Add Alpine test environment to tox (joke2k#1337)

* Add testenv py39 and alpine. Remove py35

* Add TEST_ALPINE environment variable to .travis.yml

* Update README.rst

.travis.yml

@@ -23,6 +23,8 @@ jobs:
       env: TOXENV=pypy3
     - python: 3.7
       env: TOXENV=32bit TEST_32BIT=1
+    - python: 3.7
+      env: TOXENV=alpine TEST_ALPINE=1
 
 install:
   - pip install tox

MANIFEST.in

@@ -13,6 +13,7 @@ global-exclude *.py[cod] __pycache__ *.so
 exclude Makefile tox.ini .coveragerc .bumpversion.cfg .dockerignore .isort.cfg
 exclude ISSUE_TEMPLATE.md PULL_REQUEST_TEMPLATE.md
 exclude appveyor.yml readthedocs.yml
+exclude build-alpine.sh
 exclude build32bit.sh
 prune docs
 prune .circleci

build-alpine.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [[ -z "${TEST_ALPINE}" ]]; then
+    echo "Not on Travis"
+    exit 0
+fi
+
+docker run -v ${PWD}:/code -e INSTALL_REQUIREMENTS=${INSTALL_REQUIREMENTS} python:3-alpine sh -c "
+    apk update \
+    && apk add git \
+    && pip install tox coveralls \
+    && export LANG='en_US.UTF-8' \
+    && cd /code \
+    && tox -e py\
+    && coverage report"

setup.py

@@ -43,10 +43,10 @@
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Libraries :: Python Modules',
@@ -62,7 +62,7 @@
     packages=find_packages(exclude=excluded_packages),
     platforms=["any"],
     zip_safe=zip_safe,
-    python_requires=">=3.5",
+    python_requires=">=3.6",
     install_requires=[
         "python-dateutil>=2.4",
         "text-unidecode==1.3",

tox.ini

@@ -1,13 +1,13 @@
 [tox]
-envlist=py{35,36,37,38,py3},32bit,flake8,checkmanifest,isort
+envlist=py{36,37,38,39,py3},32bit,alpine,flake8,checkmanifest,isort
 skip_missing_interpreters = true
 
 [testenv]
 deps =
-    coverage
+    coverage>=5.2
     freezegun<0.4
     pytest>=6.0.1
-    random2
+    random2>=1.0.1
     ukpostcodeparser>=1.1.1
     validators>=0.13.0
     sphinx>=2.4,<3.0
@@ -43,6 +43,11 @@ basepython = python
 passenv = TEST_32BIT
 commands = ./build32bit.sh
 
+[testenv:alpine]
+basepython = python
+passenv = TEST_ALPINE
+commands = ./build-alpine.sh
+
 [flake8]
 max-line-length = 120
 
@@ -51,4 +56,4 @@ ignore =
     faker/sphinx
     faker/sphinx/*
     tests/sphinx
-    tests/sphinx/*
+    tests/sphinx/*