Drop Python 3.9 support, upgrade deps

.github/workflows/ci.yml

@@ -99,7 +99,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.9", "pypy3.10"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.10"]
         extras: [ "" ]
         exclude:
           - os: "macos-latest"

CONTRIBUTING.md

@@ -63,7 +63,7 @@ With `nox`, you can run different sessions (default are `lint` and `test`):
 
 * `format` -> Format the code.
 * `lint` -> Run linters.
-* `test` (`test-3.9`, `test-3.10`, `test-3.11`, `test-3.12`, `test-3.13`, `test-3.14`, `test-pypy3.9`, `test-pypy3.10`) -> Run test suite.
+* `test` (`test-3.10`, `test-3.11`, `test-3.12`, `test-3.13`, `test-3.14`, `test-pypy3.10`) -> Run test suite.
 * `cover` -> Perform coverage analysis.
 * `build` -> Build the distribution.
 * `doc` -> Build the documentation.
@@ -85,7 +85,7 @@ For example:
     nox > Running session format
     ...
 
-Sessions `test` ,`unit`, and `integration` can run on many Python versions, 3.9-3.14 (+ pypy3.9 and pypy3.10) by default.
+Sessions `test` ,`unit`, and `integration` can run on many Python versions, 3.10-3.14 (+ pypy3.10) by default.
 
 Sessions other than `test` use the last CPython version from `NOX_PYTHONS`, 3.14 by default.
 

changelog.d/+drop-python3.9.removed.md

@@ -0,0 +1 @@
+Drop support for Python 3.9 and PyPy 3.9.

changelog.d/+test-deps-upgrade.infrastructure.md

@@ -0,0 +1 @@
+Upgrade test dependencies versions.

doc/source/contributing.rst

@@ -33,7 +33,7 @@ With ``nox``, you can run different sessions (default are ``lint`` and ``test``)
 
 * ``format`` -> Format the code.
 * ``lint`` -> Run linters.
-* ``test`` (``test-3.9``, ``test-3.10``, ``test-3.11``, ``test-3.12``, ``test-3.13``, ``test-3.14``, ``test-pypy3.9``, ``test-pypy3.10``) -> Run test suite.
+* ``test`` (``test-3.10``, ``test-3.11``, ``test-3.12``, ``test-3.13``, ``test-3.14``, ``test-pypy3.10``) -> Run test suite.
 * ``cover`` -> Perform coverage analysis.
 * ``build`` -> Build the distribution.
 * ``deploy`` -> Deploy the distribution to the PyPi.
@@ -56,7 +56,7 @@ For example::
     nox > Running session format
     ...
 
-Sessions ``test``, ``unit``, and ``integration`` can run on many Python versions, 3.9-3.14 (+ pypy3.9 and pypy3.10) by default.
+Sessions ``test``, ``unit``, and ``integration`` can run on many Python versions, 3.10-3.14 (+ pypy3.10) by default.
 
 Sessions other than ``test`` use the last CPython version from ``NOX_PYTHONS``, 3.14 by default.
 

noxfile.py

@@ -26,9 +26,7 @@
 
 PYTHON_VERSIONS = (
     [
-        'pypy3.9',
         'pypy3.10',
-        '3.9',
         '3.10',
         '3.11',
         '3.12',

pyproject.toml

@@ -5,7 +5,7 @@ dynamic = ["version"]
 authors = [
     {name = "Backblaze Inc", email = "support@backblaze.com"},
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README.md"
 license = {text = "MIT"}
 keywords = ["backblaze", "b2", "cloud", "storage"]
@@ -15,7 +15,6 @@ classifiers = [
     "Topic :: Software Development :: Libraries",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -25,15 +24,15 @@ classifiers = [
 dependencies = [
     "annotated_types>=0.5.0",
     "logfury<2.0.0,>=1.0.1",
-    "requests<3.0.0,>=2.9.1",
+    "requests<3.0.0,>=2.33.0",
     "typing-extensions>=4.7.1; python_version < '3.12'",
 ]
 
