Reland of Export library that generates an HTLM file with the scores organized in tables.

webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py

Index: webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py
diff --git a/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py b/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py
index d3d3a83a6fe47b6d7ac9174a75be4e13ad477193..dcfea944a7223977c08db754215a19926f7fdc0a 100755
--- a/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py
+++ b/webrtc/modules/audio_processing/test/py_quality_assessment/apm_quality_assessment_export.py
@@ -6,3 +6,154 @@
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
+
+"""Export the scores computed by the apm_quality_assessment.py script into an
+   HTML file.
+"""
+
+import argparse
+import collections
+import logging
+import glob
+import os
+import re
+import sys
+
+import quality_assessment.audioproc_wrapper as audioproc_wrapper
+import quality_assessment.data_access as data_access
+import quality_assessment.export as export
+
+# Regular expressions used to derive score descriptors from file paths.
+RE_CONFIG_NAME = re.compile(r'cfg-(.+)')
+RE_INPUT_NAME = re.compile(r'input-(.+)')
+RE_NOISE_NAME = re.compile(r'noise-(.+)')
+RE_SCORE_NAME = re.compile(r'score-(.+)\.txt')
+
+def _InstanceArgumentsParser():
+  parser = argparse.ArgumentParser(description=(
+      'Exports pre-computed APM module quality assessment results into HTML '
+      'tables.'))
+
+  parser.add_argument('-o', '--output_dir', required=True,
+                      help=('the same base path used with the '
+                            'apm_quality_assessment tool'))
+
+  parser.add_argument('-f', '--filename_suffix',
+                      help=('suffix of the exported file'))
+
+  parser.add_argument('-c', '--config_names', type=re.compile,
+                      help=('regular expression to filter the APM configuration'
+                            ' names'))
+
+  parser.add_argument('-i', '--input_names', type=re.compile,
+                      help=('regular expression to filter the probing signal '
+                            'names'))
+
+  parser.add_argument('-n', '--noise_generators', type=re.compile,
+                      help=('regular expression to filter the noise generator '
+                            'names'))
+
+  parser.add_argument('-e', '--eval_scores', type=re.compile,
+                      help=('regular expression to filter the evaluation score '
+                            'names'))
+
+  return parser
+
+
+def _GetScoreDescriptors(score_filepath):
+  """
+  Extract a score descriptors from the score file path.
+  """
+  config_name, input_name, noise_name, noise_params, score_name = (
+      score_filepath.split(os.sep)[-5:])
+  config_name = RE_CONFIG_NAME.match(config_name).groups(0)[0]
+  input_name = RE_INPUT_NAME.match(input_name).groups(0)[0]
+  noise_name = RE_NOISE_NAME.match(noise_name).groups(0)[0]
+  score_name = RE_SCORE_NAME.match(score_name).groups(0)[0]
+  return config_name, input_name, noise_name, noise_params, score_name
+
+
+def _ExcludeScore(config_name, input_name, noise_name, score_name, args):
+  """
+  Given a score descriptor, encoded in config_name, input_name, noise_name, and
+  score_name, use the corresponding regular expressions to determine if the
+  score should be excluded.
+  """
+  value_regexpr_pairs = [
+      (config_name, args.config_names),
+      (input_name, args.input_names),
+      (noise_name, args.noise_generators),
+      (score_name, args.eval_scores),
+  ]
+
+  # Score accepted if each value matches the corresponding regular expression.
+  for value, regexpr in value_regexpr_pairs:
+    if regexpr is None:
+      continue
+    if not regexpr.match(value):
+      return True
+
+  return False
+
+
+def _GetOutputFilename(filename_suffix):
+  """
+  Build the filename for the exported file.
+  """
+  if filename_suffix is None:
+    return 'results.html'
+  return 'results-{}.html'.format(filename_suffix)
+
+
+def main():
+  # Init.
+  logging.basicConfig(level=logging.DEBUG)  # TODO(alessio): INFO once debugged.
+  parser = _InstanceArgumentsParser()
+  nested_dict = lambda: collections.defaultdict(nested_dict)
+  scores = nested_dict()  # Organize the scores in a nested dictionary.
+
+  # Parse command line arguments.
+  args = parser.parse_args()
+
+  # Find score files in the output path.
+  src_path = os.path.join(
+      args.output_dir, 'cfg-*', 'input-*', 'noise-*', '*', 'score-*.txt')
+  logging.debug(src_path)
+  for score_filepath in glob.iglob(src_path):
+    # Extract score descriptors from the path.
+    config_name, input_name, noise_name, noise_params, score_name = (
+        _GetScoreDescriptors(score_filepath))
+
+    # Ignore the score if required.
+    if _ExcludeScore(config_name, input_name, noise_name, score_name, args):
+      logging.info('ignored score: %s %s %s %s',
+                   config_name, input_name, noise_name, score_name)
+      continue
+
+    # Get metadata.
+    score_path, _ = os.path.split(score_filepath)
+    audio_in_filepath, audio_ref_filepath = (
+        data_access.Metadata.load_audio_in_ref_paths(score_path))
+    audio_out_filepath = os.path.join(
+        score_path, audioproc_wrapper.AudioProcWrapper.OUTPUT_FILENAME)
+
+    # Add the score to the nested dictionary.
+    scores[score_name][config_name][input_name][noise_name][noise_params] = {
+        'score': data_access.ScoreFile.load(score_filepath),
+        'audio_in_filepath': audio_in_filepath,
+        'audio_out_filepath': audio_out_filepath,
+        'audio_ref_filepath': audio_ref_filepath,
+    }
+
+  # Export.
+  exporter = export.HtmlExport(
+      output_path=args.output_dir,
+      output_filename=_GetOutputFilename(args.filename_suffix))
+  output_filepath = exporter.export(scores)
+
+  logging.info('output file successfully written in %s', output_filepath)
+  sys.exit(0)
+
+
+if __name__ == '__main__':
+  main()