From 48e13bfc65fb1f98c1db598af4d7d2a365d5907e Mon Sep 17 00:00:00 2001
From: Roberto De Ioris <roberto@unbit.it>
Date: Sat, 15 Mar 2014 08:48:07 +0100
Subject: [PATCH] add a check for already initialized python vm

---
 plugins/python/python_plugin.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/plugins/python/python_plugin.c b/plugins/python/python_plugin.c
index daae72f7..1f8e4edc 100644
--- a/plugins/python/python_plugin.c
+++ b/plugins/python/python_plugin.c
@@ -197,6 +197,12 @@ int uwsgi_python_init() {
         	uwsgi_log_initial("Python version: %.*s %s\n", pyversion-Py_GetVersion(), Py_GetVersion(), Py_GetCompiler()+1);
 	}
 
+	if (Py_IsInitialized()) {
+		uwsgi_log("--- Python VM already initialized ---\n");
+		PyGILState_Ensure();
+		goto ready;
+	}
+
 	if (up.home != NULL) {
 #ifdef PYTHREE
 		// check for PEP 405 virtualenv (starting from python 3.3)
@@ -251,6 +257,8 @@ pep405:
 
 	Py_Initialize();
 
+ready:
+
 	if (!uwsgi.has_threads) {
 		uwsgi_log_initial("*** Python threads support is disabled. You can enable it with --enable-threads ***\n");
 	}