Fix stats tests. Need random2.

setup.py

@@ -71,7 +71,7 @@ def alltests():
                     suite.addTest(mod.test_suite())
     return suite
 
-tests_require = ['zope.testing', 'manuel']
+tests_require = ['zope.testing', 'manuel', 'random2']
 
 long_description = (
     open('README.txt').read()

src/ZEO/scripts/cache_simul.py

@@ -154,7 +154,7 @@ def main(args=None):
                                code & 0x80,
                                code & 0x7e)
         # And pass it to the simulation.
-        this_interval = int(ts)/interval_step
+        this_interval = int(ts) // interval_step
         if this_interval != last_interval:
             if last_interval is not None:
                 interval_sim.report()

src/ZEO/scripts/cache_stats.py

@@ -298,8 +298,7 @@ def dumpbysize(bysize, how, how2):
     print()
     print("Unique sizes %s: %s" % (how, addcommas(len(bysize))))
     print("%10s %6s %6s" % ("size", "objs", how2))
-    sizes = bysize.keys()
-    sizes.sort()
+    sizes = sorted(bysize.keys())
     for size in sizes:
         loads = 0
         for n in six.itervalues(bysize[size]):
@@ -348,15 +347,14 @@ def histogram(d):
     bins = {}
     for v in six.itervalues(d):
         bins[v] = bins.get(v, 0) + 1
-    L = bins.items()
-    L.sort()
+    L = sorted(bins.items())
     return L
 
 def U64(s):
     return struct.unpack(">Q", s)[0]
 
 def oid_repr(oid):
-    if isinstance(oid, str) and len(oid) == 8:
+    if isinstance(oid, six.binary_type) and len(oid) == 8:
         return '%16x' % U64(oid)
     else:
         return repr(oid)

src/ZEO/tests/test_cache.py

@@ -424,7 +424,7 @@ def thread_safe():
 >>> for i in range(100):
 ...     cache.store(ZODB.utils.p64(i), ZODB.utils.p64(1), None, b'0')
 
->>> import random, sys, threading
+>>> import random2 as random, sys, threading
 >>> random = random.Random(0)
 >>> stop = False
 >>> read_failure = None
@@ -512,7 +512,7 @@ Check to make sure the cache analysis scripts work.
     >>> time.time = lambda : now
 
     >>> os.environ["ZEO_CACHE_TRACE"] = 'yes'
-    >>> import random
+    >>> import random2 as random
     >>> random = random.Random(42)
     >>> history = []
     >>> serial = 1