From e07a477262fe3e4d326ba671296489d32f575600 Mon Sep 17 00:00:00 2001
From: Mario Staykov <mario.staykov@gmail.com>
Date: Fri, 14 Dec 2018 13:55:27 +0000
Subject: [PATCH] Surround sys.argv call with a try-except block

---
 pymysql/connections.py | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/pymysql/connections.py b/pymysql/connections.py
index c01d9993..f225ffca 100644
--- a/pymysql/connections.py
+++ b/pymysql/connections.py
@@ -315,12 +315,16 @@ def _config(key, arg):
             '_pid': str(os.getpid()),
             '_client_version': VERSION_STRING,
         }
-        if program_name is None:
-            argv = getattr(sys, "argv")
-            if argv:
-                program_name = argv[0]
-                if PY2:
-                    program_name = program_name.decode('utf-8', 'replace')
+        # Safely handle not having sys.argv available
+        try:
+            if program_name is None:
+                argv = getattr(sys, "argv")
+                if argv:
+                    program_name = argv[0]
+                    if PY2:
+                        program_name = program_name.decode('utf-8', 'replace')
+        except(AttributeError):
+            pass
 
         if program_name:
             self._connect_attrs["program_name"] = program_name