[tor-commits] [stem/master] Checking that to_bytes has unicode before converting

[atagar@xxxxxxxxxxxxxx]

commit f4ee5ab36ee512f7cb904bb371f593f7e2f1f8a6
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Wed Jan 30 09:39:45 2013 -0800

    Checking that to_bytes has unicode before converting
    
    Adding a check to the to_bytes() helper so we don't attempt to convert ASCII
    bytes to ASCII bytes (which doesn't work so well).
    
    ======================================================================
    ERROR: test_old_descriptor
    ----------------------------------------------------------------------
    Traceback:
      File "/home/atagar/Desktop/stem/test/data/python3/test/integ/descriptor/server_descriptor.py", line 120, in test_old_descriptor
        desc = stem.descriptor.server_descriptor.RelayDescriptor(descriptor_contents)
      File "/home/atagar/Desktop/stem/test/data/python3/stem/descriptor/server_descriptor.py", line 642, in __init__
        self._validate_content()
      File "/home/atagar/Desktop/stem/test/data/python3/stem/descriptor/server_descriptor.py", line 687, in _validate_content
        key_der_as_hash = hashlib.sha1(stem.util.str_tools.to_bytes(key_as_bytes)).hexdigest()
      File "/home/atagar/Desktop/stem/test/data/python3/stem/util/str_tools.py", line 73, in to_bytes
        return _to_bytes(msg)
      File "/home/atagar/Desktop/stem/test/data/python3/stem/util/str_tools.py", line 54, in _to_bytes
        return codecs.latin_1_encode(msg)[0]
    TypeError: Can't convert 'bytes' object to str implicitly
---
 stem/util/str_tools.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/stem/util/str_tools.py b/stem/util/str_tools.py
index 022874e..2956419 100644
--- a/stem/util/str_tools.py
+++ b/stem/util/str_tools.py
@@ -51,7 +51,10 @@ if stem.prereq.is_python_3():
   import codecs
 
   def _to_bytes(msg):
-    return codecs.latin_1_encode(msg)[0]
+    if isinstance(msg, str):
+      return codecs.latin_1_encode(msg)[0]
+    else:
+      return msg
 else:
   def _to_bytes(msg):
     return msg



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