Patch pinocchio nose plugin to report slowest N tests.

pinocchio-report-slow-tests..diff

diff -u -r /usr/local/lib/python2.7/dist-packages/pinocchio/stopwatch.py /home/vagrant/tmp/pinocchio/stopwatch.py
--- /usr/local/lib/python2.7/dist-packages/pinocchio/stopwatch.py	2014-02-19 18:55:30.000000000 +0000
+++ /home/vagrant/tmp/pinocchio/stopwatch.py	2014-02-19 18:50:40.064935116 +0000
@@ -37,6 +37,14 @@
                           default=".nose-stopwatch-times",
                           help="Store test timing results in this file.")
 
+        parser.add_option("--stopwatch-report-slowest",
+                          action="store",
+                          dest="stopwatch_report_slowest",
+                          default=0,
+                          type="int",
+                          help="Report the slowest N tests.")
+
+
     def configure(self, options, config):
         ### configure logging
         logger = logging.getLogger(__name__)
@@ -53,6 +61,7 @@
 
         self.stopwatch_file = os.path.abspath(options.stopwatch_file)
         self.faster_than = options.faster_than
+        self.stopwatch_report_slowest = options.stopwatch_report_slowest
 
         log.info('stopwatch module: using "%s" for stopwatch times' % \
                  (self.stopwatch_file,))
@@ -64,15 +73,14 @@
         Run before any of the tests run.  Loads the stopwatch file, and
         calculates which tests should NOT be run.
         """
-        try:
-            self.times = load(open(self.stopwatch_file))
-        except (IOError, EOFError):
-            self.times = {}
-
         # figure out which tests should NOT be run.
 
         faster_than = self.faster_than
         if faster_than is not None:
+            try:
+                self.times = load(open(self.stopwatch_file))
+            except (IOError, EOFError):
+                pass
             for (k, v) in list(self.times.items()):
                 if v > faster_than:
                     self.dontrun[k] = 1
@@ -94,6 +102,14 @@
         dump(self.times, fp)
         fp.close()
 
+    def report(self, stream):
+        if self.stopwatch_report_slowest:
+	     slowest = sorted(([v, k] for k, v in self.times.iteritems()),
+                              reverse=True)
+             for value, name in slowest[:self.stopwatch_report_slowest]:
+                 stream.write("%0.4f: %s\n" % (value, name))
+
+
     def wantMethod(self, method):
         """
         Do we want to run this method?  See _should_run.
@@ -138,3 +154,4 @@
         """
         runtime = time.time() - self._started
         self.times[test.test.id()] = runtime
+