I guess it doesn't hurt...

sickbeard/helpers.py

@@ -414,11 +414,26 @@ def chmodAsParent(childPath):
     parentPath = ek.ek(os.path.dirname, childPath)
     parentMode = stat.S_IMODE(os.stat(parentPath)[stat.ST_MODE])
 
+    if ek.ek(os.path.isfile, childPath):
+        childMode = readwriteBits(parentMode)
+    else:
+        childMode = parentMode
+
     try:
-        os.chmod(childPath, parentMode)
-        logger.log(u"Setting permissions for %s to %o as parent directory has %o" % (childPath, parentMode, parentMode), logger.DEBUG)
+        os.chmod(childPath, childMode)
+        logger.log(u"Setting permissions for %s to %o as parent directory has %o" % (childPath, childMode, parentMode), logger.DEBUG)
     except OSError:
-        logger.log(u"Failed to set permission for %s to %o" % (childPath, parentMode), logger.ERROR)
+        logger.log(u"Failed to set permission for %s to %o" % (childPath, childMode), logger.ERROR)
+
+def readwriteBits(currentMode):
+    newMode = 0
+
+    for bit in [stat.S_IRUSR, stat.S_IWUSR, stat.S_IRGRP, stat.S_IWGRP, stat.S_IROTH, stat.S_IWOTH]:
+        if currentMode & bit:
+            newMode += bit
+
+    return newMode
+
 
 if __name__ == '__main__':
     import doctest