12 def _CommonChecks(input_api, output_api):  argument
15   results.extend(input_api.canned_checks.RunPylint(input_api, output_api,
36 def CheckChangeOnUpload(input_api, output_api):  argument
38   results.extend(_CommonChecks(input_api, output_api))
40       input_api.canned_checks.CheckGNFormatted(input_api, output_api))
44 def CheckChangeOnCommit(input_api, output_api):  argument
46   results.extend(_CommonChecks(input_api, output_api))
47   results.extend(input_api.canned_checks.CheckOwners(input_api, output_api))
48   results.extend(input_api.canned_checks.CheckChangeWasUploaded(
49       input_api, output_api))
50   results.extend(input_api.canned_checks.CheckChangeHasDescription(
51       input_api, output_api))