Remove support for Python 3.7 and 3.8

.circleci/config.yml

@@ -81,7 +81,7 @@ commands:
             -v `pwd`:/app \
             -w /app \
             --env-file vars.env \
-            python:3.7 \
+            python:3.9 \
             ./build_tools/circle/deploy.sh
 
 jobs:
@@ -94,7 +94,7 @@ jobs:
   # larger unit tests, and to avoid multiple setup steps that can slow the pipeline down
   test-sanity:
     docker:
-      - image: python:3.7
+      - image: python:3.9
     working_directory: ~/pmdarima
     steps:
     - checkout
@@ -130,26 +130,6 @@ jobs:
           python -c 'import pmdarima as pm; print(pm.__version__)'
 
   # --- Unit tests ---
-  # These are all executed on `machine` executors, since they require DinD to build the whl
-  # files and perform the whl repair for manylinux support.
-  test-unit-cpython37:
-    machine:
-      image: ubuntu-2004:202111-02
-    working_directory: ~/pmdarima
-    steps:
-      - checkout
-      - build-test-and-persist:
-          pythonversion: "3.7"
-
-  test-unit-cpython38:
-    machine:
-      image: ubuntu-2004:202111-02
-    working_directory: ~/pmdarima
-    steps:
-      - checkout
-      - build-test-and-persist:
-          pythonversion: "3.8"
-
   test-unit-cpython39:
     machine:
       image: ubuntu-2004:202111-02
@@ -219,16 +199,6 @@ jobs:
   #
   # ############################################
 
-  deploy-cpython37-whl:
-    machine:
-      image: ubuntu-2004:202111-02
-    working_directory: ~/pmdarima
-    steps:
-      - checkout
-      - restore-whl-file:
-          key: "3.7"
-      - deploy-to-pypi
-
   deploy-cpython38-whl:
     machine:
       image: ubuntu-2004:202111-02
@@ -287,7 +257,7 @@ jobs:
   # GH_TOKEN (the personal Git token with pushes enabled)
   deploy-doc:
     docker:
-      - image: python:3.7
+      - image: python:3.9
     working_directory: ~/pmdarima
     steps:
       - checkout
@@ -306,10 +276,6 @@ workflows:
         # run on test and tag
         - test-sanity:
             filters: *test-filters
-        - test-unit-cpython37:
-            filters: *test-filters
-        - test-unit-cpython38:
-            filters: *test-filters
         - test-unit-cpython39:
             filters: *test-filters
         - test-unit-cpython310:
@@ -323,8 +289,6 @@ workflows:
         - testing-passed:
             requires:
                 - test-sanity
-                - test-unit-cpython37
-                - test-unit-cpython38
                 - test-unit-cpython39
                 - test-unit-cpython310
                 - test-unit-cpython311
@@ -339,16 +303,6 @@ workflows:
                 - testing-passed
             filters: *test-filters
 
-        - deploy-cpython37-whl:
-            filters: *deploy-filters
-            requires:
-                - deploy-doc
-
-        - deploy-cpython38-whl:
-            filters: *deploy-filters
-            requires:
-              - deploy-doc
-
         - deploy-cpython39-whl:
             filters: *deploy-filters
             requires:

.github/workflows/build_and_deploy.yml

@@ -20,7 +20,7 @@ jobs:
   build-and-deploy:
     strategy:
       matrix:
-        python3-minor-version: [7, 8, 9, 10, 11, 12]
+        python3-minor-version: [9, 10, 11]
         # TODO: Figure out macos-14/macos-latest
         os: [macos-13, ubuntu-latest, windows-latest]
     defaults:

README.md

@@ -4,7 +4,7 @@
 [![CircleCI](https://circleci.com/gh/alkaline-ml/pmdarima.svg?style=svg)](https://circleci.com/gh/alkaline-ml/pmdarima)
 [![Github Actions Status](https://github.com/alkaline-ml/pmdarima/workflows/Mac%20and%20Windows%20Builds/badge.svg?branch=master)](https://github.com/alkaline-ml/pmdarima/actions?query=workflow%3A%22Mac+and+Windows+Builds%22+branch%3Amaster)
 [![codecov](https://codecov.io/gh/alkaline-ml/pmdarima/branch/master/graph/badge.svg)](https://codecov.io/gh/alkaline-ml/pmdarima)
-![Supported versions](https://img.shields.io/badge/python-3.7+-blue.svg)
+![Supported versions](https://img.shields.io/badge/python-3.9+-blue.svg)
 ![Downloads](https://img.shields.io/badge/dynamic/json?color=blue&label=downloads&query=%24.total&url=https%3A%2F%2Fstore.zapier.com%2Fapi%2Frecords%3Fsecret%3D1e061b29db6c4f15af01103d403b0237)
 ![Downloads/Week](https://img.shields.io/badge/dynamic/json?color=blue&label=downloads%2Fweek&query=%24.weekly&url=https%3A%2F%2Fstore.zapier.com%2Fapi%2Frecords%3Fsecret%3D1e061b29db6c4f15af01103d403b0237)
 
@@ -118,7 +118,7 @@ with open('model.pkl', 'rb') as pkl:
 
 ### Availability
 
-`pmdarima` is available on PyPi in pre-built Wheel files for Python 3.7+ for the following platforms:
+`pmdarima` is available on PyPi in pre-built Wheel files for Python 3.9+ for the following platforms:
 
 * Mac (64-bit)
 * Linux (64-bit manylinux)

build_tools/circle/build_wheel.sh

@@ -9,9 +9,7 @@ function build_wheel {
 
     # https://www.python.org/dev/peps/pep-0513/#ucs-2-vs-ucs-4-builds
     ucs_tag=""
-    if [ "$pyver" = "3.7" ]; then
-        ucs_tag="m"
-    elif [ "$ucs_setting" = "ucs4" ]; then
+    if [ "$ucs_setting" = "ucs4" ]; then
         ucs_tag="${ucs_tag}u"
     fi
 

doc/whats_new.rst

@@ -11,6 +11,8 @@ v0.8.1) will document the latest features.
 -------------------------------------------------
 
 * Pin numpy to ``<2.0.0`` while work is done to support numpy ``>=2.0.0``
+* Remove support for Python 3.7 (end-of-life 2023-06-23)
+* Remove support for Python 3.8 (end-of-life 2024-10-07)
 
 `v2.0.3 <https://alkaline-ml.com/pmdarima/2.0.3>`_
 -------------------------------------------------

setup.py

@@ -20,8 +20,8 @@
 import builtins
 
 # Minimum allowed version
-MIN_PYTHON = (3, 7)
 IS_PYTHON_312 = sys.version_info[0] == 3 and sys.version_info[1] >= 12
+MIN_PYTHON = (3, 9)
 
 # Hacky (!!), adopted from sklearn. This sets a global variable
 # so pmdarima __init__ can detect if it's being loaded in the setup
@@ -239,7 +239,6 @@ def do_setup():
                         'Operating System :: Unix',
                         'Operating System :: MacOS',
                         'Programming Language :: Python :: 3',
-                        'Programming Language :: Python :: 3.7',
                         'Programming Language :: Python :: 3.8',
                         'Programming Language :: Python :: 3.9',
                         'Programming Language :: Python :: 3.10',