Drop Python 2 support: Build & testing

.travis.yml

@@ -1,7 +1,6 @@
 language: python
 matrix:
   include:
-    - python: "2.7"
     - python: "3.5"
     - python: "3.6"
     - python: "3.7"

CHANGELOG.md

@@ -6,6 +6,9 @@ The format is based on
 
 ## [Unreleased]
 
+### Removed
+- Python 2 support
+
 ## [2.17] - 2020-02-02
 
 This will be the last release with Python 2 support. This comes shortly after

Jenkinsfile

@@ -3,7 +3,6 @@ def pys = [
     [name: 'Python 3.7', docker:'python:3.7-buster', tox:'py37', main: false],
     [name: 'Python 3.6', docker:'python:3.6-buster', tox:'py36', main: false],
     [name: 'Python 3.5', docker:'python:3.5-buster', tox:'py35', main: false],
-    [name: 'Python 2.7', docker:'python:2.7-buster', tox:'py27', main: false]
 ]
 
 properties([

README.md

@@ -69,9 +69,8 @@ are old enough to view them.
 ### Dependencies
 
 Since dosage is written in [Python](http://www.python.org/), a Python
-installation is required: for Python 2.x at least 2.7.0, for Python 3.x at
+installation is required: Dosage needs at least Python 3.5. Dosage requires
-least Python 3.5. Dosage requires some Python modules from PyPI, so
+some Python modules from PyPI, so installation with `pip` is recommended.
-installation with `pip` is recommended.
 
 ### Using the Windows binary
 

requirements.txt

@@ -3,7 +3,5 @@ imagesize
 lxml
 requests>=2.0
 six
-backports.shutil_get_terminal_size; python_version<'3.3'
-backports.functools_lru_cache; python_version<'3.2'
 cached_property; python_version<'3.8'
 importlib_metadata; python_version<'3.8'

setup.cfg

@@ -18,8 +18,6 @@ classifiers =
     Development Status :: 4 - Beta
     License :: OSI Approved :: MIT License
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6
@@ -31,7 +29,7 @@ classifiers =
 setup_requires =
     setuptools >= 36.7.0
     setuptools_scm
-python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+python_requires = >=3.5
 packages = find:
 install_requires =
     colorama
@@ -39,8 +37,6 @@ install_requires =
     lxml
     requests>=2.0
     six
-    backports.shutil_get_terminal_size; python_version<'3.3'
-    backports.functools_lru_cache; python_version<'3.2'
     cached_property; python_version<'3.8'
     importlib_metadata; python_version<'3.8'
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py35, py36, py37, py38, flake8
+envlist = py35, py36, py37, py38, flake8
 
 [testenv]
 commands =
@@ -36,7 +36,7 @@ deps =
 max-line-length = 100
 ignore = E127,E128,E241,FI12,FI14,FI15,FI50,FI51,FI53,FI54,FI55,W504
 require-code = True
-min-version = 2.7
+min-version = 3.5
 
 # Duplicated for CodeClimate...
 [pep8]