Restore legacy Python compatibility

Author: jacebrowning

CHANGELOG.md

@@ -1,8 +1,12 @@
+# 2.0.1 (2019-10-13)
+
+- Restore compatibility layer to unofficially support legacy Python.
+
 # 2.0 (2019-10-13)
 
 - Deprecated `versions` in favor of `version` option.
 - Deprecated `|` in favor of `||` for checking multiple versions.
-- Dropped support for Python 2, Python 3.4, and Python 3.5
+- Stopped testing against Python 2, Python 3.4, and Python 3.5.
 
 # 1.6.3 (2019-10-12)
 

pyproject.toml

@@ -1,7 +1,7 @@
 [tool.poetry]
 
 name = "verchew"
-version = "2.0"  # also update verchew/script.py
+version = "2.0.1"  # also update verchew/script.py
 description = "System dependency version checker."
 
 license = "MIT"
@@ -25,8 +25,13 @@ classifiers = [
     "Intended Audience :: Developers",
     "Natural Language :: English",
     "Operating System :: OS Independent",
+    "Programming Language :: Python :: 2.7",
+    "Programming Language :: Python :: 3.3",
+    "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",
     "Topic :: Software Development",
     "Topic :: Software Development :: Build Tools",
     "Topic :: Software Development :: Testing",

verchew/script.py

@@ -30,7 +30,6 @@
 from __future__ import unicode_literals
 
 import argparse
-import configparser
 import logging
 import os
 import re
@@ -41,8 +40,14 @@
 from typing import Any, Dict
 
 
-__version__ = '2.0'
+PY2 = sys.version_info[0] == 2
 
+if PY2:
+    import ConfigParser as configparser
+else:
+    import configparser  # type: ignore
+
+__version__ = '2.0.1'
 
 CONFIG_FILENAMES = ['verchew.ini', '.verchew.ini', '.verchewrc', '.verchew']
 
@@ -298,6 +303,8 @@ def show(text, start='', end='\n', head=False):
         log.info(text)
     else:
         formatted = start + text + end
+        if PY2:
+            formatted = formatted.encode('utf-8')
         sys.stdout.write(formatted)
         sys.stdout.flush()