Fix compatibility with Python 2.5.

kxepal · kxepal · commit aef6313b049b · 2012-09-12T08:34:45.000+04:00
Emulate next(b, None) through  for loop with single round.
There wasn't print_function, while it really doesn't needed.
diff --git a/jsonpointer.py b/jsonpointer.py
@@ -217,5 +217,6 @@ def _try_parse(val, cls=int):
 def pairwise(iterable):
     "s -> (s0,s1), (s1,s2), (s2, s3), ..."
     a, b = tee(iterable)
-    next(b, None)
+    for _ in b:
+        break
     return izip(a, b)
diff --git a/tests.py b/tests.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from __future__ import print_function
 import doctest
 import unittest
 import sys
@@ -73,7 +72,8 @@ def test_example(self):
     coverage.erase()
 
 if coverage is None:
-    print("""
-    No coverage reporting done (Python module "coverage" is missing)
-    Please install the python-coverage package to get coverage reporting.
-    """, file=sys.stderr)
+    sys.stderr.write("""
+No coverage reporting done (Python module "coverage" is missing)
+Please install the python-coverage package to get coverage reporting.
+""")
+    sys.stderr.flush()
