split platform

lib/python3.5/site-packages/pyasn1/compat/octets.py

@@ -0,0 +1,22 @@
+from sys import version_info
+
+if version_info[0] <= 2:
+    int2oct = chr
+    ints2octs = lambda s: ''.join([ int2oct(x) for x in s ])
+    null = ''
+    oct2int = ord
+    octs2ints = lambda s: [ oct2int(x) for x in s ]
+    str2octs = lambda x: x
+    octs2str = lambda x: x
+    isOctetsType = lambda s: isinstance(s, str)
+    isStringType = lambda s: isinstance(s, (str, unicode))
+else:
+    ints2octs = bytes
+    int2oct = lambda x: ints2octs((x,))
+    null = ints2octs()
+    oct2int = lambda x: x
+    octs2ints = lambda s: [ x for x in s ]
+    str2octs = lambda x: x.encode()
+    octs2str = lambda x: x.decode()
+    isOctetsType = lambda s: isinstance(s, bytes)
+    isStringType = lambda s: isinstance(s, str)