Add support for Python 3.8.20, 3.9.20, 3.10.15, 3.11.10 and 3.12.6

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+- Added support for Python 3.8.20, 3.9.20, 3.10.15, 3.11.10 and 3.12.6. ([#1632](https://github.com/heroku/heroku-buildpack-python/pull/1632))
+- Changed the default Python version for new apps from 3.12.5 to 3.12.6. ([#1632](https://github.com/heroku/heroku-buildpack-python/pull/1632))
 - Updated wheel from 0.43.0 to 0.44.0. ([#1629](https://github.com/heroku/heroku-buildpack-python/pull/1629))
 
 ## [v255] - 2024-08-07

README.md

@@ -42,7 +42,7 @@ A `requirements.txt` must be present at the root of your application's repositor
 
 To specify your python version, you also need a `runtime.txt` file - unless you are using the default Python runtime version.
 
-Current default Python Runtime: Python 3.12.5
+Current default Python Runtime: Python 3.12.6
 
 Alternatively, you can provide a `setup.py` file, or a `Pipfile`.
 Using `pipenv` will generate `runtime.txt` at build time if one of the field `python_version` or `python_full_version` is specified in the `requires` section of your `Pipfile`.
@@ -60,8 +60,8 @@ Specify a Python Runtime
 
 Supported runtime options include:
 
-- `python-3.12.5` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
-- `python-3.11.9` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
-- `python-3.10.14` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
-- `python-3.9.19` on Heroku-20 and Heroku-22 only
-- `python-3.8.19` on Heroku-20 only
+- `python-3.12.6` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
+- `python-3.11.10` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
+- `python-3.10.15` on all [supported stacks](https://devcenter.heroku.com/articles/stack#stack-support-details)
+- `python-3.9.20` on Heroku-20 and Heroku-22 only
+- `python-3.8.20` on Heroku-20 only

bin/default_pythons

@@ -5,11 +5,11 @@
 # the env vars to subprocesses.
 # shellcheck disable=2034
 
-LATEST_312="python-3.12.5"
-LATEST_311="python-3.11.9"
-LATEST_310="python-3.10.14"
-LATEST_39="python-3.9.19"
-LATEST_38="python-3.8.19"
+LATEST_312="python-3.12.6"
+LATEST_311="python-3.11.10"
+LATEST_310="python-3.10.15"
+LATEST_39="python-3.9.20"
+LATEST_38="python-3.8.20"
 # TODO: Remove these EOL versions once pipenv-python-version is refactored.
 LATEST_37="python-3.7.17"
 LATEST_36="python-3.6.15"

spec/fixtures/pipenv_and_runtime_txt/runtime.txt

@@ -1 +1 @@
-python-3.12.5
+python-3.12.6

spec/fixtures/python_3.10/runtime.txt

@@ -1 +1 @@
-python-3.10.14
+python-3.10.15

spec/fixtures/python_3.11/runtime.txt

@@ -1 +1 @@
-python-3.11.9
+python-3.11.10

spec/fixtures/python_3.12/runtime.txt

@@ -1 +1 @@
-python-3.12.5
+python-3.12.6

spec/fixtures/python_3.8/runtime.txt

@@ -1 +1 @@
-python-3.8.19
+python-3.8.20

spec/fixtures/python_3.9/runtime.txt

@@ -1 +1 @@
-python-3.9.19
+python-3.9.20

spec/fixtures/runtime_txt_only/runtime.txt

@@ -1 +1 @@
-python-3.12.5
+python-3.12.6

spec/fixtures/runtime_txt_with_stray_whitespace/runtime.txt

@@ -1,3 +1,3 @@
 
- python-3.12.5 
+ python-3.12.6 
 

spec/hatchet/python_version_spec.rb

@@ -132,12 +132,12 @@
     end
   end
 
-  context 'when runtime.txt contains python-3.8.19' do
+  context 'when runtime.txt contains python-3.8.20' do
     let(:allow_failure) { false }
     let(:app) { Hatchet::Runner.new('spec/fixtures/python_3.8', allow_failure:) }
 
     context 'when using Heroku-20', stacks: %w[heroku-20] do
-      it 'builds with Python 3.8.19 but shows a deprecation warning' do
+      it 'builds with Python 3.8.20 but shows a deprecation warning' do
         app.deploy do |app|
           expect(clean_output(app.output)).to include(<<~OUTPUT)
             remote: -----> Python app detected
@@ -171,7 +171,7 @@
     end
   end
 
-  context 'when runtime.txt contains python-3.9.19' do
+  context 'when runtime.txt contains python-3.9.20' do
     let(:allow_failure) { false }
     let(:app) { Hatchet::Runner.new('spec/fixtures/python_3.9', allow_failure:) }
 
@@ -187,19 +187,19 @@
     end
   end
 
-  context 'when runtime.txt contains python-3.10.14' do
+  context 'when runtime.txt contains python-3.10.15' do
     let(:app) { Hatchet::Runner.new('spec/fixtures/python_3.10') }
 
     include_examples 'builds with the requested Python version', LATEST_PYTHON_3_10
   end
 
-  context 'when runtime.txt contains python-3.11.9' do
+  context 'when runtime.txt contains python-3.11.10' do
     let(:app) { Hatchet::Runner.new('spec/fixtures/python_3.11') }
 
     include_examples 'builds with the requested Python version', LATEST_PYTHON_3_11
   end
 
-  context 'when runtime.txt contains python-3.12.5' do
+  context 'when runtime.txt contains python-3.12.6' do
     let(:app) { Hatchet::Runner.new('spec/fixtures/python_3.12') }
 
     include_examples 'builds with the requested Python version', LATEST_PYTHON_3_12

spec/spec_helper.rb

@@ -7,11 +7,11 @@
 require 'rspec/retry'
 require 'hatchet'
 
-LATEST_PYTHON_3_8 = '3.8.19'
-LATEST_PYTHON_3_9 = '3.9.19'
-LATEST_PYTHON_3_10 = '3.10.14'
-LATEST_PYTHON_3_11 = '3.11.9'
-LATEST_PYTHON_3_12 = '3.12.5'
+LATEST_PYTHON_3_8 = '3.8.20'
+LATEST_PYTHON_3_9 = '3.9.20'
+LATEST_PYTHON_3_10 = '3.10.15'
+LATEST_PYTHON_3_11 = '3.11.10'
+LATEST_PYTHON_3_12 = '3.12.6'
 DEFAULT_PYTHON_VERSION = LATEST_PYTHON_3_12
 
 # The requirement versions are effectively buildpack constants, however, we want