build: Drop Python 3.9 support

Author: skupriienko

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -33,7 +33,6 @@ body:
       label: Python Version
       description: What Python version are you using?
       options:
-        - '3.9'
         - '3.10'
         - '3.11'
         - '3.12'

.github/workflows/commit_checks.yaml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     env:
       MJ_APIKEY_PUBLIC: ${{ secrets.MJ_APIKEY_PUBLIC }}
       MJ_APIKEY_PRIVATE: ${{ secrets.MJ_APIKEY_PRIVATE }}

.pre-commit-config.yaml

@@ -111,7 +111,7 @@ repos:
     rev: v3.20.0
     hooks:
       - id: pyupgrade
-        args: [--py39-plus, --keep-runtime-typing]
+        args: [--py310-plus, --keep-runtime-typing]
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
     # Ruff version.

README.md

@@ -58,7 +58,7 @@ Check out all the resources and Python code examples in the official [Mailjet Do
 
 This library `mailjet_rest` officially supports the following Python versions:
 
-- Python >=3.9,\<3.14
+- Python >=3.10,\<3.14
 
 It's tested up to 3.13 (including).
 

conda.recipe/meta.yaml

@@ -16,7 +16,7 @@ source:
 
 build:
   number: 0
-  skip: True  # [py<39]
+  skip: True  # [py<310]
   script: {{ PYTHON }} -m pip install . --no-deps --no-build-isolation -vv
   script_env:
     - SETUPTOOLS_SCM_PRETEND_VERSION={{ version }}

environment-dev.yaml

@@ -3,7 +3,7 @@ name: mailjet-dev
 channels:
   - defaults
 dependencies:
-  - python >=3.9
+  - python >=3.10
   # build & host deps
   - pip
   - setuptools-scm
@@ -52,8 +52,7 @@ dependencies:
       - pyment >=0.3.3
       - pytype
       - pyupgrade
-      # refurb doesn't support py39
-      #- refurb
+      - refurb
       - scalene >=1.3.16
       - snakeviz
       - typos

environment.yaml

@@ -3,7 +3,7 @@ name: mailjet
 channels:
   - defaults
 dependencies:
-  - python >=3.9
+  - python >=3.10
   # build & host deps
   - pip
   # runtime deps

pyproject.toml

@@ -35,7 +35,7 @@ license = {text = "MIT"}
 # TODO: Enable license-files when setuptools >=77.0.0 will be available
 #license-files = ["LICENSE"]
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 
 dependencies = ["requests>=2.32.3"]
 
@@ -54,7 +54,6 @@ classifiers = [
         "Natural Language :: English",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -136,7 +135,7 @@ other = ["toml"]
 
 [tool.black]
 line-length = 88
-target-version = ["py39", "py310", "py311", "py312", "py313"]
+target-version = ["py310", "py311", "py312", "py313"]
 skip-string-normalization = false
 skip-magic-trailing-comma = false
 extend-exclude = '''
@@ -190,8 +189,8 @@ extend-exclude = ["tests", "test"]
 line-length = 88
 #indent-width = 4
 
-# Assume Python 3.9.
-target-version = "py39"
+# Assume Python 3.10.
+target-version = "py310"
 # Enumerate all fixed violations.
 show-fixes = true
 
@@ -334,7 +333,7 @@ ignore_patterns = [
 strict = true
 # Adapted from this StackOverflow post:
 # https://stackoverflow.com/questions/55944201/python-type-hinting-how-do-i-enforce-that-project-wide
-python_version = "3.9"
+python_version = "3.10"
 mypy_path = "type_stubs"
 namespace_packages = true
 # This flag enhances the user feedback for error messages