+_default_loglevel = 'WARN'
+
+def _d_loglevel(s):
+ '''Converts a string into a sr.LogLevel.'''
+ d = {
+ 'NONE': sr.LogLevel.NONE,
+ 'ERR': sr.LogLevel.ERR,
+ 'WARN': sr.LogLevel.WARN,
+ 'INFO': sr.LogLevel.INFO,
+ 'DBG': sr.LogLevel.DBG,
+ 'SPEW': sr.LogLevel.SPEW
+ }
+
+ if not (s in d):
+ s = _default_loglevel
+
+ return d[s]
+
+def _s_loglevel(l):
+ '''Converts a sr.LogLevel into a string.'''
+ return l.name
+