add version check for Python 3.4-

1 files changed, 6 insertions, 0 deletions

diff --git a/mitmproxy/tools/main.py b/mitmproxy/tools/main.py
index 9fce9234..3bb0cd1e 100644
--- a/mitmproxy/tools/main.py
+++ b/mitmproxy/tools/main.py
@@ -1,7 +1,13 @@
+from __future__ import print_function  # this is here for the version check to work on Python 2.
 import os
 import signal
 import sys
 
+if sys.version_info < (3, 5):
+    print("#" * 49, file=sys.stderr)
+    print("# mitmproxy only supports Python 3.5 and above! #", file=sys.stderr)
+    print("#" * 49, file=sys.stderr)
+
 from mitmproxy.tools import cmdline
 from mitmproxy import exceptions
 from mitmproxy.proxy import config