Move Python 2 check into setup.py.

QuLogic · QuLogic · commit 485f08bab326 · 2018-02-14T20:58:38.000-05:00
This reduces the number of files we need to keep Python 2 compatible.
diff --git a/setup.py b/setup.py
@@ -14,6 +14,17 @@
 
 import sys
 
+if sys.version_info < (3, 5):
+    error = """
+Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
+Beginning with Matplotlib 3.0, Python 3.5 and above is required.
+
+This may be due to an out of date pip.
+
+Make sure you have pip >= 9.0.1.
+"""
+    sys.exit(error)
+
 # distutils is breaking our sdists for files in symlinked dirs.
 # distutils will copy if os.link is not available, so this is a hack
 # to force copying
diff --git a/setupext.py b/setupext.py
@@ -1,6 +1,3 @@
-# NOTE: This file must remain Python 2 compatible for the forseeable future,
-# to ensure that we error out properly for people with outdated setuptools
-# and/or pip.
 from __future__ import print_function, absolute_import
 
 from importlib import import_module
