Iteratively increase sample size for good/bad classification.

scripts/slave/recipe_modules/auto_bisect/resources/significantly_different.py

Index: scripts/slave/recipe_modules/auto_bisect/resources/significantly_different.py
diff --git a/scripts/slave/recipe_modules/auto_bisect/resources/significantly_different.py b/scripts/slave/recipe_modules/auto_bisect/resources/significantly_different.py
new file mode 100644
index 0000000000000000000000000000000000000000..af6c2d1a8176b043e433043cda3787c177286b65
--- /dev/null
+++ b/scripts/slave/recipe_modules/auto_bisect/resources/significantly_different.py
@@ -0,0 +1,37 @@
+"""Launches an anaconda environment to run some scipy hypothesis tests."""
+
+import json
+import os
+import subprocess
+import sys
+
+class ScipyNotInstalledError(Exception):
+  pass
+
+def main(argv, anaconda_path=None):
+  if not anaconda_path:
+    if os.name == 'nt':
+      anaconda_path = r'c:\conda-py-scientific\python.exe'
+    else:
+      anaconda_path = '/opt/conda-py-scientific/bin/python'
+  if not os.path.exists(anaconda_path):
+    raise ScipyNotInstalledError()
+
+  _, list_a, list_b, significance  = argv
+
+  inner_script_location = os.path.join(os.path.dirname(os.path.realpath(
+      __file__)), 'significantly_different_inner.py')
+
+  conda_environ = dict(os.environ)
+  del conda_environ["PYTHONPATH"]
+
+  return json.loads(subprocess.check_output(
+      [anaconda_path, inner_script_location,list_a, list_b, significance],
+      env=conda_environ))
+
+if __name__ == '__main__':
+  result = main(sys.argv)
+  if result:
+    print json.dumps(result, indent=4)
+    sys.exit(0)
+  sys.exit(1)