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      1 #!/usr/bin/python
      2 #
      3 # Copyright (C) 2013 Google Inc. All rights reserved.
      4 #
      5 # Redistribution and use in source and binary forms, with or without
      6 # modification, are permitted provided that the following conditions are
      7 # met:
      8 #
      9 #     * Redistributions of source code must retain the above copyright
     10 # notice, this list of conditions and the following disclaimer.
     11 #     * Redistributions in binary form must reproduce the above
     12 # copyright notice, this list of conditions and the following disclaimer
     13 # in the documentation and/or other materials provided with the
     14 # distribution.
     15 #     * Neither the name of Google Inc. nor the names of its
     16 # contributors may be used to endorse or promote products derived from
     17 # this software without specific prior written permission.
     18 #
     19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 """Prints lists of bug numbers / tests whose bugs haven't been modified recently."""
     32 
     33 import datetime
     34 import json
     35 import optparse
     36 import re
     37 import sys
     38 import time
     39 import urllib2
     40 
     41 from webkitpy.common.system.filesystem import FileSystem
     42 from webkitpy.common.webkit_finder import WebKitFinder
     43 
     44 google_code_url = 'https://www.googleapis.com/projecthosting/v2/projects/chromium/issues/%s?key=AIzaSyDgCqT1Dt5AZWLHo4QJjyMHaCjhnFacGF0'
     45 crbug_prefix = 'crbug.com/'
     46 
     47 class StaleTestPrinter(object):
     48     def __init__(self, options):
     49         self._days = options.days
     50 
     51     def is_stale(self, bug_number):
     52         url = google_code_url % bug_number
     53         response = urllib2.urlopen(url)
     54         parsed = json.loads(response.read())
     55         last_updated = parsed['updated']
     56         parsed_time = datetime.datetime.strptime(last_updated.split(".")[0]+"UTC", "%Y-%m-%dT%H:%M:%S%Z")
     57         time_delta = datetime.datetime.now() - parsed_time
     58         return time_delta.days > 90
     59 
     60     def print_stale_tests(self):
     61         finder = WebKitFinder(FileSystem())
     62         path_to_expectations = finder.path_from_webkit_base('LayoutTests', 'TestExpectations')
     63         expectations = open(path_to_expectations)
     64 
     65         for line in expectations:
     66             comment_index = line.find("#")
     67             if comment_index == -1:
     68                 comment_index = len(line)
     69 
     70             remaining_string = re.sub(r"\s+", " ", line[:comment_index].strip())
     71             if len(remaining_string) == 0:
     72                 continue
     73 
     74             is_bug_stale = True
     75             parts = line.split(' ')
     76             for part in parts:
     77                 if part.startswith(crbug_prefix):
     78                     bug_number = part.split('/')[1]
     79                     try:
     80                         if not self.is_stale(bug_number):
     81                             is_bug_stale = False
     82                             break;
     83                     except urllib2.HTTPError as error:
     84                         if error.code == 404:
     85                             print '%s%s does not exist.' % (crbug_prefix, bug_number)
     86                         elif error.code == 403:
     87                             print '%s%s is not accessible. Not able to tell if it\'s stale.' % (crbug_prefix, bug_number)
     88                             is_bug_stale = False
     89                         else:
     90                             raise error
     91 
     92             if is_bug_stale:
     93                 print line.strip()
     94 
     95 def main(argv):
     96     option_parser = optparse.OptionParser()
     97     option_parser.add_option('--days', type='int', default=90, help='Number of days to consider a bug stale.'),
     98     options, args = option_parser.parse_args(argv)
     99 
    100     printer = StaleTestPrinter(options)
    101     printer.print_stale_tests()
    102     return 0
    103 
    104 if __name__ == '__main__':
    105     sys.exit(main(sys.argv[1:]))
    106