Daily update script for performance numbers

tools/testing/perf_testing/get_current_stats.py

Index: tools/testing/perf_testing/get_current_stats.py
===================================================================
--- tools/testing/perf_testing/get_current_stats.py	(revision 0)
+++ tools/testing/perf_testing/get_current_stats.py	(revision 0)
@@ -0,0 +1,94 @@
+#!/usr/bin/python
+
+# Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+from create_graph import BROWSER_CORRECTNESS
+from create_graph import BrowserCorrectnessTest
+from create_graph import BROWSER_PERF
+from create_graph import BrowserPerformanceTest
+from create_graph import CL_PERF
+from create_graph import CommandLinePerformanceTest
+from create_graph import CompileTimeAndSizeTest
+from create_graph import TIME_SIZE
+
+import os
+from os.path import dirname, abspath
+import pickle
+import re
+import sys
+
+"""Find the most recent performance files, and store the stats."""
+
+# TODO(efortuna): turn these into proper appengine tasks, using the app engine 
+# datastore instead of files.
+
+DIRECTORIES = [BROWSER_CORRECTNESS, BROWSER_PERF, CL_PERF, TIME_SIZE]
+PICKLE_FILENAME = 'start_stats.txt'
+
+def find_latest_data_files(directory):
+  """Given a directory, find the files with the latest timestamp, indicating the
+  latest results.
+
+  Args:
+    directory: name of the directory we should look inside.
+
+  Returns:
+    A list of the most recent files in the particular directory."""
+  path = dirname(abspath(__file__))
+  files = os.listdir(os.path.join(path, directory))
+  files.sort()
+  f = files.pop()
+  match = re.search('[1-9]', f)
+  trace_name = f[:match.start()]
+  timestamp_and_data = f[match.start():]
+  latest_files = [f]
+  if trace_name == 'correctness' or trace_name == 'perf-':
+    index = timestamp_and_data.find('-')
+    timestamp = timestamp_and_data[:index]
+    f = files.pop()
+    while f[match.start() : match.start() + index] == timestamp:
+      latest_files.append(f)
+      f = files.pop()
+  return latest_files
+
+def populate_stats_dict(test_runner_dict = None):
+  """Find the latest files in each directory, and process those latest files
+  using the appropriate TestRunner.
+
+  Args:
+    test_runner_dict: Optional agument storing previous data in runners to which
+    we should add our data."""
+  cur_runner_dict = dict()
+  if test_runner_dict:
+    cur_runner_dict = test_runner_dict
+  for directory in DIRECTORIES:
+    test_runner = None
+    latest_files = find_latest_data_files(directory)
+    
+    if test_runner_dict:
+      test_runner = cur_runner_dict[directory]
+    else:
+      if directory == BROWSER_CORRECTNESS:
+        test_runner = BrowserCorrectnessTest('language', directory)
+      elif directory == BROWSER_PERF:
+        test_runner = BrowserPerformanceTest(directory)
+      elif directory == TIME_SIZE:
+        test_runner = CompileTimeAndSizeTest(directory)
+      elif directory == CL_PERF:
+        test_runner = CommandLinePerformanceTest(directory)
+      cur_runner_dict[directory] = test_runner
+    
+    for f in latest_files:
+      test_runner.process_file(f)
+  return cur_runner_dict
+
+def main():
+  test_runner_dict = populate_stats_dict()
+  f = open(PICKLE_FILENAME, 'w')
+  pickle.dump(test_runner_dict, f)
+  f.close()
+
+if __name__ == '__main__':
+  main()