 [project.optional-dependencies]
 full = [
     "tqdm<5.0.0,>=4.5.0",
-    "eval_type_backport>=0.1.3,<1; python_version<'3.10'",
-    "pydantic>=2.0.1",
+    "pydantic>=2.0.1,<2.13; platform_python_implementation == 'PyPy' and python_version < '3.11'",  # newer pydantic versions do not play well with PyPy 3.10
+    "pydantic>=2.0.1; platform_python_implementation != 'PyPy' or python_version >= '3.11'",
 ]
 
 [dependency-groups]
@@ -44,28 +43,28 @@ format = [
     "ruff~=0.8.4",
 ]
 lint = [
-    "pip>=25.3",
+    "pip>=26.1",
     "ruff~=0.8.4",
-    "pytest>=8.3.3",
-    "tenacity>=9.1.2",
+    "pytest>=9.0.3,<10",
+    "tenacity>=9.1.4,<10",
     "liccheck==0.9.2",
     "setuptools",
 ]
 test = [
-    "coverage>=7.2.7",
-    "pytest>=8.3.3,<9",
-    "pytest-cov>=3.0.0",
-    "pytest-mock>=3.6.1",
-    "pytest-lazy-fixtures==1.1.1",
-    "pytest-xdist>=2.5.0",
-    "pytest-timeout>=2.1.0",
-    "pytest-watcher>=0.6.3",
-    "tenacity>=9.1.2",
+    "coverage>=7.13.5,<8",
+    "pytest>=9.0.3,<10",
+    "pytest-cov>=7.1.0,<8",
+    "pytest-mock>=3.15.1,<4",
+    "pytest-lazy-fixtures>=1.4.0,<2",
+    "pytest-xdist>=3.8.0,<4",
+    "pytest-timeout>=2.4.0,<3",
+    "pytest-watcher>=0.6.3,<1",
+    "tenacity>=9.1.4,<10",
     "tqdm<5.0.0,>=4.5.0",
-    "eval_type_backport>=0.1.3,<1; python_version<'3.10'", # used with pydantic
-    "pydantic>=2.0.1",
-    "pywin32>=306; sys_platform == \"win32\" and platform_python_implementation!='PyPy'",
-    "responses",
+    "pydantic>=2.0.1,<2.13; platform_python_implementation == 'PyPy' and python_version < '3.11'",
+    "pydantic>=2.13.3,<3; platform_python_implementation != 'PyPy' or python_version >= '3.11'",
+    "pywin32>=311,<312; sys_platform == \"win32\" and platform_python_implementation!='PyPy'",
+    "responses>=0.26.0,<1",
 ]
 release = [
     "towncrier==23.11.0",

test/unit/bucket/test_bucket.py

@@ -1558,7 +1558,7 @@ def test_copy_encryption(self):
                     SSE_C_AES_2_NO_SECRET,
                 ),
             ]:
-                with self.subTest(kwargs=kwargs, length=length, data=data):
+                with self.subTest(kwargs=repr(kwargs), length=length, data=data):
                     file_info = self.bucket.copy(**kwargs, new_file_name='new_file', length=length)
                     self.assertTrue(isinstance(file_info, VFileVersionInfo))
                     self.assertEqual(file_info.server_side_encryption, expected_encryption)

test/unit/v0/test_bucket.py

@@ -743,7 +743,7 @@ def test_copy_encryption(self):
                     SSE_C_AES_2_NO_SECRET,
                 ),
             ]:
-                with self.subTest(kwargs=kwargs, length=length, data=data):
+                with self.subTest(kwargs=repr(kwargs), length=length, data=data):
                     file_info = self.bucket.copy(**kwargs, new_file_name='new_file', length=length)
                     self.assertTrue(isinstance(file_info, FileVersionInfo))
                     self.assertEqual(file_info.server_side_encryption, expected_encryption)