| # Copyright 2020 The Tint Authors | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #     http://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 | """Presubmit script for Tint. | 
 | See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts | 
 | for more details about the presubmit API built into depot_tools. | 
 | """ | 
 |  | 
 |  | 
 | def _LicenseHeader(input_api): | 
 |     """Returns the license header regexp.""" | 
 |     # Accept any year number from 2019 to the current year | 
 |     current_year = int(input_api.time.strftime('%Y')) | 
 |     allowed_years = (str(s) for s in reversed(xrange(2019, current_year + 1))) | 
 |     years_re = '(' + '|'.join(allowed_years) + ')' | 
 |     license_header = ( | 
 |         r'.*? Copyright( \(c\))? %(year)s The Tint [Aa]uthors\n ' | 
 |         r'.*?\n' | 
 |         r'.*? Licensed under the Apache License, Version 2.0 (the "License");\n' | 
 |         r'.*? you may not use this file except in compliance with the License.\n' | 
 |         r'.*? You may obtain a copy of the License at\n' | 
 |         r'.*?\n' | 
 |         r'.*?     http://www.apache.org/licenses/LICENSE-2.0\n' | 
 |         r'.*?\n' | 
 |         r'.*? Unless required by applicable law or agreed to in writing, software\n' | 
 |         r'.*? distributed under the License is distributed on an "AS IS" BASIS,\n' | 
 |         r'.*? WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n' | 
 |         r'.*? See the License for the specific language governing permissions and\n' | 
 |         r'.*? limitations under the License.\n') % { | 
 |             'year': years_re, | 
 |         } | 
 |     return license_header | 
 |  | 
 |  | 
 | def CheckChange(input_api, output_api): | 
 |     results = [] | 
 |  | 
 |     results += input_api.canned_checks.CheckChangeHasDescription( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckPatchFormatted(input_api, | 
 |                                                            output_api, | 
 |                                                            check_python=True) | 
 |     results += input_api.canned_checks.CheckGNFormatted(input_api, output_api) | 
 |     results += input_api.canned_checks.CheckChangeHasNoCrAndHasOnlyOneEol( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckChangeHasNoTabs( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckChangeTodoHasOwner( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckChangeHasNoStrayWhitespace( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckDoNotSubmit(input_api, output_api) | 
 |     results += input_api.canned_checks.CheckChangeLintsClean( | 
 |         input_api, output_api) | 
 |     results += input_api.canned_checks.CheckGenderNeutral( | 
 |         input_api, output_api) | 
 |  | 
 |     return results | 
 |  | 
 |  | 
 | def CheckChangeOnUpload(input_api, output_api): | 
 |     return CheckChange(input_api, output_api) | 
 |  | 
 |  | 
 | def CheckChangeOnCommit(input_api, output_api): | 
 |     return CheckChange(input_api, output_api) |