Merge pull request sympy#17966 from hugovk/1.5-add-python_requires

oscarbenjamin · web-flow · commit 4ee1a61f9e85 · 2019-11-27T00:14:38.000Z
1.5: Add python_requires to help pip
diff --git a/setup.py b/setup.py
@@ -73,8 +73,8 @@
 
 # Make sure I have the right Python version.
 if ((sys.version_info[0] == 2 and sys.version_info[1] < 7) or
-    (sys.version_info[0] == 3 and sys.version_info[1] < 4)):
-    print("SymPy requires Python 2.7 or 3.4 or newer. Python %d.%d detected"
+    (sys.version_info[0] == 3 and sys.version_info[1] < 5)):
+    print("SymPy requires Python 2.7 or 3.5 or newer. Python %d.%d detected"
           % sys.version_info[:2])
     sys.exit(-1)
 
@@ -450,6 +450,7 @@ def run(self):
                     'antlr': antlr,
                     'sdist': sdist_sympy,
                     },
+          python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
           classifiers=[
             'License :: OSI Approved :: BSD License',
             'Operating System :: OS Independent',
diff --git a/sympy/__init__.py b/sympy/__init__.py
@@ -36,8 +36,8 @@ def enable_warnings():
 
 import sys
 if ((sys.version_info[0] == 2 and sys.version_info[1] < 7) or
-    (sys.version_info[0] == 3 and sys.version_info[1] < 4)):
-    raise ImportError("Python version 2.7 or 3.4 or above "
+    (sys.version_info[0] == 3 and sys.version_info[1] < 5)):
+    raise ImportError("Python version 2.7 or 3.5 or above "
                       "is required for SymPy.")
 
 del sys
