Release v178 (#1063)

Since it was released over the weekend:
https://www.python.org/downloads/release/python-3510/
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-10

Closes @W-7835961@.

.travis.yml

@@ -1,5 +1,5 @@
 language: minimal
-dist: bionic
+dist: focal
 branches:
   only:
   - main

CHANGELOG.md

@@ -3,6 +3,15 @@
 ## Unreleased
 
 
+## v178 (2020-09-07)
+
+- Python 3.5.10 is now available (CPython) (#1062).
+
+## v177 (2020-08-18)
+
+- Python 3.6.12 and 3.7.9 are now available (CPython) (#1054).
+- The default Python version for new apps is now 3.6.12 (previously 3.6.11) (#1054).
+
 ## v176 (2020-08-12)
 
 - Rebuild the Python 3.4.10 archives with the correct version of Python (#1048).

Gemfile.lock

@@ -9,7 +9,7 @@ GEM
       excon
       moneta
       multi_json (>= 1.9.2)
-    heroku_hatchet (7.0.0)
+    heroku_hatchet (7.1.1)
       excon (~> 0)
       platform-api (~> 3)
       rrrretry (~> 1)

README.md

@@ -26,7 +26,7 @@ remote: Compressing source files... done.
 remote: Building source:
 remote:
 remote: -----> Python app detected
-remote: -----> Installing python-3.7.4
+remote: -----> Installing python
 remote: -----> Installing pip
 remote: -----> Installing SQLite3
 remote: -----> Installing requirements with pip
@@ -44,7 +44,7 @@ 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 3.6.9
+Current default Python Runtime: Python 3.6.12
 
 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`.
@@ -63,8 +63,8 @@ Specify a Python Runtime
 Supported runtime options include:
 
 - `python-3.8.5`
-- `python-3.7.8`
+- `python-3.7.9`
-- `python-3.6.11`
+- `python-3.6.12`
 - `python-2.7.18`
 
 ## Tests

bin/default_pythons

@@ -5,11 +5,11 @@
 # the env vars to subprocesses.
 # shellcheck disable=2034
 
-DEFAULT_PYTHON_VERSION="python-3.6.11"
+DEFAULT_PYTHON_VERSION="python-3.6.12"
 LATEST_38="python-3.8.5"
-LATEST_37="python-3.7.8"
+LATEST_37="python-3.7.9"
-LATEST_36="python-3.6.11"
+LATEST_36="python-3.6.12"
-LATEST_35="python-3.5.9"
+LATEST_35="python-3.5.10"
 LATEST_34="python-3.4.10"
 LATEST_27="python-2.7.18"
 LATEST_PYPY_36="pypy3.6-7.3.1"

bin/steps/python

@@ -52,11 +52,9 @@ if curl --output /dev/null --silent --head --fail "$VENDORED_PYTHON"; then
     fi
   fi
   if [[ "$PYTHON_VERSION" == $PY27* ]]; then
+    puts-warn "$PYTHON_2_EOL_UPDATE"
+    echo "       Learn More: https://devcenter.heroku.com/articles/python-2-7-eol-faq"
     # security update note
-    if [[ "$(date "+%Y")" -gt "2019" ]]; then
-      puts-warn "$PYTHON_2_EOL_UPDATE"
-      echo "       Learn More: https://devcenter.heroku.com/articles/python-2-7-eol-faq"
-    fi
     if [ "$PYTHON_VERSION" != "$LATEST_27" ]; then
       puts-warn "$ONLY_SUPPORTED_2_VERSION" "$LATEST_27"
       echo "       Learn More: https://devcenter.heroku.com/articles/python-runtimes"

builds/runtimes/python-3.5.10

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+
+source $(dirname $0)/python3

builds/runtimes/python-3.6.12

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+
+source $(dirname $0)/python3

builds/runtimes/python-3.7.9

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+
+source $(dirname $0)/python3

test/fixtures/python3_5/runtime.txt

@@ -1 +1 @@
-python-3.5.9
+python-3.5.10

test/run-versions

@@ -19,11 +19,7 @@ testPython2() {
     echo $LATEST_27 > "runtime.txt"
     compile "python2"
     assertCaptured $LATEST_27
-    if [[ $(date "+%Y") > "2019" ]]; then
+    assertCaptured "python-2-7-eol-faq";
-      assertCaptured "python-2-7-eol-faq";
-    else
-      assertNotCaptured "python-2-7-eol-faq";
-    fi
     assertNotCaptured "security update"
     assertCaptured "Installing pip 20.1.1, setuptools 44.1.1 and wheel 0.34.2"
     assertCaptured "Installing SQLite3"
@@ -33,11 +29,7 @@ testPython2() {
 testPython2_warn() {
     compile "python2_warn"
     assertCaptured "python-2.7.15"
-    if [[ $(date "+%Y") > "2019" ]]; then
+    assertCaptured "python-2-7-eol-faq";
-      assertCaptured "python-2-7-eol-faq";
-    else
-      assertNotCaptured "python-2-7-eol-faq";
-    fi
     assertCaptured "Only the latest version"
     assertCaptured "Installing SQLite3"
     assertCapturedSuccess