Use Python3 everywhere (#38)

pydtn/pydtn/util/hexdump.py

@@ -16,15 +16,9 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 """
-Hexdump implementation in Python 2.7 and 3.
+Hexdump implementation in Python 3.
 """
 
-from __future__ import unicode_literals
-
-import sys
-
-__python3__ = sys.version_info > (3,)
-
 
 def ordp(c):
     """
@@ -32,19 +26,11 @@ def ordp(c):
     """
     output = []
 
-    if __python3__:
-        for i in c:
-            if (i < 32) or (i >= 127):
-                output.append(".")
-            else:
-                output.append(chr(i))
-    else:
-        for i in c:
-            j = ord(i)
-            if (j < 32) or (j >= 127):
-                output.append(".")
-            else:
-                output.append(i)
+    for i in c:
+        if (i < 32) or (i >= 127):
+            output.append(".")
+        else:
+            output.append(chr(i))
 
     return "".join(output)
 
@@ -66,10 +52,7 @@ def hexdump(p):
         output.append("{:04d}   ".format(i))
         for j in range(16):
             if (i + j) < length:
-                if __python3__:
-                    byte = p[i + j]
-                else:
-                    byte = ord(p[i + j])
+                byte = p[i + j]
                 output.append("{:02X} ".format(byte))
             else:
                 output.append("   ")