Add python version with -v option

include/pyutils.h

@@ -44,5 +44,7 @@ PyObject* import_entrypoint();
 
 void log_expt(int priority);
 
+void pyfcgi_python_version(char[16]);
+
 #endif
 

src/conf.c

@@ -32,8 +32,9 @@ void usage()
 
 void print_version(int fd)
 {
-	dprintf(fd, "%s\n", PACKAGE_STRING);
-	/**@todo TODO : get python version */
+	char version[16];
+	pyfcgi_python_version(version);
+	dprintf(fd, "%s\nPython %s\n", PACKAGE_STRING, version);
 }
 
 void default_conf()

src/pyutils.c

@@ -196,3 +196,9 @@ void log_expt(int priority)
 	pyfcgi_log(priority, msg);
 }
 
+void pyfcgi_python_version(char version[16])
+{
+	snprintf(version, 16, "%d.%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION,
+		PY_MICRO_VERSION);
+}
+