew.rst

@@ -3,8 +3,12 @@
 What's new?
 ***********
 
-.. Next release
-.. ============
+Next release
+============
+
+- Python 3.13 (`released 2024-10-07 <https://www.python.org/downloads/release/python-3130/>`_) is fully supported (:pull:`195`).
+- Python 3.8 support is dropped, as `it has reached end-of-life <https://peps.python.org/pep-0569/#lifespan>`__ (:pull:`195`).
+  :mod:`sdmx` requires Python 3.9 or later.
 
 v2.17.0 (2024-09-03)
 ====================

pyproject.toml

@@ -19,15 +19,15 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.8",
   "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 :: Scientific/Engineering",
   "Topic :: Scientific/Engineering :: Information Analysis",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
   "lxml >= 3.6",
   "pandas >= 1.0",
@@ -41,7 +41,6 @@ cache = ["requests-cache"]
 docs = ["IPython", "sphinx >=4", "sphinx-book-theme"]
 tests = [
   "Jinja2",
-  "pyarrow",  # Suppress a warning from pandas >=2.2, <3.0
   "pytest >= 5",
   "pytest-cov",
   "pytest-xdist",

sdmx/client.py

@@ -1,6 +1,6 @@
 import logging
 from functools import partial
-from typing import IO, TYPE_CHECKING, Any, Dict, Optional, Union
+from typing import IO, TYPE_CHECKING, Any, Optional, Union
 from warnings import warn
 
 import requests
@@ -56,7 +56,7 @@ class Client:
 
     """
 
-    cache: Dict[str, "sdmx.message.Message"] = {}
+    cache: dict[str, "sdmx.message.Message"] = {}
 
     #: :class:`.source.Source` for requests sent from the instance.
     source: "sdmx.source.Source"
@@ -65,7 +65,7 @@ class Client:
     session: requests.Session
 
     # Stored keyword arguments "allow_redirects" and "timeout" for pre-requests.
-    _send_kwargs: Dict[str, Any] = {}
+    _send_kwargs: dict[str, Any] = {}
 
     def __init__(self, source=None, log_level=None, **session_opts):
         try:

sdmx/dictlike.py

@@ -1,7 +1,7 @@
 import logging
 import typing
 from dataclasses import fields
-from typing import Generic, Tuple, TypeVar, Union, get_args, get_origin
+from typing import Generic, TypeVar, Union, get_args, get_origin
 
 log = logging.getLogger(__name__)
 
@@ -67,7 +67,7 @@ def update(self, other):
     def __hash__(cls):
         pass
 
-    def _validate_entry(self, kv: Tuple):
+    def _validate_entry(self, kv: tuple):
         """Validate one `key`/`value` pair."""
         key, value = kv
         try:
@@ -147,7 +147,7 @@ def _get_field_types(self, obj):
         self._field = next(filter(lambda f: f.name == self._name[1:], fields(obj)))
         # The type is DictLike[KeyType, ValueType]; retrieve those arguments
         kt, vt = get_args(self._field.type)
-        # Store. If ValueType is a generic, e.g. List[int], store only List.
+        # Store. If ValueType is a generic, e.g. list[int], store only List.
         self._types = (kt, get_origin(vt) or vt)
 
     def __get__(self, obj, type) -> DictLike[KT, VT]:

sdmx/experimental.py

@@ -71,7 +71,7 @@ def add_obs(self, observations, series_key=None):
 
     @property
     def obs(self):
-        # In model.DataSet, .obs is typed as List[Observation].
+        # In model.DataSet, .obs is typed as list[Observation].
         # Here, the Observations are generated on request.
         for key, data in self._data.iterrows():
             yield self._make_obs(key, data)

sdmx/format/__init__.py

@@ -2,7 +2,7 @@
 from dataclasses import InitVar, dataclass, field
 from enum import Enum, IntFlag
 from functools import lru_cache
-from typing import List, Literal, Optional, Union
+from typing import Literal, Optional, Union
 
 from sdmx.util import parse_content_type
 
@@ -141,7 +141,7 @@ def is_time_series(self) -> bool:
 ]
 
 
-def list_media_types(**filters) -> List[MediaType]:
+def list_media_types(**filters) -> list[MediaType]:
     """Return the string for each item in :data:`MEDIA_TYPES` matching `filters`."""
     result = []
     for mt in MEDIA_TYPES:

sdmx/format/xml/common.py

@@ -6,7 +6,7 @@
 from operator import itemgetter
 from pathlib import Path
 from shutil import copytree
-from typing import IO, Iterable, List, Mapping, Optional, Tuple, Union
+from typing import IO, Iterable, Mapping, Optional, Union
 
 from lxml import etree
 from lxml.etree import QName
@@ -221,7 +221,7 @@ def _extracted_zipball(version: Version) -> Path:
 
 def _handle_validate_args(
     schema_dir: Optional[Path], version: Union[str, Version]
-) -> Tuple[Path, Version]:
+) -> tuple[Path, Version]:
     """Handle arguments for :func:`.install_schemas` and :func:`.validate_xml`."""
     import platformdirs
 
@@ -274,9 +274,9 @@ def install_schemas(
 
 class XMLFormat:
     NS: Mapping[str, Optional[str]]
-    _class_tag: List
+    _class_tag: list
 
-    def __init__(self, model, base_ns: str, class_tag: Iterable[Tuple[str, str]]):
+    def __init__(self, model, base_ns: str, class_tag: Iterable[tuple[str, str]]):
         from sdmx import message  # noqa: F401
 
         self.base_ns = base_ns