Fail if we try to install on an unsupported Python version.

twisted · Dec 18, 2017 · 2db13e9 · 2db13e9
1 parent a953836
commit 2db13e9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/setup.py b/setup.py
@@ -13,6 +13,10 @@
 
 if __name__ == "__main__":
 
+    if sys.version_info < (2, 7):
+        raise ImportError("Twisted requires Python 2.7 or later.")
+    elif sys.version_info >= (3, 0) and sys.version_info < (3, 4):
+        raise ImportError("Twisted on Python 3 requires Python 3.4 or later.")
     _setup = {}
     with open('src/twisted/python/_setup.py') as f:
         exec(f.read(), _setup)