Drop support for Python versions older than 3.12

.github/workflows/tests.yml

@@ -74,12 +74,9 @@ jobs:
 
       matrix:
         python-version:
-        - '3.7'
-        - '3.8'
-        - '3.9'
-        - '3.10'
-        - '3.11'
         - '3.12'
+        - '3.13'
+        - '3.14'
 
     steps:
     - name: Checkout the source code
@@ -109,12 +106,9 @@ jobs:
 
       matrix:
         python-version:
-        - '3.7'
-        - '3.8'
-        - '3.9'
-        - '3.10'
-        - '3.11'
         - '3.12'
+        - '3.13'
+        - '3.14'
 
     steps:
       - name: Checkout the source code

pg_backup_api/news.yml

@@ -3,6 +3,14 @@
 # pg-backup-api News - History of user-visible changes
 
 pg-backup-api release notes:
+  - version: "2.3.0"
+    date: "20260826"
+    changes:
+      Notable changes:
+        - |
+          Drop support for Python versions older than 3.12. The earliest Python
+          version supported is now 3.12.
+
   - version: "2.2.0"
     date: "20250912"
     changes:

pg_backup_api/pg_backup_api/tests/test_main.py

@@ -17,7 +17,7 @@
 # along with Postgres Backup API.  If not, see <http://www.gnu.org/licenses/>.
 
 """Unit tests for the CLI."""
-import sys
+import re
 from textwrap import dedent
 from unittest.mock import MagicMock, patch
 
@@ -26,6 +26,18 @@
 from pg_backup_api.__main__ import main
 
 
+def _normalize_usage(text):
+    """Collapse argparse usage line continuations into a single line.
+
+    argparse changed its line-wrapping algorithm in Python 3.13, causing the
+    usage line to break at different points across versions. Normalizing both
+    the actual and expected output makes the comparison version-agnostic.
+    """
+    head, sep, rest = text.partition("\n\n")
+    head = re.sub(r"\n\s+(?=\S)", " ", head)
+    return head + (sep + rest if sep else "")
+
+
 _HELP_OUTPUT = {
     "pg-backup-api --help": dedent(
         """\
@@ -142,13 +154,10 @@ def test_main_helper(mock_term_size, command, capsys):
 
     assert str(exc.value) == "0"
 
-    expected = _HELP_OUTPUT[command]
-    version = sys.version_info
-
-    if version.major >= 3 and version.minor >= 10:
-        expected = expected.replace("optional arguments:", "options:")
+    expected = _HELP_OUTPUT[command].replace("optional arguments:", "options:")
 
-    assert capsys.readouterr().out == expected
+    actual = _normalize_usage(capsys.readouterr().out)
+    assert actual == _normalize_usage(expected)
 
 
 @pytest.mark.parametrize("command", _COMMAND_FUNC.keys())

pg_backup_api/pg_backup_api/tests/test_utility_controller.py

@@ -17,12 +17,9 @@
 # along with Postgres Backup API.  If not, see <http://www.gnu.org/licenses/>.
 
 """Unit tests for the REST API endpoints."""
-from distutils.version import StrictVersion
 import json
-import sys
 from unittest.mock import Mock, MagicMock, patch
 
-import flask
 import pytest
 
 from pg_backup_api.server_operation import (
@@ -346,18 +343,6 @@ def test_server_operation_post_not_json(self, client):
 
         expected_status_code = 415
         expected_data = b"Unsupported Media Type"
-        version = sys.version_info
-
-        # This is an issue which was detected while running tests through
-        # GitHub Actions when using Python 3.7 and Flask 2.2.5. We might want
-        # to remove this once we remove support for Python 3.7
-        if (
-            version.major <= 3
-            and version.minor <= 7
-            and StrictVersion(flask.__version__) <= StrictVersion("2.2.5")
-        ):
-            expected_status_code = 400
-            expected_data = b"Bad Request"
 
         assert response.status_code == expected_status_code
         assert expected_data in response.data
@@ -833,18 +818,6 @@ def test_instance_operation_post_not_json(self, client):
 
         expected_status_code = 415
         expected_data = b"Unsupported Media Type"
-        version = sys.version_info
-
-        # This is an issue which was detected while running tests through
-        # GitHub Actions when using Python 3.7 and Flask 2.2.5. We might want
-        # to remove this once we remove support for Python 3.7
-        if (
-            version.major <= 3
-            and version.minor <= 7
-            and StrictVersion(flask.__version__) <= StrictVersion("2.2.5")
-        ):
-            expected_status_code = 400
-            expected_data = b"Bad Request"
 
         assert response.status_code == expected_status_code
         assert expected_data in response.data

pg_backup_api/setup.py

@@ -44,7 +44,7 @@
     author_email="barman@enterprisedb.com",
     url="http://www.pgbarman.org/",
     keywords=["Postgres Backup REST API"],
-    python_requires=">=3.6",
+    python_requires=">=3.12",
     install_requires=REQUIRES,
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,

pg_backup_api/tox.ini

@@ -1,5 +1,5 @@
 [common]
-python_matrix = {37,38,39,310,311}
+python_matrix = {312,313,314}
 platforms =
     lin: linux
     mac: darwin
@@ -33,7 +33,7 @@ commands = flake8 {posargs:pg_backup_api setup.py}
 deps =
     flake8
 
-[testenv:py{37,38,39,310,311}-test-{lin,win,mac}]
+[testenv:py{312,313,314}-test-{lin,win,mac}]
 description = Run unit tests with pytest
 labels =
     test
@@ -72,7 +72,7 @@ deps =
     -r requirements.txt
     pipdeptree
 
-[testenv:py{37,38,39,310,311}-type-{lin,mac,win}]
+[testenv:py{312,313,314}-type-{lin,mac,win}]
 description = Run static type checking with pyright
 labels =
     type
@@ -85,6 +85,8 @@ platform =
 
 [flake8]
 max-line-length = 79
+per-file-ignores =
+    pg_backup_api/tests/*.py:E501
 
 [coverage:run]
 omit =