1 #!/usr/bin/env python 2 # 3 # Copyright (c) 2013 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 """Add all generated lint_result.xml files to suppressions.xml""" 8 9 10 import collections 11 import optparse 12 import os 13 import sys 14 from xml.dom import minidom 15 16 _BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..') 17 sys.path.append(_BUILD_ANDROID_DIR) 18 19 from pylib import constants 20 21 22 _THIS_FILE = os.path.abspath(__file__) 23 _CONFIG_PATH = os.path.join(os.path.dirname(_THIS_FILE), 'suppressions.xml') 24 _DOC = ( 25 '\nSTOP! It looks like you want to suppress some lint errors:\n' 26 '- Have you tried identifing the offending patch?\n' 27 ' Ask the author for a fix and/or revert the patch.\n' 28 '- It is preferred to add suppressions in the code instead of\n' 29 ' sweeping it under the rug here. See:\n\n' 30 ' http://developer.android.com/tools/debugging/improving-w-lint.html\n' 31 '\n' 32 'Still reading?\n' 33 '- You can edit this file manually to suppress an issue\n' 34 ' globally if it is not applicable to the project.\n' 35 '- You can also automatically add issues found so for in the\n' 36 ' build process by running:\n\n' 37 ' ' + os.path.relpath(_THIS_FILE, constants.DIR_SOURCE_ROOT) + '\n\n' 38 ' which will generate this file (Comments are not preserved).\n' 39 ' Note: PRODUCT_DIR will be substituted at run-time with actual\n' 40 ' directory path (e.g. out/Debug)\n' 41 ) 42 43 44 _Issue = collections.namedtuple('Issue', ['severity', 'paths']) 45 46 47 def _ParseConfigFile(config_path): 48 print 'Parsing %s' % config_path 49 issues_dict = {} 50 dom = minidom.parse(config_path) 51 for issue in dom.getElementsByTagName('issue'): 52 issue_id = issue.attributes['id'].value 53 severity = issue.getAttribute('severity') 54 paths = set( 55 [p.attributes['path'].value for p in 56 issue.getElementsByTagName('ignore')]) 57 issues_dict[issue_id] = _Issue(severity, paths) 58 return issues_dict 59 60 61 def _ParseAndMergeResultFile(result_path, issues_dict): 62 print 'Parsing and merging %s' % result_path 63 dom = minidom.parse(result_path) 64 for issue in dom.getElementsByTagName('issue'): 65 issue_id = issue.attributes['id'].value 66 severity = issue.attributes['severity'].value 67 path = issue.getElementsByTagName('location')[0].attributes['file'].value 68 if issue_id not in issues_dict: 69 issues_dict[issue_id] = _Issue(severity, set()) 70 issues_dict[issue_id].paths.add(path) 71 72 73 def _WriteConfigFile(config_path, issues_dict): 74 new_dom = minidom.getDOMImplementation().createDocument(None, 'lint', None) 75 top_element = new_dom.documentElement 76 top_element.appendChild(new_dom.createComment(_DOC)) 77 for issue_id in sorted(issues_dict.keys()): 78 severity = issues_dict[issue_id].severity 79 paths = issues_dict[issue_id].paths 80 issue = new_dom.createElement('issue') 81 issue.attributes['id'] = issue_id 82 if severity: 83 issue.attributes['severity'] = severity 84 if severity == 'ignore': 85 print 'Warning: [%s] is suppressed globally.' % issue_id 86 else: 87 for path in sorted(paths): 88 ignore = new_dom.createElement('ignore') 89 ignore.attributes['path'] = path 90 issue.appendChild(ignore) 91 top_element.appendChild(issue) 92 93 with open(config_path, 'w') as f: 94 f.write(new_dom.toprettyxml(indent=' ', encoding='utf-8')) 95 print 'Updated %s' % config_path 96 97 98 def _Suppress(config_path, result_path): 99 issues_dict = _ParseConfigFile(config_path) 100 _ParseAndMergeResultFile(result_path, issues_dict) 101 _WriteConfigFile(config_path, issues_dict) 102 103 104 def main(argv): 105 parser = optparse.OptionParser(usage='%prog RESULT-FILE') 106 _, args = parser.parse_args() 107 108 if len(args) != 1 or not os.path.exists(args[0]): 109 parser.error('Must provide RESULT-FILE') 110 111 _Suppress(_CONFIG_PATH, args[0]) 112 113 114 if __name__ == '__main__': 115 main(sys.argv) 116
