PRESUBMIT.py

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import os
import sys

TOP_DIR = 'native_client'

def NaclTopDir():
  cwd = os.getcwd()
  pos = cwd.rfind(TOP_DIR)
  if pos < 0:
    print 'ERROR: expected to be called from with %s' % TOP_DIR
  return cwd[:pos + len(TOP_DIR)]


sys.path.append(os.path.join(NaclTopDir(), 'tools'))
import code_hygiene


def CheckEolStyle(input_api, output_api, affected_files):
  """Verifies the svn:eol-style is set to LF.
  Canned checks implementation can be found in depot_tools.
  """
  sources = lambda x: affected_files
  res = input_api.canned_checks.CheckChangeSvnEolStyle(
      input_api, output_api, sources)
  return res


def CheckChangeOnUpload(input_api, output_api):
  """Verifies all changes in all files.
  Args:
    input_api: the limited set of input modules allowed in presubmit.
    output_api: the limited set of output modules allowed in presubmit.
  """
  report = []
  affected_files = input_api.AffectedFiles(include_deletes=False)
  for filename in affected_files:
    filename = filename.AbsoluteLocalPath()
    errors, warnings = code_hygiene.CheckFile(filename, False)
    for e in errors:
      report.append(output_api.PresubmitError(e, items=errors[e]))
    for w in warnings:
      report.append(output_api.PresubmitPromptWarning(w, items=warnings[w]))
  report.extend(CheckEolStyle(input_api, output_api, affected_files))
  return report


def CheckChangeOnCommit(input_api, output_api):
  """Verifies all changes in all files and verifies that the
  tree is open and can accept a commit.
  Args:
    input_api: the limited set of input modules allowed in presubmit.
    output_api: the limited set of output modules allowed in presubmit.
  """
  report = []
  report.extend(CheckChangeOnUpload(input_api, output_api))
  report.extend(input_api.canned_checks.CheckTreeIsOpen(
      input_api, output_api,
      json_url='http://nativeclient-status.appspot.com/current?format=json'))
  return report