travising python 3 fails. II

Author: ianamason

wllvm/compilers.py

@@ -73,6 +73,9 @@ def outputFileCallback(self, flag, filename):
         self.outputFilename = filename
 
 
+def getHashedPathName(path):
+    return hashlib.sha256(path).encode('utf-8').hexdigest() if path else None
+
 
 def attachBitcodePathToObject(bcPath, outFileName):
     # Don't try to attach a bitcode path to a binary.  Unfortunately
@@ -110,7 +113,7 @@ def attachBitcodePathToObject(bcPath, outFileName):
     # file to that location, using a hash of the original bitcode path as a name
     storeEnv = os.getenv('WLLVM_BC_STORE')
     if storeEnv:
-        hashName = hashlib.sha256(absBcPath).hexdigest()
+        hashName = getHashedPathName(absBcPath)
         copyfile(absBcPath, os.path.join(storeEnv, hashName))
 
     try:

wllvm/extraction.py

@@ -16,6 +16,7 @@
 from .compilers import elfSectionName
 from .compilers import darwinSegmentName
 from .compilers import darwinSectionName
+from .compilers import getHashedPathName
 
 from .filetype import FileType
 
@@ -153,7 +154,7 @@ def extract_section_linux(inputFile):
 def getStorePath(bcPath):
     storeEnv = os.getenv('WLLVM_BC_STORE')
     if storeEnv:
-        hashName = hashlib.sha256(bcPath).hexdigest()
+        hashName = getHashedPathName(bcPath)
         hashPath = os.path.join(storeEnv, hashName)
         if os.path.isfile(hashPath):
             return hashPath