[tor-commits] [stem/master] Ignore empty strings in exit policy constructor

[atagar at torproject.org]

commit 0fc6178bf07f058bd788ffdacabe1c7897e1b01f
Author: Damian Johnson <atagar at torproject.org>
Date:   Mon Mar 28 14:38:14 2016 -0700

    Ignore empty strings in exit policy constructor
    
    Making the constructor behave a bit more intuitively to avoid the confusion
    in...
    
      https://trac.torproject.org/projects/tor/ticket/18666
---
 stem/exit_policy.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stem/exit_policy.py b/stem/exit_policy.py
index 003107e..3d4e66a 100644
--- a/stem/exit_policy.py
+++ b/stem/exit_policy.py
@@ -449,6 +449,9 @@ class ExitPolicy(object):
         decompressed_rules = self._input_rules
 
       for rule in decompressed_rules:
+        if not rule.strip():
+          continue
+
         if isinstance(rule, bytes):
           rule = stem.util.str_tools._to_unicode(rule)