86ce46d4ff
Left to do: - Directory reorganization. BUG= TEST= Review URL: https://webrtc-codereview.appspot.com/384003 git-svn-id: http://webrtc.googlecode.com/svn/trunk@1605 4adac7df-926f-26a2-2b94-8c16560cd09d
122 lines
4.2 KiB
Python
Executable File
122 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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#-*- coding: utf-8 -*-
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# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""This script grabs and reports coverage information.
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It grabs coverage information from the latest Linux 32-bit build and
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pushes it to the coverage tracker, enabling us to track code coverage
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over time. This script is intended to run on the 32-bit Linux slave.
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This script requires an access.token file in the current directory, as
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generated by the request_oauth_permission.py script. It also expects a file
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customer.secret with a single line containing the customer secret. The
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customer secret is an OAuth concept and is received when one registers the
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application with the App Engine running the dashboard.
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The script assumes that all coverage data is stored under
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/home/<build bot user>/www.
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"""
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__author__ = 'phoglund@webrtc.org (Patrik Höglund)'
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import os
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import re
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import time
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import constants
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import dashboard_connection
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class FailedToParseCoverageHtml(Exception):
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pass
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class CouldNotFindCoverageDirectory(Exception):
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pass
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def _find_latest_32bit_debug_build(www_directory_contents, coverage_www_dir):
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"""Finds the latest 32-bit coverage directory in the directory listing.
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Coverage directories have the form Linux32bitDBG_<number>. There may be
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other directories in the list though, for instance for other build
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configurations.
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"""
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# This sort ensures we will encounter the directory with the highest number
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# first.
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www_directory_contents.sort(reverse=True)
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for entry in www_directory_contents:
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match = re.match('Linux32bitDBG_\d+', entry)
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if match is not None:
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return entry
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raise CouldNotFindCoverageDirectory('Error: Found no 32-bit '
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'debug build in directory %s.' %
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coverage_www_dir)
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def _grab_coverage_percentage(label, index_html_contents):
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"""Extracts coverage from a LCOV coverage report.
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Grabs coverage by assuming that the label in the coverage HTML report
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is close to the actual number and that the number is followed by a space
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and a percentage sign.
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"""
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match = re.search('<td[^>]*>' + label + '</td>.*?(\d+\.\d) %',
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index_html_contents, re.DOTALL)
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if match is None:
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raise FailedToParseCoverageHtml('Missing coverage at label "%s".' % label)
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try:
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return float(match.group(1))
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except ValueError:
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raise FailedToParseCoverageHtml('%s is not a float.' % match.group(1))
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def _report_coverage_to_dashboard(dashboard, now, line_coverage,
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function_coverage):
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parameters = {'date': '%d' % now,
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'line_coverage': '%f' % line_coverage,
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'function_coverage': '%f' % function_coverage
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}
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dashboard.send_post_request(constants.ADD_COVERAGE_DATA_URL, parameters)
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def _main():
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dashboard = dashboard_connection.DashboardConnection(constants.CONSUMER_KEY)
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dashboard.read_required_files(constants.CONSUMER_SECRET_FILE,
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constants.ACCESS_TOKEN_FILE)
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coverage_www_dir = os.path.join('/home', constants.BUILD_BOT_USER, 'www')
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www_dir_contents = os.listdir(coverage_www_dir)
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latest_build_directory = _find_latest_32bit_debug_build(www_dir_contents,
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coverage_www_dir)
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index_html_path = os.path.join(coverage_www_dir, latest_build_directory,
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'index.html')
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index_html_file = open(index_html_path)
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whole_file = index_html_file.read()
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line_coverage = _grab_coverage_percentage('Lines:', whole_file)
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function_coverage = _grab_coverage_percentage('Functions:', whole_file)
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now = int(time.time())
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_report_coverage_to_dashboard(dashboard, now, line_coverage,
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function_coverage)
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if __name__ == '__main__':
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_main()
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