changes to get benchmarks running under PY3

.gitignore

@@ -12,6 +12,7 @@ bcolz.egg-info/
 *.h5
 *.bcolz
 myarray
+large_carray-bench
 
 # airspeed velocity
 bench_asv/env

bench/column-iter.py

@@ -1,7 +1,16 @@
 from __future__ import print_function
+import sys
 import contextlib, time
 import bcolz, numpy
 
+
+PY2 = sys.version_info[0] == 2
+if not PY2:
+    xrange = range
+    def range(*args):
+        return list(xrange(*args))
+
+
 @contextlib.contextmanager
 def ctime(label=""):
     "Counts the time spent in some context"

bench/pandas-fromdataframe-strings.py

@@ -1,11 +1,19 @@
 # Benchmark for evaluate best ways to convert from a pandas dataframe
 # (version with a mix of columns of ints and strings)
 
+import sys
 import bcolz
 import pandas as pd
-import numpy as np
 from time import time
 
+
+PY2 = sys.version_info[0] == 2
+if not PY2:
+    xrange = range
+    def range(*args):
+        return list(xrange(*args))
+
+
 NR = int(1e6)
 NC = 100
 

bench/pytables-fromhdf5.py

@@ -1,10 +1,19 @@
 # Benchmark for evaluate best ways to read from a PyTables Table
 
+import sys
 import bcolz
 import tables as tb
 import numpy as np
 from time import time
 
+
+PY2 = sys.version_info[0] == 2
+if not PY2:
+    xrange = range
+    def range(*args):
+        return list(xrange(*args))
+
+
 filepath = 'fromhdf5.h5'
 nodepath = '/ctable'
 NR = int(1e6)