Drop Python 3.4, add Python 3.8

Author: xolox

.travis.yml

@@ -1,22 +1,15 @@
 sudo: false
 language: python
 matrix:
-  include:
-  - os: linux
-    python: "2.7"
-  - os: linux
-    python: "3.4"
-  - os: linux
-    python: "3.5"
-  - os: linux
-    python: "3.6"
-  - os: linux
-    dist: xenial
-    python: "3.7"
-  - os: linux
-    python: "pypy"
   - os: osx
     language: generic
+  - python: pypy
+  - python: 2.7
+  - python: 3.5
+  - python: 3.6
+  - python: 3.7
+  - python: 3.8
+  - python: 3.9-dev
 install:
   - scripts/install-on-travis.sh
 script:

README.rst

@@ -30,9 +30,9 @@ copy/pasting these scripts around I decided to bring the main features together
 in a properly documented Python package and upload it to the `Python Package
 Index`_.
 
-The `rotate-backups` package is currently tested on cPython 2.7, 3.4, 3.5, 3.6,
-3.7 and PyPy (2.7). It's tested on Linux and Mac OS X and may work on other
-unixes but definitely won't work on Windows right now.
+The `rotate-backups` package is currently tested on cPython 2.7, 3.5+ and PyPy
+(2.7). It's tested on Linux and Mac OS X and may work on other unixes but
+definitely won't work on Windows right now.
 
 .. contents::
    :local:

setup.py

@@ -3,7 +3,7 @@
 # Setup script for the `rotate-backups' package.
 #
 # Author: Peter Odding <peter@peterodding.com>
-# Last Change: February 11, 2020
+# Last Change: February 18, 2020
 # URL: https://github.com/xolox/python-rotate-backups
 
 """
@@ -87,10 +87,10 @@ def get_absolute_path(*args):
           'Programming Language :: Python :: 2',
           'Programming Language :: Python :: 2.7',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: 3.5',
           'Programming Language :: Python :: 3.6',
           'Programming Language :: Python :: 3.7',
+          'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
           'Topic :: Software Development :: Libraries :: Python Modules',

tox.ini

@@ -4,7 +4,7 @@
 # directory.
 
 [tox]
-envlist = py27, py34, py35, py36, py37, pypy
+envlist = py27, py35, py36, py37, py38, pypy
 
 [testenv]
 deps = -rrequirements-tests.txt