MOD: Drop support for Python 3.8

nmacholl · nmacholl · commit bd0eca41372e · 2024-10-03T16:14:03.000Z
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     name: build - Python ${{ matrix.python-version }} (${{ matrix.os }})
     runs-on: ${{ matrix.os }}
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.43.0 - TBD
+
+#### Breaking changes
+- Removed support for Python 3.8 due to end of life
+
 ## 0.42.0 - 2024-09-23
 
 #### Enhancements
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 # databento-python
 
 [![test](https://github.com/databento/databento-python/actions/workflows/test.yml/badge.svg?branch=dev)](https://github.com/databento/databento-python/actions/workflows/test.yml)
-![python](https://img.shields.io/badge/python-3.8+-blue.svg)
+![python](https://img.shields.io/badge/python-3.9+-blue.svg)
 [![pypi-version](https://img.shields.io/pypi/v/databento)](https://pypi.org/project/databento)
 [![license](https://img.shields.io/github/license/databento/databento-python?color=blue)](./LICENSE)
 [![code-style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
@@ -28,16 +28,16 @@ You can find our full client API reference on the [Historical Reference](https:/
 [Examples](https://databento.com/docs/examples?historical=python&live=python) section for various tutorials and code samples.
 
 ## Requirements
-The library is fully compatible with the latest distribution of Anaconda 3.8 and above.
+The library is fully compatible with the latest distribution of Anaconda 3.9 and above.
 The minimum dependencies as found in the `pyproject.toml` are also listed below:
-- python = "^3.8"
+- python = "^3.9"
 - aiohttp = "^3.8.3"
 - databento-dbn = "0.20.1"
 - numpy= ">=1.23.5"
 - pandas = ">=1.5.3"
 - pip-system-certs = ">=4.0" (Windows only)
 - pyarrow = ">=13.0.0"
-- requests = ">=2.24.0"
+- requests = ">=2.25.1"
 - zstandard = ">=0.21.0"
 
 ## Installation
diff --git a/databento/common/constants.py b/databento/common/constants.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from typing import Final
 
 import numpy as np
diff --git a/databento/common/iterator.py b/databento/common/iterator.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import itertools
 from collections.abc import Iterable
 from typing import TypeVar
diff --git a/notebooks/quickstart.ipynb b/notebooks/quickstart.ipynb
@@ -2236,7 +2236,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.17"
+   "version": "3.9.16"
   }
  },
  "nbformat": 4,
diff --git a/pyproject.toml b/pyproject.toml
@@ -27,7 +27,7 @@ repository = "https://github.com/databento/databento-python"
 "Bug Tracker" = "https://github.com/databento/databento-python/issues"
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 aiohttp = [
     {version = "^3.8.3", python = "<3.12"},
     {version = "^3.9.0", python = "^3.12"}
@@ -40,7 +40,7 @@ numpy = [
 pandas = ">=1.5.3"
 pip-system-certs = {version=">=4.0", markers="platform_system == 'Windows'"}
 pyarrow = ">=13.0.0"
-requests = ">=2.24.0"
+requests = ">=2.25.1"
 zstandard = ">=0.21.0"
 
 [tool.poetry.group.dev.dependencies]
@@ -63,7 +63,7 @@ build-backend = "poetry.core.masonry.api"
 line_length = 100
 
 [tool.mypy]
-python_version = 3.8
+python_version = 3.9
 disallow_untyped_defs = true
 disallow_any_generics = true
 disallow_subclassing_any = true
diff --git a/tests/conftest.py b/tests/conftest.py
@@ -2,8 +2,6 @@
 Pytest fixtures.
 """
 
-from __future__ import annotations
-
 import asyncio
 import logging
 import pathlib
diff --git a/tests/mockliveserver/__main__.py b/tests/mockliveserver/__main__.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import argparse
 import asyncio
 import logging
diff --git a/tests/mockliveserver/fixture.py b/tests/mockliveserver/fixture.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import asyncio
 import contextlib
 import os
diff --git a/tests/mockliveserver/server.py b/tests/mockliveserver/server.py
@@ -5,13 +5,13 @@
 import logging
 import random
 import string
+from collections.abc import Generator
 from collections.abc import Mapping
 from functools import singledispatchmethod
 from io import BytesIO
 from io import FileIO
 from typing import Any
 from typing import Final
-from typing import Generator
 
 from databento.common import cram
 from databento.common.publishers import Dataset
diff --git a/tests/mockliveserver/source.py b/tests/mockliveserver/source.py
@@ -1,8 +1,8 @@
+from collections.abc import Generator
+from collections.abc import Iterator
 from pathlib import Path
 from typing import IO
 from typing import Final
-from typing import Generator
-from typing import Iterator
 from typing import Protocol
 
 import zstandard
diff --git a/tests/test_common_enums.py b/tests/test_common_enums.py
@@ -2,8 +2,6 @@
 Unit tests for databento.common.enums.
 """
 
-from __future__ import annotations
-
 from enum import Enum
 from enum import Flag
 from itertools import combinations
diff --git a/tests/test_common_iterator.py b/tests/test_common_iterator.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from collections.abc import Iterable
 
 import pytest
diff --git a/tests/test_historical_bento.py b/tests/test_historical_bento.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import collections
 import datetime as dt
 import decimal
diff --git a/tests/test_historical_error.py b/tests/test_historical_error.py
@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from unittest.mock import AsyncMock
 from unittest.mock import MagicMock
 
diff --git a/tests/test_release.py b/tests/test_release.py
@@ -2,8 +2,6 @@
 Tests specific to releasing a version of databento-python.
 """
 
-from __future__ import annotations
-
 import operator
 import re
 from datetime import date

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-from __future__ import annotations`
`2`		`-`
`3`	`1`	`from typing import Final`
`4`	`2`
`5`	`3`	`import numpy as np`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-from __future__ import annotations`
`2`		`-`
`3`	`1`	`import itertools`
`4`	`2`	`from collections.abc import Iterable`
`5`	`3`	`from typing import TypeVar`
Original file line number	Diff line number	Diff line change
`@@ -2236,7 +2236,7 @@`
`2236`	`2236`	`"name": "python",`
`2237`	`2237`	`"nbconvert_exporter": "python",`
`2238`	`2238`	`"pygments_lexer": "ipython3",`
`2239`		`- "version": "3.8.17"`
	`2239`	`+ "version": "3.9.16"`
`2240`	`2240`	`}`
`2241`	`2241`	`},`
`2242`	`2242`	`"nbformat": 4,`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-from __future__ import annotations`
`2`		`-`
`3`	`1`	`import argparse`
`4`	`2`	`import asyncio`
`5`	`3`	`import logging`